KR101009155B1 - Eco-friendly building finish material adhesive composition - Google Patents

Abstract

PURPOSE: An environment-friendly adhesive composition for building finish material is provided to ensure excellent deodorization, humidity control, electromagnetic wave shielding property, antibacterial effect, anion generation, oxidation prevention and air purification. CONSTITUTION: An environment-friendly adhesive composition for building finish material comprises 40-60 weight% of gel-type sodium silicate solution, 10-30 weight% of stone powder, 10-30 weight% of auxiliary mixing material consisting of a thickening agent, mortar adhesion enhancer, titanium dioxide, and calcium carbonate, and 3-4 weight% of charcoal powder. The stone powder is at least one selected from talc powder, feldspar, and kaolin clay.

Description

Eco-FRIENDLY BUILDING FINISH MATERIAL ADHESIVE COMPOSITION

The present invention relates to a composition for attaching an environmentally friendly building finish, and more specifically, a gel-type sodium silicate and stone powder as main materials, to improve adhesion by mixing a thickener and a small amount of mortar, and to improve the gloss by mixing titanium dioxide and calcium carbonate. Charcoal is added to remove harmful ingredients, deodorization, humidity control, electromagnetic shielding, antimicrobial effect, anion generation, far infrared emission, oxidation prevention and air purification, as well as attachment to building materials. The present invention relates to an environmentally friendly building finishing material attachment composition that can significantly increase performance and durability.

As is well known, the building finishing material refers to a building interior and exterior materials, and is a building material attached to the inner wall, the bottom surface, and the outer wall of a building such as tiles, floors, and stone panels to perform unique functions.

Such building finishing materials are attached to the inner wall, floor, and outer walls of the building, respectively, and perform additional functions such as appearance beauty, heat insulation, and waterproofing, and thus are essential building materials.

In this case, the method of attaching the building finishing material to the inner wall, the bottom surface, and the outer wall of the building is generally adhered by an adhesive for construction. Such an adhesive is widely used in various fields of daily life and industrial activities due to its convenience. Most solvents are volatile organics such as toluene and xylene, which are harmful to health. In particular, people have recently started paying attention to the health effects of the living environment through the sick house syndrome, and the development of eco-friendly adhesives in the adhesive industry is becoming more urgent as the "Indoor Air Quality Control Act" is enacted. The cause of sick house syndrome is largely known as volatile compounds (VOC) such as formaldehyde and organic solvents (toluene, xylene), and because it is known as a plasticizer, condensed adhesives containing formaldehyde, adhesives containing volatile organic compounds, and plasticizers. Active research and development to replace the vinyl acetate resin-containing adhesive containing a.

Volatile organic compounds in Korea are petrochemical products with organic vapor pressure higher than 10.3 kilopascals (or 1.5 psia), organic solvents, and other substances as hydrocarbons are announced by the Minister of Environment in consultation with the head of the relevant central administrative agency. Article 39 (1) of the Enforcement Decree, currently regulated substances include 37 petrochemicals, organic solvents and other substances such as volatile benzene, toluene and gasoline.

Separately, the Indoor Air Pollution Prevention Act was enacted and implemented. Indoor air pollution is caused by chemicals such as formaldehyde and organic solvents emitted from building materials and finishing materials during airtightening and thermal insulation of buildings, and headaches and respiratory diseases caused by Sikhaus are caused. Syndrome, a chemical hypersensitivity disease, causing a disease caused by indoor air pollution is a major social problem.

Since the 1970s, it has been known that formaldehyde released from some parts of furniture and houses made of plywood and boards using formaldehyde-based thermosetting resin adhesives such as urethane resins is harmful to the human body. Many experiments have been carried out on non-formalin-based wood adhesives, but such non-formalin-based resins include modified vinyl acetate emulsions such as catalytic curing, isobutene-maleic anhydride resins (α-olefins), or aqueous vinyl urethane adhesives. There is this. In this context, the newly developed aqueous vinyl urethane adhesives have been developed into adhesives of many wood and wood materials due to their properties and ease of use.

However, there has been a problem that emulsifiers, plasticizers, unreacted monomers and the like remain in the aqueous adhesive that does not contain formaldehyde or an organic solvent, and are still very harmful to the human body.

The present invention has been made in view of the above-described prior art, and has a gel-type sodium silicate and stone powder as main materials, improves adhesion by mixing a thickener and a small amount of mortar, and improves gloss by mixing titanium dioxide and calcium carbonate. Charcoal is added to remove harmful ingredients, deodorization, humidity control, electromagnetic shielding, antimicrobial effect, anion generation, far infrared emission, oxidation prevention and air purification, as well as attachment to building materials. Its purpose is to provide an environmentally friendly building finishing material attachment composition that can significantly increase performance and durability.

In order to achieve the above object, according to a preferred embodiment of the present invention 40 to 60% by weight of a sodium silicate solution of the gel type; 10 to 30 wt% of stone powder; Thickening agent, mortar adhesive strengthening agent (trade name: New Mole Green M-3000 of Ssang Bear Co., Ltd.), 10 to 30% by weight of auxiliary mixture consisting of titanium dioxide and calcium carbonate, 3 to 4% by weight of charcoal powder, the stone powder is talc powder ( Talc powder, Feldspar, Kaolin Clay, or any one or more of the auxiliary mixture is a thickener Xanthan gum 5 to 10% by weight, mortar adhesive strengthening agent (trade name: New Mole Green M of Double Bear Co., Ltd.) -3000) 30 to 50% by weight, titanium dioxide 2 to 4% by weight, calcium carbonate (Calcium cabonate) 20 to 40% by weight, applied to the interior and exterior walls or floors of the building in the dough state An environmentally friendly building finishing material attachment composition is provided.

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Eco-friendly building finishing material attachment composition according to the present invention is not only excellent in the removal of harmful components to the human body by the addition of charcoal, deodorization, humidity control, electromagnetic shielding, antibacterial effect, anion generation, oxidation prevention and air purification, as well as building finishing materials It can significantly increase the adhesion and durability, antifungal, radiate far infrared rays beneficial to the human body, and has the advantage of having a photocatalytic effect.

Hereinafter, the present invention will be described in detail.

Eco-friendly building finishing material attachment composition according to an embodiment of the present invention is a gel-type sodium silicate and stone powder as the main material, improve the adhesive strength by mixing a thickener and a small amount of mortar, and gives a gloss by mixing titanium dioxide and calcium carbonate Charcoal is added to remove harmful ingredients, deodorization, humidity control, electromagnetic shielding, antimicrobial effect, anion generation, far infrared emission, oxidation prevention and air purification, as well as adhesion to building materials. Compositions that are capable of significantly increasing durability.

In more detail, the environmentally friendly building finishing material attachment composition according to an embodiment of the present invention is used for attaching the interior stone or tile, flooring material, so strong against wet construction, including dry, but not moldy ability This is required, and various toxic substances, including VOC, are not generated, emit far infrared rays which are beneficial to the human body, and have a photocatalytic effect.

To this end, the environmentally friendly building finish material attachment composition according to an embodiment of the present invention is prepared by mixing a variety of materials, more specifically, the environmentally friendly building finish material attachment composition according to an embodiment of the present invention is a gel type sodium silicate solution 40 To 60 weight percent; 10 to 30 wt% of stone powder; Thickening agent, mortar adhesive strengthening agent (trade name: New Mole Green M-3000 of Double Bear Co., Ltd.), 10 to 30% by weight of an auxiliary mixture composed of titanium dioxide and calcium carbonate; 3 to 4% by weight of the charcoal powder is mixed and configured to be applied to the interior and exterior walls or floors of the building in the dough state.

At this time, the liquid sodium silicate is prepared by melting a mixture of silica sand (SiO 2) and soda ash (Na 2 O) at 1300-1500 ° C. and treating it in a high pressure steam cooker. The molar ratio of SiO2 / Na2O produced is 0.5 orthosilicate, molar ratio 1 is metasilicate, molar ratio 2 is disilicate, and the smaller the molar ratio, the faster the rate of dissolution in water. Faster.

Liquid sodium silicate absorbs carbon dioxide in the air and sodium carbonate is formed, causing efflorescence, and liquid sodium silicate is easily soluble in water, and thus has weak water resistance.

Therefore, in the present invention, liquid sodium silicate, which is weak in water resistance, is modified and used with a binder that is strong in water resistance. In particular, after spraying the mortar at room temperature and drying as it is, the water resistance should be solved, and the function of vermiculite mortar should be fully exhibited.

Liquid sodium silicate is a material made by melting a mixture of water, silica sand (SiO 2) and soda ash (Na 2 O). It is basic (pH 11-13), mostly composed of water, and is composed of polymerized silicate anion and hydrophilic sodium cation (Na +). In order to increase the water resistance, it is necessary to add an additive capable of improving the water resistance to make the gelation state to improve the water resistance.

The progress of gelation should induce thermal or chemical changes in the system by the water resistance additive so that the three-dimensional network structure can be cross-linked with the ions and liquids. The gel structure of the sodium silicate liquid can be prepared by inducing a small amount of water loss or by adding a polyvalent cation, or by adding an acid.

In the present invention, as an additive capable of improving the water resistance, stone powder is used. As the powder, one or more of talc powder, feldspar, kaolin clay is mixed, and liquid silicate It is important to use about 50 parts by weight based on 100 parts by weight, of which at least one substance is mixed thoroughly in a quantitative manner to form pozzolanic gelling.

At this time, if the amount of the additive which can improve the water resistance is out of the above range, a small amount may cause a problem of failing to reach the required water resistance on the product, and if the amount is excessive, the hardening state may be too fast and precipitation may occur. .

Natural curing is achieved by hardening the composition prepared by adding the stone powder, the liquid sodium silicate, and the water resistance improving additive by spraying the interior and exterior of the building, the object or wall to which the tile is to be applied, and the floor to which the floor is attached. In this state of natural curing, the water resistance characteristics should appear and bleaching phenomenon should not appear.

Charcoal in the mixture contained in the composition of the present invention is mixed with 3 to 5% by weight, the charcoal uses the charcoal, when the structure is carbonized, the porous body that the sap from the cells of the tree formed a myriad of pipe aggregates Micropore is the secret of the smell of charcoal. The porous body is open to the outside and inside so that the porous body is a source of odors floating in the air such as ammonia, carbon gas, nitrogen, carbon monoxide, methane, hydrogen and oxygen. Adsorption of compound molecules to remove harmful odors.

In addition, the charcoal can be provided indefinitely the anion that generates carbon as a carbon agglomerate, and if you enter the place where the charcoal is placed indoors, you can feel the air fresh, fresh and comfortable body. This is because char neutralizes cations and increases anions to create cool air. Far infrared rays emitted by charcoal are a kind of electromagnetic waves that are invisible to the eye. Unlike other electromagnetic waves, they are absorbed well by the human body and give a vibration at the molecular unit to generate heat energy, which makes the human body more warm and comfortable.

On the other hand, in order to increase the mutual adhesion of the mixture contained in the composition of the present invention, in order to pursue the beauty of gloss or color, Xanthan gum 5 to 10% by weight as a thickening agent, mortar adhesive strengthening agent (trade name) 30 to 50% by weight of the double bear Newmolgreen M-3000, 2 to 4% by weight of titanium dioxide, 20 to 40% by weight of calcium carbonate (Calcium cabonate) is included.

Xanthan gum is one of gums such as arabic gum, locust bean gum, guar gum, tamarind gum, and ghatti gum. It is a common thickener for increasing the viscosity.

At this time, the mortar adhesive reinforcing agent (trade name: New Mole Green M-3000 of Ssang Bear Co., Ltd.) is a brand name New Mole Green M-3000 sold by Ssang Bear Co., Ltd., and the main raw material is a mortar adhesive reinforcing agent made of ethylene resin series.
Titanium dioxide is a gel coating agent called titanium dioxide, and calcium carbonate (Calcium cabonate) is the same gel coating agent. Titanium dioxide or calcium carbonate (Calcium cabonate) is mixed to control the gloss and color, because the composition of the composition as well as the waterproofing agent after the construction of the composition performs a function for the gloss, waterproof.

Eco-friendly building finishing material attachment composition according to an embodiment of the present invention, due to the mixing and stirring of the mixture, to maintain a solid state of 70 to 75% for 30 minutes in a 15 ℃ environment, drying and curing at room temperature 24 It takes more than an hour.

The viscosity is on the order of 16,000 to 20,000 cps and expresses 1 hour housekeeping state and 3 hours temporary curing state.

In addition, the environmentally friendly building finishing material attachment composition according to an embodiment of the present invention is largely far-infrared radiation and photocatalyst function, cement toxic neutralization function, harmless and odorless material to the human body.

1.Methods for Measuring Total Volatile Organic Compounds of Eco-friendly Construction Finish Attachment

1) Test condition

1.1) temperature and relative humidity

Maintain temperature and relative humidity (25 ° C, 50%) in the emission test chamber. The emission test chamber is to be controlled within the following conditions.

Temperature: 25 ± 1.0 ℃ Relative Humidity: 50 ± 3%

[Remarks] Since the temperature and relative humidity in the test chamber and the temperature and relative humidity in the emission test chamber may be different, an initial change may be observed in the environment in the emission test chamber when the specimen is placed in the center of the emission test chamber. Record it.

1.2) Supply air quality and background concentration

The background concentration of the supply air should be low enough to not affect the release test. However, the TVOCs background concentration is 20 µg / m 3 or less, the single target VOC concentration is 2 µg / m 3 or less, and the formaldehyde is 5 µg / m 3 or less in principle. In addition, the water used for humidification should not contain VOCs and aldehydes which are likely to affect the concentration.

1.3) Airflow Speed

The airflow velocity over the specimen shall be in the range 0.1 to 0.3 m / s.

NOTE The air velocity can have a significant effect in the case of emissions from evaporation from liquid products. Thus, the air flow rate may vary depending on the base material.

1.4) Ventilation volume and frequency of ventilation per unit area

The emission test chamber concentration at steady state depends on the amount of ventilation per unit area selected as the factor (parameter) which set the emission test conditions.

Ⓑ The ventilation frequency should be controlled in principle (0.5 ± 0.015) times / hr.

2). Test Methods

2.1) Background concentration and Travel Blank concentration

Before starting a new release test, measure the background concentration of the empty release test chamber.

Ⓐ Ground concentration (Cb): Before the test piece is installed in the chamber, supply clean air with controlled temperature and humidity for more than 24 hours and collect and analyze VOCs and aldehydes using Tenax TA collection tube and DNPH cartridge, respectively. Check that it is less than the value specified in 6.2.

If the background concentration is above the value specified in 1.2, find the cause and lower the background concentration or use another chamber to conduct the test.

TVOC travel background concentration: The travel background concentration should be the same Tenax TA sampler as used for VOCs sampling. These tubes shall follow the same handling procedures as the sampler during the test, except that the actual sample is taken. Indicate the travel background collection tube, store it with the collection tube from which the actual sample is collected, and analyze it together with the actual sample collection tube. One travel basis value should be measured for each sampling group. And about 10% of the samples taken during many measurements should be for travel background.

Travel sample for aldehydes: One travel background value should be measured for each sampling group. In particular, it is necessary to check the contamination status of the emission test system, measurement station and laboratory. Record the background values suggested by the manufacturer of the used product.

2.2) Position of the specimen in the release test chamber

The specimen is placed in the center of the release test chamber so that air flows evenly over the discharge surface of the specimen.

Ⓐ Determination of specimens without fixing process: Hang the specimen in the center of the discharge test chamber.

Ⓑ Measure the specimen during the fixation process: Place the fixed frame in the center of the discharge test chamber.

2.3) Time to measure emission test chamber concentration.

After the start of the release test, the air is collected in accordance with 2.4 according to the preset time.

Ⓐ emission test

Accumulated air flow and leakage of air flowing through the discharge test chamber are checked, and the liquid flow is collected after 3 days and general material after 7 days at the start of the test.

NOTE If airtight data are needed, air collection may be taken 7, 14, 28 or more days from the start of the test.

Ⓑ Preservation of Specimen

In the case of long-term testing, the specimens shall be stored under appropriate conditions (temperature 25 ± 1 ° C, humidity 50 ± 3%) when removed from the release test chamber. Ensure that the specimens are in free contact with air and that they are not affected by other specimens. In principle, it should be re-installed in the release test chamber at least 24 hours before air is taken.

2.4) Air Collection

As a collecting tube, a Tenax-TA sampling tube is used for collecting VOCs, and DNPH Catridge is used for collecting aldehydes.

Tenax-TA sampler used for VOCs analysis is the one specified in 5.9. Before use, heat wash and heat-desorption / cold concentration-GC to check the background concentration. In principle, the background value of the collecting pipe should be specified together.

[Remarks] Unlike the travel basis, the background value of the sample collection tube is measured by thermal desorption / cold concentration-GC when it is newly purchased, manufactured or reused. Convert it and mark it on the history of the sample tube.

Ⓐ Background concentration measurement

After 24 hours of clean air injection, confirm that the temperature and relative humidity in the emission test chamber are normal, and then connect the collection tube and collect the sample for background concentration measurement in the Tenax-TA sampler. At this time, the sampling flow rate is collected 80% or less of the flow rate to the chamber. At this time, the collecting pipe to be used should measure the background value of the collecting pipe and use the one identified as below the predetermined level.

Ⓑ release strength measurement

After confirming that the background concentration is specified in 6.2, supply air is flowed out, and after the time specified in 11.3 ⓐ has elapsed, collect it in the same way as the background concentration measurement of 2.4 ⓐ.

[Remarks] When it is difficult to predict the concentration in the emission test chamber in advance, two collection tubes are used in series to cope with breakthrough.

The breakthrough of the collecting pipe is judged by the formula (1). If the obtained value is more than 95%, it can be judged that VOCs and aldehydes are collected only in the previous collecting tube and no breakthrough has occurred.

(C1 / (C1 + C2)) x 100? 95 (%). (One)

C1: Analytical Concentration of the Harvester

C2: Analytical Concentration in the Back Harvester

3). Analysis method

3.1) Thermal Desorption: Desorption time, temperature and desorption gas flow rate should be adjusted to achieve greater than 95% desorption efficiency of octadecane. Typical desorption conditions for TVOC analysis using a cold concentration trap and a sample tube filled with Tenax TA are as follows.

(example)

Desorption Temperature 260 ℃ ~ 280 ℃

Desorption time 5 min ~ 15 min

Desorption gas flow rate 30 mL / min to 50 mL / min

Concentration Trap Concentration Temperature-Below 30 ℃

Condensate Trap Desorption Temperature 280 ℃

Feed tube temperature 220 ℃

Split ratio We recommend a 10: 1 product of the two-stage split ratio between the sampling tube and the enrichment trap, the enrichment trap, and the gas chromatograph inlet. If the concentration of the sample is expected to be high, the amount of sample injected into the gas chromatograph is controlled by increasing the split ratio between the concentration trap and the gas chromatograph analysis column.

Remarks VVOC, which has high volatility, can break through the cooling trap under the conditions exemplified, so that quantitative analysis is difficult.

3.2) temperature program

If the mixture to be analyzed shows a large difference in boiling point and polarity, temperature programming of the analytical column is necessary to obtain good resolution in minimum time. Adjust the temperature of the programming well so that n-C16 elutes before column bridging begins and the baseline rises.

3.3) Analysis of VOCs

VOCs samples should be analyzed within 4 weeks of sampling. The travel blank sample and a suitable standard solution are analyzed subsequently to the sample. Individual VOCs are identified by MS and TVOCs are quantified by FID or MS chromatogram.

3.4). Identification of Individual VOCs

When identifying individual non-target VOCs, the samples are analyzed using MS operating in scan mode. Individual VOCs are detected in the sample using mass spectrometry total ion chromatograms and retention times of compounds. Total ion chromatograms are compared to mass spectra or commercial mass spectral libraries of pure compounds. User-generated libraries are also available. Consistent with the retention time of the calibration compound in a single column should not be considered evidence of identification.

In particular, identify as many as 10 peaks with high response and other compounds with concentrations above 2 μg / m³.

Select Ion Monitoring mode is only used to analyze specific VOCs.

3.5) Analysis of Aldehydes

The carboxyl compound DNPH receptor in the DNPH Cartridge is dissolved and eluted using acetonitrile. The eluted solution is quantified using high performance liquid chromatography (HPLC) (ISO 16000-3).

4). Calculation of emission intensity and presentation of results

Emission intensity EFa is given by Equation (2) at the time t after the test piece is placed in the emission test chamber. The emission test chamber concentration, Ct, represents the concentration of the target VOCs, aldehydes, or TVOCs at time t.

EF a = [(C t -C tb, t) × Q] / A = [(C t -C tb, t) × nV] / A = (C t -C tb, t) × q = (C t -C tb, t) x n / L. (2)

5). Test report

Record the following in the test report.

a) test laboratory

-Name and location of test institute

-Name of person in charge of examination

b) types of products

-Type of product (trade name if available)

-Sample selection and collection method

-History and history of the test product (manufacturing date, batch number, date of arrival of the test laboratory, the date and time taken from the package and the date prepared by the test piece)

c) results

-Record the VOCs, aldehydes and TVOC emission intensity at the sampling time.

Ten of the detected VOCs with large peak response are qualitative, quantified as individual substances, or reported as toluene equivalents.

The major peaks of the analysis of the blank sample are also shown and reported in toluene equivalents.

d) attachment of analysis data;

-Chromatogram to check the retention time of n-C6 and n-C16, chromatogram of background concentration, travel background concentration, data to confirm peak area and peak area of the sample, and 10 materials with high peak response Attach the necessary data to ensure objectivity of the test, such as MS spectrum, library identification, and calibration curve.

e) test conditions

-Conditions of the emission test chamber (temperature, relative humidity, ventilation recovery, air flow rate)

-Area of specimen and sample load rate

-Information on the air collection of the target VOCs and aldehydes (e.g. the collection pipe used, the air collection amount, the elapsed time and the number of times from the air collection chamber to the air collection)

f) measuring instruments

-Information on the equipment and methods used (emission test chamber, fixing method, fixing frame, air purifier, temperature and humidity measuring equipment, total flow meter, oven, air collection equipment, analysis equipment, etc.)

g) additions

For products containing adhesives, the following should also be added.

-Number of test pieces

mass per m2

- thickness

-Other circumstances that may affect the results of the test, eg drying conditions, time-lapse, storage, moisture content, surface finish, etc.

-Types of adhesives (raw materials and nonvolatile components)

-Amount of adhesive

-How to apply adhesive

-Time to apply adhesive and surface area

-Type of ground material

Item Type

Save
stability

Ease of kneading termination confirmation

Adhesive strength (N / ㎠)

Heat resistance

Slip resistance
Eco-friendly (mg / ㎡.h)

Standard

Dry / Underwater
Heat aging
Low temperature
Hardening

Alkali water
TVOC
Formaldehyde
standard

A
Applicable
none

1.5
More than
0.8
More than
0.8
More than
0.8
More than
0.8
More than
B
C
0.25
under
0.08
under
Invention

More than
none

Applicable
none
2.0
1.4
1.3
1.2
1.1
More than
none
More than
none
Trace
Trace
Comparative Example 1
Comparative Example 2

More than
none
Applicable
none
1.9
1.8
1.2
1.3
1.1
1.4
0.9
1.0
0.7
0.8
More than
none
More than
none
2.45
3.6
1.32
2.72

A: No significant change in viscosity volume.

B: It should be stable with a weight of 4.5kg at 24 ° C for 24 hours.

C: There should be no mess.

Note: Trace refers to the case where the measured value is less than 0.02.

The adhesives tested in this comparative example were 20-30% acrylic emulsion, 0.05-0.1% dispersant, 0.05-0.1% preservative, 4-6% thickener, 40-55% filler, 20-30% dilution The composition of the solvent, in the case of other companies (comparative example), the content of TVOC / formaldehyde content of the general building adhesives prescribed by the Korea Air Cleaning Association (TVOC: 1.5 ~ 5.0 / formaldehyde: 0.4 ~ 2.0 General Ⅱ) can be confirmed, and the environmentally friendly building finishing material attachment composition of the present invention can be seen that appeared to be suitable for the highest grade.

On the other hand, environmentally friendly building finishing material attachment composition according to an embodiment of the present invention is not limited only to the above embodiment is possible various modifications within the scope not departing from the technical gist.

Claims (3)

40 to 60 wt% of a gel type sodium silicate solution; 10 to 30 wt% of stone powder; Thickening agent, mortar adhesive strengthening agent (trade name: New Mole Green M-3000 of Ssang Bear Co., Ltd.), 10 to 30% by weight of auxiliary mixture consisting of titanium dioxide and calcium carbonate, 3 to 4% by weight of charcoal powder, the stone powder is talc powder ( Talc powder, Feldspar, Kaolin Clay, or any one or more of the auxiliary mixture is a thickener Xanthan gum 5 to 10% by weight, mortar adhesive strengthening agent (trade name: New Mole Green M of Double Bear Co., Ltd.) -3000) 30 to 50% by weight, titanium dioxide 2 to 4% by weight, calcium carbonate (Calcium cabonate) 20 to 40% by weight, applied to the interior and exterior walls or floors of the building in the dough state Eco-friendly building finish material attachment composition, characterized in that.
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