CN101857410A - Single-component inorganic heat-insulating mortar and preparation method thereof - Google Patents

Single-component inorganic heat-insulating mortar and preparation method thereof Download PDF

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Publication number
CN101857410A
CN101857410A CN201010194973A CN201010194973A CN101857410A CN 101857410 A CN101857410 A CN 101857410A CN 201010194973 A CN201010194973 A CN 201010194973A CN 201010194973 A CN201010194973 A CN 201010194973A CN 101857410 A CN101857410 A CN 101857410A
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CN
China
Prior art keywords
inorganic heat
mortar
component
parts
insulating mortar
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Pending
Application number
CN201010194973A
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Chinese (zh)
Inventor
魏泽胜
汪益农
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WUHAN WILBUR TECHNOLOGY DEVELOPMENT Co Ltd
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WUHAN WILBUR TECHNOLOGY DEVELOPMENT Co Ltd
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Priority to CN201010194973A priority Critical patent/CN101857410A/en
Publication of CN101857410A publication Critical patent/CN101857410A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/04Portland cements
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B40/00Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • C04B40/06Inhibiting the setting, e.g. mortars of the deferred action type containing water in breakable containers ; Inhibiting the action of active ingredients
    • C04B40/0608Dry ready-made mixtures, e.g. mortars at which only water or a water solution has to be added before use
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20Resistance against chemical, physical or biological attack
    • C04B2111/28Fire resistance, i.e. materials resistant to accidental fires or high temperatures
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

The invention relates to single-component inorganic heat-insulating mortar which is prepared from the following components in parts by weight: 400-500 parts of cement, 400-450 parts of expanded closed cell perlite, 100-200 parts of fly ash, 5-10 parts of redispersible emulsion powder, 10-30 parts of sepiolite fiber, 2-3 parts of cellulose ether, 10-20 parts of gypsum and 1000-1200 parts of water. The inorganic heat-insulating mortar has low heat conduction coefficient, good thermal insulation performance, high compressive strength and bonding strength, excellent mechanical performance, good construction workability, simple operation and high construction efficiency; and single-component production is carried out by adopting the process of the invention, the quality is easy to control, and the invention is beneficial to on-site civilized construction.

Description

Single-component inorganic heat-insulating mortar and preparation method thereof
Technical field
The invention belongs to material of construction and technical field of chemistry, relate to a kind of thermal insulation mortar for building and preparation method thereof, more particularly it is a kind of single-component inorganic heat-insulating mortar.The invention still further relates to the preparation method of this single-component inorganic heat-insulating mortar.
Background technology
Thermal insulation mortar is important energy-saving building materials.At present, heat preservation mortar for outer wall is various in style.Wherein, thermal insulation mortar adopts the organism granular polystyrene to process greatly, though the adhesive polystyrene granule heat-insulating mortar that is processed by granular polystyrene has advantages such as heat insulation property is good, but have many problems: 1, construction workability is poor, poor with the inorganic materials consistency, the operability of construction process quality control is bad, causes the quality control difficulty big; 2, granular polystyrene unit weight is light, exists cohesive strength low low with ultimate compression strength in the practice of construction, and mechanical property is difficult for the problem of assurance; 3, granular polystyrene is an organism, and fire-protection rating is low, and fire resistance is poor, and high temperature easily produces obnoxious flavour; 4, adhesive polystyrene granule heat-insulating mortar can not be recycled, and easily causes white pollution.
Some thermal insulation mortar is the conventional expanded perlite heat-insulating mortar, the conventional expanded perlite is a kind of profile irregular, there are many holes, crack, the uneven and surperficial granulated material that does not link up mutually in the surface, water-intake rate was up to more than 500% in 2 hours, the big and poor water resistance of thermal insulation mortar water-intake rate by the preparation of conventional expanded perlite, can cause the thermal insulation mortar shrinkage strain big, easy to crack, with the low problem of basic unit's cohesive strength.Be prone to layering, segregation, excreting water phenomenon in the construction process simultaneously, workability is poor, the technical feature of the thermal insulation mortar after the influence sclerosis.
Traditional two-pack way is that heat-insulating rubber powder and light-weight aggregate are transported to the working-yard respectively, stirs into thermal insulation mortar through mixing and water adding, the complexity that feeds intake, and the mixing churning time is long, causes the thermal insulation mortar quality to be difficult for guaranteeing.It is low to mix stirring efficiency, and easily produces light-weight aggregate pollution working-yard, unfavorable civilized construction.
Summary of the invention
First purpose of the present invention provides a kind of single-component inorganic heat-insulating mortar.This mortar is gelling material with the ordinary Portland cement, with the novel expansion closed perlite of grating is light-weight aggregate, have characteristics such as thermal conductivity is low, shrinkability is low, intensity is high, workability is good, solved effectively that the inorganic heat insulation mortar water-intake rate is big, easy to crack, mixed technical problems such as inequality, the easy fragmentation of inorganic light-weight aggregate in insulation failure and the preparation process.
Second purpose of the present invention provides the preparation method of this single-component inorganic heat-insulating mortar.
The objective of the invention is to reach: single-component inorganic heat-insulating mortar by following measure, it is characterized in that it is made by following component, consumption is a weight part, and described component comprises cement 400-500 part, expansion closed perlite 400-450 part, flyash 100-200 part, redispersable latex powder 5-10 part, sepiolite fibre 10-30 part, ether of cellulose 2-3 part, gypsum 10-20 part, water 1000-1200 part.
In technique scheme, described cement is that strength grade is 42.5 ordinary Portland cement; Described flyash is I level or II level flyash; Described sepiolite fibre is I level or II level 2-8mm Changhai afrodite fiber.
In technique scheme, described gypsum is one or more in half water desulfurated plaster, half water phosphogypsum, the half water plaster of Paris;
In technique scheme, described expansion closed perlite is that unit weight is 110-120kg/m 3, the order number is 30-50 order and 50-70 order weight by 2: 1 grating expansion closed perlite.
In technique scheme, described redispersable latex powder is an ethene-vinyl acetate copoly type redispersable latex powder; Ether of cellulose is that viscosity is 15-20 ten thousand hydroxypropyl methyl cellulose ethers.
The preparation method of single-component inorganic heat-insulating mortar, it is characterized in that it comprises the steps: at first with cement, flyash, sepiolite fibre, gypsum, redispersable latex powder and ether of cellulose require respectively to drop in the agravic stirrer by weight, stir main shaft and press 50 rev/mins of stirrings of normal speed, start 1440 rev/mins of high speed fly cuttves, stir and stop the high speed fly cutter after 6 minutes, and the rotating speed to 30 that reduce to stir main shaft rev/min drops into the grating expansion closed perlite that measures again, continues to stir and can discharging adopt uncovered wrapping machine to be packaged into inorganic heat insulation mortar dry powder by norm in 2 minutes; Adopt horizontal mortar mixer when the working-yard prepares heat preservation slurry, earlier the 50-60 kg of water is added in the stirrer, 50 kilograms of inorganic heat insulation mortar dry powder are dropped into stirrer at a slow speed again and carry out 10 rev/mins of stirrings 4 minutes, reaching denseness is that 90-110mm can use.
The various composition material synergies of single-component inorganic heat-insulating mortar need not added any material at the construction field (site) except that construction water.
Wherein the effect of each component is as follows: cement is as the main gelling material in the inorganic heat insulation mortar, for the intensity decisive role of thermal insulation mortar; Flyash replaces part cement, improves application property, reduces and shrinks, and improves thermal and insulating performance; Gypsum can excited cement and the activity of flyash, and can with the SiO of solubility in the closed perlite 2, Al 2O 3The effect of isoreactivity component forms more hydrated products, improves intensity.Sepiolite fibre can obviously improve inorganic heat insulation mortar bleeding, segregation phenomenon, increases intensity, improves splitting resistance, and helps gelling material and light-weight aggregate homodisperse.
The dispersibility latex powder is the organic gel gel material, has good film-forming properties and snappiness, can obviously improve inorganic heat insulation mortar serviceability, physical and mechanical property and resistance to cleavage.
Ether of cellulose is a kind of powdered multifunction additive, in inorganic heat insulation mortar, mainly play water conservation, bleed effect, it can keep the moisture of inorganic heat insulation mortar, and has certain delayed coagulation, makes thermal insulation mortar have enough open hour to make things convenient for site operation.Its bleed effect makes inorganic heat insulation mortar have denseness preferably, has improved the workability of mortar, makes mortar full and lubricious.
Novel pearlstone (commercially available) adopts electric furnace to form through 1200 ℃ of high temperature puffings, and be microspheroidal product surface is dissolved, the pore sealing, the inner honeycomb structure that keeps is constant.Not only improve intensity, reduced water-intake rate, and optimized performances (as Fig. 2, shown in Figure 3) such as its tap density and thermal conductivity.Heat insulating inorganic mortar by novel pearlstone preparation has the advantages that thermal and insulating performance is good, over-all properties is excellent.Novel expansion closed perlite is main skeleton function and the function of heat insulation of rising in inorganic heat insulation mortar; Not only intensity is higher relatively to handle the novel expansion closed perlite that obtains by high-temperature technology, and water-intake rate is lower, and performances such as tap density and thermal conductivity are all obviously optimized.
The present invention is mixed into single-component product with various components in factory, adopt the production and the management of batch production, have steady quality, cost is low, material use efficiency is high, constructing operation is easy, avoid mixing at the construction field (site) and cause advantages such as environmental pollution, has guaranteed the final quality of product.After testing, single-component inorganic heat-insulating mortar of the present invention meets GB/T20473-2006 " building heat-insulating mortar " standard fully, factory's factory inspection and building-site are rechecked data and are all shown, the single component heat insulating inorganic mortar is better than common two-pack thermal insulation mortar in thermal-insulation energy-conservation effect and construction quality aspects, is convenient to large-scale promotion application.
Single-component inorganic heat-insulating mortar technical indicator of the present invention and test result such as following table:
As can be seen from the table, the every index of the present invention is good, meets GB/T20473-2006 " building heat-insulating mortar " standard fully, and the thermal conductivity of inorganic heat insulation mortar of the present invention is low, and thermal and insulating performance is good, ultimate compression strength and cohesive strength height, and mechanical property is excellent; Construction workability is good, and is simple to operate, the operating efficiency height; Adopt technology of the present invention to carry out single-component production, quality is controlled easily, favourable on-the-spot civilized construction.
Description of drawings
Fig. 1 is a preparation method's of the present invention schema.
Fig. 2 is the electromicroscopic photograph of novel expansion closed perlite particle form.
Fig. 3 is the electromicroscopic photograph of novel expansion closed perlite granule interior polynuclear plane.
Embodiment
Describe performance of the present invention in detail below by embodiment, but they do not constitute limitation of the invention, only do for example.Simultaneously by illustrating that advantage of the present invention will become clear more and understanding easily.
Embodiment 1
Single-component inorganic heat-insulating mortar, its feed composition and weight content are as follows: cement 400, flyash 200, sepiolite fibre 30, gypsum 10, expansion closed perlite 400, redispersable latex powder 10, ether of cellulose 2,1000 parts in water.
The method for preparing single-component inorganic heat-insulating mortar, it comprises the steps: at first cement, flyash, sepiolite fibre, gypsum, redispersable latex powder and ether of cellulose to be required respectively to drop in the agravic stirrer by weight, stir main shaft and press 50 rev/mins of stirrings of normal speed, start 1440 rev/mins of high speed fly cuttves, stir and stop the high speed fly cutter after 6 minutes, and the rotating speed to 30 that reduce to stir main shaft rev/min drops into the grating expansion closed perlite that measures again, continues to stir and can discharging adopt uncovered wrapping machine to be packaged into inorganic heat insulation mortar dry powder by norm in 2 minutes; Adopt horizontal mortar mixer when the working-yard prepares heat preservation slurry, earlier water is added in the stirrer, inorganic heat insulation mortar dry powder is dropped into stirrer at a slow speed again and carry out 10 rev/mins of stirrings 4 minutes, reaching denseness is that 90-110mm can use (as shown in Figure 1).
Embodiment 2
Single-component inorganic heat-insulating mortar, its feed composition and weight content are as follows: cement 450, flyash 150, sepiolite fibre 20, gypsum 15, expansion closed perlite 420, redispersable latex powder 8, ether of cellulose 2,1100 parts in water.
The preparation method is with embodiment 1.
Embodiment 3
Single-component inorganic heat-insulating mortar, its feed composition and weight content are as follows: cement 500, flyash 100, sepiolite fibre 10, gypsum 20, expansion closed perlite 450, redispersable latex powder 5, ether of cellulose 3,1200 parts in water.
The preparation method is with embodiment 1.

Claims (6)

1. single-component inorganic heat-insulating mortar, it is characterized in that it is made by following component, consumption is a weight part, and described component comprises cement 400-500 part, expansion closed perlite 400-450 part, flyash 100-200 part, redispersable latex powder 5-10 part, sepiolite fibre 10-30 part, ether of cellulose 2-3 part, gypsum 10-20 part, water 1000-1200 part.
2. single-component inorganic heat-insulating mortar according to claim 1 is characterized in that described cement is that strength grade is 42.5 ordinary Portland cement; Described flyash is I level or II level flyash; Described sepiolite fibre is I level or II level 2-8mm Changhai afrodite fiber.
3. single-component inorganic heat-insulating mortar according to claim 1 is characterized in that described gypsum is one or more in half water desulfurated plaster, half water phosphogypsum, the half water plaster of Paris;
4. single-component inorganic heat-insulating mortar according to claim 1 is characterized in that described expansion closed perlite is that unit weight is 110-120kg/m 3, the order number is 30-50 order and 50-70 order weight by 2: 1 grating expansion closed perlite.
5. single-component inorganic heat-insulating mortar according to claim 1 is characterized in that described redispersable latex powder is an ethene-vinyl acetate copoly type redispersable latex powder; Ether of cellulose is that viscosity is 15-20 ten thousand hydroxypropyl methyl cellulose ethers.
6. prepare the method that aforesaid right requires the described single-component inorganic heat-insulating mortar of arbitrary claim among the 1-5, it is characterized in that it comprises the steps: at first with cement, flyash, sepiolite fibre, gypsum, redispersable latex powder and ether of cellulose require respectively to drop in the agravic stirrer by weight, stir main shaft and press 50 rev/mins of stirrings of normal speed, start 1440 rev/mins of high speed fly cuttves, stir and stop the high speed fly cutter after 6 minutes, and the rotating speed to 30 that reduce to stir main shaft rev/min drops into the grating expansion closed perlite that measures again, continues to stir and can discharging adopt uncovered wrapping machine to be packaged into inorganic heat insulation mortar dry powder by norm in 2 minutes; Adopt horizontal mortar mixer when the working-yard prepares heat preservation slurry, earlier the 50-60 kg of water is added in the stirrer, 50 kilograms of inorganic heat insulation mortar dry powder are dropped into stirrer at a slow speed again and carry out 10 rev/mins of stirrings 4 minutes, reaching denseness is that 90-110mm can use.
CN201010194973A 2010-06-01 2010-06-01 Single-component inorganic heat-insulating mortar and preparation method thereof Pending CN101857410A (en)

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102010166A (en) * 2010-11-18 2011-04-13 重庆思贝肯节能技术开发有限公司 Method for preparing micro expanded inorganic heat insulation mortar
CN102303964A (en) * 2011-06-16 2012-01-04 公安部四川消防研究所 Novel nonflammable fireproof composite thermal-insulation material
CN102372476A (en) * 2011-08-09 2012-03-14 大连铭源全建材有限公司 Inorganic thermal insulation light mortar and construction method thereof
CN102515671A (en) * 2011-12-31 2012-06-27 戴武生 Waterproof, fireproof and heat-insulating reinforced composite form and preparation method thereof
CN102649635A (en) * 2012-03-08 2012-08-29 南通岩艺涂装科技有限公司 Inorganic thermal insulation mortar powder and preparation method thereof
CN102674882A (en) * 2012-06-01 2012-09-19 白国全 Self-temperature-control phase change heat storage energy-saving material
CN103242020A (en) * 2013-05-30 2013-08-14 长沙归一建材科技有限公司 Gypsum-cement machine-spraying dry powder mortar and construction method thereof
CN103755290A (en) * 2013-12-20 2014-04-30 安徽省美域节能环保技术应用有限公司 Cement mortar with anti-cracking performance and preparation method thereof
CN103755245A (en) * 2013-12-20 2014-04-30 安徽省美域节能环保技术应用有限公司 Composite cement mortar and preparation method thereof
EP2910535A1 (en) * 2014-02-24 2015-08-26 Shahal Building Materials Ltd. A composition and method of using expanded perlite
CN103739264B (en) * 2014-01-02 2015-12-30 同济大学 A kind of hydrophobic type desulfurized gypsum base EPS thermal insulation mortar
CN105669155A (en) * 2016-01-21 2016-06-15 胥超 Water-mixed lightweight prefabricated mortar
CN105731970A (en) * 2016-03-09 2016-07-06 佛山市恒学科技服务有限公司 Plastering mortar special for lightweight heat-insulating wall
CN106380136A (en) * 2016-08-25 2017-02-08 江西省建筑材料工业科学研究设计院 Mortar special for autoclaved aerated concrete blocks
CN107827412A (en) * 2017-10-31 2018-03-23 常州市尚泽纺织品有限公司 A kind of preparation method of high-intensity anti-cracking filleting mortar
AU2019204874B1 (en) * 2019-07-08 2020-02-06 Shahal Building Materials Ltd A light weight adhesive composition

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1313260A (en) * 2001-04-02 2001-09-19 童忠良 Energy-saving, imperious, water-proof and insulating mortar for building
CN101549978A (en) * 2009-05-13 2009-10-07 同济大学 Sepiolite fiber modified vitrification bead thermal insulation mortar

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1313260A (en) * 2001-04-02 2001-09-19 童忠良 Energy-saving, imperious, water-proof and insulating mortar for building
CN101549978A (en) * 2009-05-13 2009-10-07 同济大学 Sepiolite fiber modified vitrification bead thermal insulation mortar

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102010166A (en) * 2010-11-18 2011-04-13 重庆思贝肯节能技术开发有限公司 Method for preparing micro expanded inorganic heat insulation mortar
CN102010166B (en) * 2010-11-18 2012-10-03 重庆思贝肯节能技术开发有限公司 Method for preparing micro expanded inorganic heat insulation mortar
CN102303964A (en) * 2011-06-16 2012-01-04 公安部四川消防研究所 Novel nonflammable fireproof composite thermal-insulation material
CN102372476A (en) * 2011-08-09 2012-03-14 大连铭源全建材有限公司 Inorganic thermal insulation light mortar and construction method thereof
CN102515671A (en) * 2011-12-31 2012-06-27 戴武生 Waterproof, fireproof and heat-insulating reinforced composite form and preparation method thereof
CN102515671B (en) * 2011-12-31 2013-01-16 戴武生 Waterproof, fireproof and heat-insulating reinforced composite form and preparation method thereof
CN102649635A (en) * 2012-03-08 2012-08-29 南通岩艺涂装科技有限公司 Inorganic thermal insulation mortar powder and preparation method thereof
CN102674882A (en) * 2012-06-01 2012-09-19 白国全 Self-temperature-control phase change heat storage energy-saving material
CN103242020B (en) * 2013-05-30 2015-12-23 长沙归一建材科技有限公司 A kind of gypsum-cement machine spray powder mortar and constructional method thereof
CN103242020A (en) * 2013-05-30 2013-08-14 长沙归一建材科技有限公司 Gypsum-cement machine-spraying dry powder mortar and construction method thereof
CN103755245A (en) * 2013-12-20 2014-04-30 安徽省美域节能环保技术应用有限公司 Composite cement mortar and preparation method thereof
CN103755290A (en) * 2013-12-20 2014-04-30 安徽省美域节能环保技术应用有限公司 Cement mortar with anti-cracking performance and preparation method thereof
CN103739264B (en) * 2014-01-02 2015-12-30 同济大学 A kind of hydrophobic type desulfurized gypsum base EPS thermal insulation mortar
EP3495336A1 (en) * 2014-02-24 2019-06-12 Shahal Building Materials Ltd. A composition and method of using perlite
US10399900B2 (en) 2014-02-24 2019-09-03 Shahal Building Materials Ltd. Composition and method of using perlite
EP2910535A1 (en) * 2014-02-24 2015-08-26 Shahal Building Materials Ltd. A composition and method of using expanded perlite
CN105669155A (en) * 2016-01-21 2016-06-15 胥超 Water-mixed lightweight prefabricated mortar
CN105731970A (en) * 2016-03-09 2016-07-06 佛山市恒学科技服务有限公司 Plastering mortar special for lightweight heat-insulating wall
CN106380136A (en) * 2016-08-25 2017-02-08 江西省建筑材料工业科学研究设计院 Mortar special for autoclaved aerated concrete blocks
CN106380136B (en) * 2016-08-25 2017-10-27 江西省建筑材料工业科学研究设计院 Autoclave aerated concrete building block dedicated mortar
CN107827412A (en) * 2017-10-31 2018-03-23 常州市尚泽纺织品有限公司 A kind of preparation method of high-intensity anti-cracking filleting mortar
AU2019204874B1 (en) * 2019-07-08 2020-02-06 Shahal Building Materials Ltd A light weight adhesive composition

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Application publication date: 20101013