CN111689730B - Stone-like brick and coating construction method thereof - Google Patents
Stone-like brick and coating construction method thereof Download PDFInfo
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- CN111689730B CN111689730B CN202010436155.5A CN202010436155A CN111689730B CN 111689730 B CN111689730 B CN 111689730B CN 202010436155 A CN202010436155 A CN 202010436155A CN 111689730 B CN111689730 B CN 111689730B
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions 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
- C04B28/04—Portland cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5022—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with vitreous materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
- C04B41/61—Coating or impregnation
- C04B41/65—Coating or impregnation with inorganic materials
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
- C04B2111/00508—Cement paints
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
The invention belongs to the technical field of wall decoration, and particularly relates to a stone-like brick and a coating construction method thereof, wherein the method comprises the steps of coating a raw material mixture on a wall surface to be decorated, curing, solidifying and drying the raw material mixture, and spraying a powder mixture consisting of large and small particle size inorganic fillers onto the surface of the powder mixture by adopting a supersonic flame spraying method to form a finish coat; the method provided by the invention has the advantages that the leveling operation of the vertical face of the wall body is not needed, the cutting of a single stone is also not needed to adapt to the edge of the vertical face of the irregular wall body, the powder mixture is sprayed on the surface of the wall body by adopting a supersonic flame spraying method, and under the action of high temperature, quartz sand in the raw material mixture and an inorganic filler generate ceramic reaction to form a ceramic sealing layer with viscosity and solidify the ceramic sealing layer on the surface to form a smooth finish coat; the invention realizes the integral construction effect of the stone-like brick on the vertical surface of the wall body, and is simple and convenient.
Description
Technical Field
The invention belongs to the technical field of wall decoration, and particularly relates to a stone-like brick and a coating construction method thereof.
Background
The decorative stone is stone which has processing performances of sawing, polishing and the like and is used as a facing material on the inner wall and the outer wall of a building, and the decorative stone comprises two categories of natural stone and artificial stone; the natural stone is a general term for a block or plate material which is mined from a natural rock mass and processed, and the natural stone for architectural decoration mainly includes granite and marble. For natural stone, because of long-term exposure to air, the surface of the natural stone is easily oxidized, and the natural stone with the oxidized surface can emit a certain amount of mercury elements into the air, which is harmful to human bodies.
In order to overcome the potential risk of natural stone in the subsequent use process, more and more people tend to use artificial stone, wherein the stone-like brick is a ceramic tile with stone smell, compared with the natural stone, the stone-like brick is pollution-free, the occurrence of color difference after use can be avoided to a great extent, and the stone-like brick has excellent strength due to glaze spraying treatment, so that the phenomena of cracking and the like can not occur after use. However, the existing stone-like bricks are only pollution-free in the subsequent use process relative to natural stone, the problems of dust, sewage and the like still exist in the factory processing and manufacturing process and need to be treated, and the factory customized stone-like bricks need to be adaptively cut aiming at different walls to be decorated, so that the problem of dust pollution is inevitably generated in the process, and the paving efficiency of the stone-like bricks is not high.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a coating construction method of a stone-like brick, which abandons the current operation modes of factory customized production, transportation, field cutting, splicing and paving, adopts a new field coating construction process, reduces the pollution problem in the field construction process, improves the overall paving efficiency of the stone-like brick, and the coated stone-like brick veneer has the advantages of good integrity and high compressive strength.
In order to achieve the purpose, the invention adopts the following technical scheme:
a coating construction method of a stone-like brick comprises smearing a raw material mixture on a wall surface to be decorated, maintaining, solidifying and drying, and spraying a powder mixture consisting of large and small particle size inorganic fillers onto the surface of the wall surface by a supersonic flame spraying method to form a finish coat;
wherein the raw material mixture comprises quartz sand, cement, a water reducing agent, low-melting-point glass powder and water.
Under the preferable condition, the inorganic filler is one or a mixture of more than one of kaolin powder, montmorillonite powder, alumyte powder, mica powder, feldspar powder, talcum powder, wollastonite powder and cordierite powder.
Under the preferable conditions, the average particle size of the large-particle size inorganic filler is 11 to 20 μm, and the particle size of the small-particle size inorganic filler is 1 to 10 μm.
Under the preferable conditions, the weight ratio of the large-particle-size inorganic filler to the small-particle-size inorganic filler is 1: 1.5-3.
Under the preferable condition, in the raw material mixture, the using amount of the cement is 25 to 35 parts by weight, the using amount of the water reducing agent is 0.01 to 0.02 part by weight, the using amount of the low-melting-point glass powder is 1 to 10 parts by weight, and the using amount of the water is 0.16 to 0.20 part by weight, based on 100 parts by weight of the total amount of the quartz sand.
Under the preferable condition, the water reducing agent is calcium lignosulphonate or sodium lignosulphonate.
Under the preferable conditions, the melting point of the low-melting-point glass powder is 390-780 ℃.
Under the preferred condition, the specific technological parameters of the supersonic flame spraying are as follows: the spraying distance is 350-370mm, the powder feeding rate is 50-60 g/min, the oxygen flow is 1700-1800L/h, the oxygen pressure is 120-130 psi, the kerosene flow is 5.2-5.5 gallon/h, and the kerosene pressure is 100-120 psi.
Preferably, the thickness of the veneer layer formed by spraying the raw material mixture layer by the supersonic flame spraying method is 300-.
Compared with the prior art, the coating construction method of the stone-like brick provided by the invention has the advantages that the elevation of the wall body does not need to be leveled, the single stone material does not need to be cut to adapt to the edge of the irregular elevation of the wall body, the raw material mixture can be mixed and used at the construction site, so that the thickness of the decorative layer can be conveniently adjusted according to the construction requirement, the powder mixture is sprayed on the surface of the decorative layer by adopting a supersonic flame spraying method after the bottom layer formed by coating is cured, solidified and dried, and under the action of high temperature, the quartz sand in the raw material mixture and the inorganic filler are subjected to ceramic reaction to form a ceramic sealing layer with viscosity and are solidified on the surface to form a smooth finish layer;
the coating construction method of the stone-like brick provided by the invention realizes the integral construction effect of the stone-like brick on the vertical surface of the wall body, and is simple and convenient.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further clarified with the specific embodiments.
All the starting materials in the present invention, the sources of which are not particularly limited, may be either commercially available or prepared according to conventional methods well known to those skilled in the art. All the raw materials used in the present invention are not particularly limited in purity, and the present invention preferably employs a purity which is conventional in the field of analytical purification or composite materials.
In the prior art, stone materials for realizing wall decoration, such as natural stone materials or artificial stone materials, are prefabricated in factories and then are transported to a site where a wall to be decorated is located in a logistics manner; and, in specific workman work progress, in order to avoid local binder quantity many or lead to the stone material bonding insecure, need make level to the wall body facade earlier, then utilize the adhesive to bond polylith stone material on the wall body facade, polylith stone material concatenation is mated formation in order to realize holistic decorative effect on the wall body facade, at this in-process, must relate to cutting of part stone material, can produce more dust pollution, and, monolithic stone material is one by one scribbles the adhesive and bonds fixedly to make level, and efficiency is lower. Aiming at the defects of natural stone bricks or stone-like bricks in the prior art and the defects in the construction process, the invention provides a coating construction method of stone-like bricks, which comprises the steps of coating a raw material mixture on the wall surface to be decorated, curing, solidifying and drying, and spraying a powder mixture consisting of large and small particle size inorganic fillers onto the surface of the wall surface by adopting a supersonic flame spraying method to form a facing layer; wherein the raw material mixture comprises quartz sand, cement, a water reducing agent, low-melting-point glass powder and water.
According to the invention, the raw material mixture is coated on the wall surface to be decorated, leveling operation on the vertical surface of the wall body is not needed, and a single stone is not needed to be cut to adapt to the edge of the irregular vertical surface of the wall body, the raw material mixture can be used at the construction site along with stirring, so that the thickness of the decoration layer can be conveniently adjusted according to the construction requirement, after the coated bottom layer is maintained, solidified and dried, the powder mixture is sprayed on the surface of the bottom layer by adopting a supersonic flame spraying method, and under the action of the high temperature, quartz sand in the raw material mixture and inorganic filler are subjected to ceramic reaction to form a ceramic sealing layer with viscosity and are solidified on the surface to form a smooth finish coat; more importantly, the supersonic flame spraying mode adopted by the invention is combined with the impact effect of the supersonic flame spraying mode on the bottom layer formed by the raw material mixture on the vertical surface of the wall body, so that the compactness is improved, and the strength of the decorative surface layer and even the whole decorative layer is ensured; the coating construction method of the stone-like brick provided by the invention realizes the integral construction effect of the stone-like brick on the vertical surface of the wall body, and is simple and convenient.
Further, according to the present invention, the type of the inorganic filler may be selected from a wide range, and specifically, the inorganic filler is one or a mixture of more than one of kaolin powder, montmorillonite powder, alunite powder, mica powder, feldspar powder, talc powder, wollastonite powder, and cordierite powder.
In the invention, the inorganic filler with large and small particle diameters is mixed to ensure the dense filling of the bottom surface formed by the raw material mixture so as to be beneficial to forming a smooth surface of a decorative layer, and preferably, the average particle diameter of the inorganic filler with large particle diameter is 11-20 mu m, and the particle diameter of the inorganic filler with small particle diameter is 1-10 mu m. More preferably, the weight ratio of the large-particle-size inorganic filler to the small-particle-size inorganic filler is 1: 1.5-3.
In the present invention, the content of each raw material component in the raw material mixture may be selected within a wide range, and preferably, the raw material mixture includes 25 to 35 parts by weight of the cement, 0.01 to 0.02 part by weight of the water reducing agent, 1 to 10 parts by weight of the low melting point glass powder, and 0.16 to 0.20 part by weight of water, based on 100 parts by weight of the total amount of the quartz sand.
Further, according to the present invention, the specific kind of the water reducing agent can be selected within a wide range, and in order to ensure that the bottom layer formed on the facade of the wall body by the raw material mixture has more excellent tensile bonding strength, compressive strength and breaking strength, it is preferable that the water reducing agent is calcium lignosulfonate or sodium lignosulfonate.
In the invention, the low-melting-point glass powder can be melted under the action of high temperature to form a reinforcing agent which is bonded and fixed in the bottom layer, so that the overall strength of the bottom layer formed by the raw material mixture is improved. The low-melting-point glass powder is different from the traditional glass powder, is a silicon oxide boron metal salt produced by mixing materials, melting, copolymerizing and crystallizing in a high-temperature environment by adopting relatively environment-friendly materials, and has the characteristic of ultralow-temperature melting; the melting point of the low-melting-point glass powder is 390-780 ℃. More specifically, the low melting point glass frit may be manufactured by New Material Ltd of Google, Guangzhou under the trade designations D240 (melting point 400 ℃), D245 (melting point 450 ℃), and D250 (melting point 500 ℃).
In the invention, the specific technological parameters of the supersonic flame spraying are as follows: the spraying distance is 350-370mm, the powder feeding rate is 50-60 g/min, the oxygen flow is 1700-1800L/h, the oxygen pressure is 120-130 psi, the kerosene flow is 5.2-5.5 gallon/h, and the kerosene pressure is 100-120 psi.
In the invention, the thickness of the facing layer formed by spraying the raw material mixture layer by the supersonic flame spraying method is 300-.
The coating construction method of the stone-like brick provided by the invention is more specifically described by specific examples below.
Example 1
A coating construction method of a stone-like brick comprises the following steps:
coating a raw material mixture on a wall surface to be decorated, wherein the raw material mixture comprises: 100 parts of quartz sand (purchased from Hengtai quartz sand Co., Ltd., North sea, the granularity is 20 meshes, the content of silicon dioxide is 99.21%), 30 parts of cement (42.5R portland cement), 0.015 part of water reducing agent calcium lignosulfonate, 5 parts of low-melting glass powder (D245 produced by Guangzhou Songliner new material Co., Ltd., the melting point is 450 ℃) and 0.175 part of water; the thickness of a bottom layer formed by coating the raw material mixture on the vertical surface of the wall body is 1.5 cm;
curing, solidifying and drying, specifically, spraying water onto the vertical surface of the wall in a spray manner on the 1 st day of coating the raw material mixture on the wall, so that the bottom layer formed by the raw material mixture is fully fine and moist; on days 2-3, the same method is adopted, once every 1 day; maintaining for 2 times every day on day 4-7 by the same method; then naturally drying the bottom layer on the vertical surface of the wall body;
spraying a powder mixture consisting of large and small particle size inorganic fillers onto the surface of the bottom layer by adopting a supersonic flame spraying method to form a finish coat; wherein the large-particle-size inorganic filler is kaolin powder with the average particle size of 15 mu m, the small-particle-size inorganic filler is montmorillonite powder with the average particle size of 5 mu m, and the weight ratio of the kaolin powder to the montmorillonite powder is 1: 2.5;
the specific technological parameters of the supersonic flame spraying are as follows: the spray distance was 360mm, the powder feed rate was 60 grams/minute, the oxygen flow was 1800 liters/hour, the oxygen pressure was 125 psig, the kerosene flow was 5.4 gallons/hour, and the kerosene pressure was 110 psig; the thickness of the facing layer formed by spraying on the raw material mixture layer was 350 μm.
Example 2
The coating construction method of the stone-like brick in the embodiment is basically the same as that of the stone-like brick in the embodiment 1, except that the raw material mixture comprises the following components: 100 parts of quartz sand (purchased from Hengtai quartz sand Co., Ltd., North sea, the granularity is 20 meshes, the content of silicon dioxide is 99.21%), 25 parts of cement (42.5R portland cement), 0.01 part of water reducing agent calcium lignosulfonate, 1 part of low-melting glass powder (D245 produced by Guangzhou Songliner new material Co., Ltd., the melting point is 450 ℃) and 0.16 part of water; and keeping the rest unchanged to obtain the stone-like brick.
Example 3
The coating construction method of the stone-like brick in the embodiment is basically the same as that of the stone-like brick in the embodiment 1, except that the raw material mixture comprises the following components: 100 parts of quartz sand (purchased from Hengtai quartz sand Co., Ltd., North sea, the granularity is 20 meshes, the content of silicon dioxide is 99.21%), 35 parts of cement (42.5R portland cement), 0.02 part of water reducing agent calcium lignosulfonate, 10 parts of low-melting glass powder (D245 produced by Guangzhou Sonling new material Co., Ltd., the melting point is 450 ℃) and 0.2 part of water; and keeping the rest unchanged to obtain the stone-like brick.
Comparative example 1
The coating construction method of the stone-like brick in the embodiment is basically the same as that of the stone-like brick in the embodiment 1, except that the raw material mixture does not contain the low-melting-point glass powder. Specifically, the raw material mixture comprises: 100 parts by weight of quartz sand (purchased from Hengtai quartz sand Co., Ltd., North sea, the particle size of which is 20 meshes and the silica content of which is 99.21%) (purchased from Hengtai quartz sand Co., Ltd., the particle size of which is 20 meshes and the silica content of which is 99.21%) (cement (42.5R portland cement)), 30 parts by weight of cement, 0.015 part by weight of calcium lignosulfonate, a water reducing agent and 0.175 part by weight of water; and keeping the rest unchanged to obtain the stone-like brick.
Comparative example 2
The coating construction method of the stone-like brick in the embodiment is basically the same as that of the stone-like brick in the embodiment 1, except that in the supersonic flame spraying, the powder mixture does not contain the inorganic filler with large particle size, and only contains the same amount (the total amount of the inorganic fillers with large particle size and small particle size is equal to that in the embodiment 1) of the inorganic filler with small particle size; and keeping the rest unchanged to obtain the stone-like brick.
In the present invention, in order to further test the strength of the above-mentioned stone-like tile directly placed on the facade of a wall, the above-mentioned stone-like tile (the thickness of the stone-like tile is 1.5cm of the bottom layer, and the facing layer of 350 μm formed on the surface thereof) was molded in a square mold by the method of the above-mentioned example or comparative example; then, the compression resistance is tested according to the regulations in GB/T4100-2006, and the specific test results are shown in Table 1.
Table 1:
the test data are combined to show that the stone-like brick provided by the invention has higher compressive strength and better frost resistance; as can be seen from the comparison of the test data of examples 1 and 3, the higher content of the low-melting glass powder can improve the compressive strength of the obtained stone-like brick, but the frost resistance of the stone-like brick is deteriorated.
As can be seen from the data of example 1 and comparative example 1, the stone-like brick without the low-melting glass powder has low compressive strength and good freezing resistance. As can be seen from the data of example 1 and comparative example 2, the powder mixture does not contain the large-particle-size inorganic filler, and the compressive strength of the whole is slightly lowered (29.6MPa to 29.1MPa), and the inventors speculate that the impact effect of the large-particle-size inorganic filler on the surface of the underlayer is not obtained, and the compactness is slightly weak.
The foregoing shows and describes the general principles, essential features, and inventive features of this invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A coating construction method of a stone-like brick is characterized by comprising the steps of coating a raw material mixture on a wall surface to be decorated, curing, solidifying and drying the raw material mixture, and spraying a powder mixture consisting of inorganic fillers with large and small particle sizes onto the surface of the powder mixture by adopting a supersonic flame spraying method to form a finish coat;
wherein the raw material mixture comprises quartz sand, cement, a water reducing agent, low-melting-point glass powder and water;
the inorganic filler is one or a mixture of more than one of kaolin powder, montmorillonite powder, alumyte powder, mica powder, feldspar powder, talcum powder, wollastonite powder and cordierite powder;
the average grain diameter of the large-grain-diameter inorganic filler is 11-20 mu m, and the grain diameter of the small-grain-diameter inorganic filler is 1-10 mu m;
the weight ratio of the large-particle-size inorganic filler to the small-particle-size inorganic filler is 1: 1.5-3.
2. The method according to claim 1, wherein the cement is used in an amount of 25 to 35 parts by weight, the water reducing agent is used in an amount of 0.01 to 0.02 part by weight, the low melting point glass frit is used in an amount of 1 to 10 parts by weight, and the water is used in an amount of 0.16 to 0.20 part by weight, based on 100 parts by weight of the total amount of the silica sand in the raw material mixture.
3. The method of claim 1, wherein the water reducing agent is calcium lignosulfonate or sodium lignosulfonate.
4. The method as claimed in claim 1, wherein the low-melting glass frit has a melting point of 390-780 ℃.
5. The method according to claim 1, wherein the specific process parameters of the supersonic flame spraying are as follows: the spraying distance is 350-370mm, the powder feeding rate is 50-60 g/min, the oxygen flow is 1700-1800L/h, the oxygen pressure is 120-130 psi, the kerosene flow is 5.2-5.5 gallon/h, and the kerosene pressure is 100-120 psi.
6. The method as claimed in claim 1, wherein the supersonic flame spraying method is used to spray the raw material mixture layer to form a finish layer with a thickness of 300-400 μm.
7. A stone-like tile coated by the method of any one of claims 1 to 6.
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| CN103359986B (en) * | 2012-03-30 | 2016-07-06 | 张立新 | A kind of concrete prefabricated element using sea sand |
| CN103015648A (en) * | 2012-12-06 | 2013-04-03 | 徐永德 | Novel method for processing die-pressed stone-simulating wall surface |
| CN108774001A (en) * | 2018-05-31 | 2018-11-09 | 合肥宸翊商贸有限公司 | A kind of preparation method of high abrasion building and ornament materials |
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