CN111439983A - Light inner wall heat insulation gypsum mortar and production process thereof - Google Patents
Light inner wall heat insulation gypsum mortar and production process thereof Download PDFInfo
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- CN111439983A CN111439983A CN202010472632.3A CN202010472632A CN111439983A CN 111439983 A CN111439983 A CN 111439983A CN 202010472632 A CN202010472632 A CN 202010472632A CN 111439983 A CN111439983 A CN 111439983A
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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
- C04B28/14—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 calcium sulfate cements
- C04B28/145—Calcium sulfate hemi-hydrate with a specific crystal form
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Thermal Insulation (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention belongs to the technical field of building mortar preparation, and particularly discloses light interior wall heat insulation gypsum mortar which is prepared from the following raw materials, by weight, 40% of perlite, 30-40% of desulfurized gypsum, 15 × +/-5% of semi-hydrated gypsum, 3-4% of cement, 12-15% of vitrified micro bubbles, 0.2% of cellulose, 1% of latex powder, 1% of retarder, 1% to 5% of water-retaining agent and the balance of water.
Description
Technical Field
The invention belongs to the technical field of building mortar preparation, and particularly relates to light interior wall heat insulation gypsum mortar.
Background
Mortar is a bonding substance used for building bricks on buildings, and is formed by adding water into sand and cementing materials (cement, lime paste, clay and the like) according to a certain proportion, also called mortar and also used as mortar, wherein the mortar is commonly used as cement mortar, mixed mortar (or cement stone mortar), lime mortar and clay mortar, and is formed by mixing inorganic cementing materials with fine aggregates and water according to a certain proportion, also called mortar royal jelly. The mortar is used for masonry and plastering engineering and can be divided into masonry mortar and plastering mortar, wherein the masonry mortar is used for masonry and component installation of bricks, stones, building blocks and the like, and the plastering mortar is used for plastering of surfaces of walls, grounds, roofs, beam-column structures and the like so as to meet the requirements of protection, decoration and the like. In the common mortar material, gypsum, lime paste or clay is mixed with fibrous reinforcing material and water to prepare paste, which is called as ash, paste, mud or cement gum. The building mortar and concrete are characterized by containing no coarse aggregate and being prepared from a cementing material, fine aggregate and water according to a certain proportion. The mortar is divided into masonry mortar and plastering mortar according to the application, and is divided into cement mortar, lime mortar, gypsum mortar, cement and lime mixed mortar and the like according to different materials.
The existing mortar is divided into heat-insulating mortar and gypsum mortar, the heat-insulating mortar is light in weight and small in adhesive force, hollowing or falling off easily when being used on an outer wall, the gypsum mortar is not water-resistant, and the two kinds of mortar have certain limitations when being used separately.
Accordingly, those skilled in the art have provided a lightweight interior wall thermal insulation gypsum mortar to solve the problems set forth in the background art as described above.
Disclosure of Invention
The invention aims to provide light inner wall heat insulation gypsum mortar to solve the problems that the heat insulation mortar provided in the background technology is light in weight, small in adhesive force, easy to hollow or fall off when being used on an outer wall, and the gypsum mortar is not water-resistant, and the two kinds of mortar have certain limitations when being used separately.
In order to achieve the purpose, the light inner wall heat insulation gypsum mortar adopts the following technical scheme that the light inner wall heat insulation gypsum mortar is prepared from the following raw materials, by weight, 40% of perlite, 30-40% of desulfurized gypsum, 15 × +/-5% of semi-hydrated gypsum, 3-4% of cement, 12-15% of vitrified micro-beads, 0.2% of cellulose, 1% of latex powder, 1-3% of retarder, 1-5% of water-retaining agent and the balance of water.
Preferably, the particle size of the perlite is 1-2 mm.
Preferably, the bulk density of the vitrified micro bubbles is 90-110kg/m3, the simple pressure strength is 100-130KPa, the thermal conductivity is less than 0.048W/(m.K), the volume water absorption is less than 45%, the volume floating rate is more than 70%, and the surface vitrified closed pore rate is more than 75%.
Preferably, the retarder comprises any one of sodium gluconate, sodium citrate and potassium sodium tartrate.
Preferably, the water-retaining agent includes any one of sodium polyacrylate and polyacrylamide.
Preferably, the cellulose is a macromolecular polysaccharide consisting of glucose.
Preferably, the latex powder comprises any one of ethylene/vinyl acetate copolymer, vinyl acetate/versatic acid ethylene copolymer and acrylic acid copolymer.
The preparation method of the light inner wall heat insulation gypsum mortar comprises the following steps:
s1, weighing the raw materials: weighing perlite, desulfurized gypsum, semi-hydrated gypsum, cement, vitrified micro-beads, cellulose, latex powder, retarder, water-retaining agent and water by using an automatic weighing machine;
s2, crushing raw materials: crushing desulfurized gypsum and semi-hydrated gypsum;
s3, mixing and stirring: pouring the crushed desulfurized gypsum, the half-hydrated gypsum and the weighed raw materials into a stirring barrel by using belt lifting equipment to be fully and uniformly stirred;
and S4, detecting performance parameters after obtaining a finished product, and finally weighing and packaging.
Preferably, in step S3, the mixture is stirred by a horizontal stirrer: the volume is 3 cubic, 70 rpm, and the stirring is carried out for 3 minutes.
Preferably, in step S4, the performance parameters include humidity, thermal conductivity and consistency, and a sampling check is performed to check whether the standard meets the national standard; weighing and packaging finished products meeting the national standard; and (3) adding a proper amount of additives into the finished product which does not reach the national standard according to the parameter performance index, continuously stirring and mixing, detecting the performance parameters again until the finished product reaches the national standard, weighing and packaging.
The invention has the technical effects and advantages that: compared with the prior art, the heat-insulating mortar and the gypsum mortar are combined, the prepared mortar has strong adhesive force, is not easy to hollowly or fall off when being used on an outer wall, has insufficient complementation, has good waterproofness, ensures that the outer wall does not need to be additionally provided with a heat-insulating layer, and has wide application range, high use efficiency and strong stability.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The invention provides light interior wall heat insulation gypsum mortar which is prepared from the following raw materials in percentage by weight: 40% of perlite, 30% of desulfurized gypsum, 15% of semi-hydrated gypsum, 3% of cement, 12% of vitrified micro-beads, 0.2% of cellulose, 1% of latex powder, 1% of retarder, 1% of water-retaining agent and the balance of water.
Specifically, the particle size of the perlite is 1.5 mm.
Specifically, the bulk density of the vitrified micro bubbles is 90kg/m3, the simple pressure intensity is 100KPa, the heat conductivity coefficient is less than 0.048W/(m.K), the volume water absorption rate is less than 45%, the volume floating rate is more than 70%, and the surface vitrified closed pore rate is more than 75%.
Specifically, the retarder comprises any one of sodium gluconate, sodium citrate and potassium sodium tartrate.
Specifically, the water retaining agent comprises any one of sodium polyacrylate and polyacrylamide.
Specifically, the cellulose is macromolecular polysaccharide composed of glucose, and is insoluble in water and common organic solvents.
Specifically, the latex powder comprises any one of ethylene/vinyl acetate copolymer, vinyl acetate/versatic acid ethylene copolymer and acrylic acid copolymer.
The production process of the light inner wall heat insulation gypsum mortar comprises the following steps:
s1, weighing the raw materials: weighing perlite, desulfurized gypsum, semi-hydrated gypsum, cement, vitrified micro-beads, cellulose, latex powder, retarder, water-retaining agent and water by using an automatic weighing machine;
s2, crushing raw materials: crushing desulfurized gypsum and semi-hydrated gypsum;
s3, mixing and stirring: pouring the crushed desulfurized gypsum, the half-hydrated gypsum and the weighed raw materials into a stirring barrel by using belt lifting equipment to be fully and uniformly stirred;
and S4, detecting performance parameters after obtaining a finished product, and finally weighing and packaging.
Specifically, in step S3, the mixture is stirred with a horizontal stirrer: the volume is 3 cubic, 70 rpm, and the stirring is carried out for 3 minutes.
Specifically, in step S4, the performance parameters include dryness, humidity, thermal conductivity, and consistency, and a sampling inspection is performed to check whether the standard meets the national standard; weighing and packaging finished products meeting the national standard; and (3) adding a proper amount of additives into the finished product which does not reach the national standard according to the parameter performance index, continuously stirring and mixing, detecting the performance parameters again until the finished product reaches the national standard, weighing and packaging.
Example 2
The invention provides light interior wall heat insulation gypsum mortar which is prepared from the following raw materials, by weight, 40% of perlite, 35% of desulfurized gypsum, 15 × +/-1% of semi-hydrated gypsum, 3.5% of cement, 13% of vitrified micro bubbles, 0.2% of cellulose, 1% of latex powder, 2% of retarder, 3% of water-retaining agent and the balance of water.
Specifically, the particle size of the perlite is 1.6 mm.
Specifically, the bulk density of the vitrified micro bubbles is 100kg/m3, the simple compressive strength is 110KPa, the thermal conductivity is less than 0.048W/(m.K), the volume water absorption is less than 45%, the volume floating rate is more than 70%, and the surface vitrified closed pore rate is more than 75%.
Specifically, the retarder comprises any one of sodium gluconate, sodium citrate and potassium sodium tartrate.
Specifically, the water retaining agent comprises any one of sodium polyacrylate and polyacrylamide.
Specifically, the cellulose is macromolecular polysaccharide composed of glucose, and is insoluble in water and common organic solvents.
Specifically, the latex powder comprises any one of ethylene/vinyl acetate copolymer, vinyl acetate/versatic acid ethylene copolymer and acrylic acid copolymer.
The production process of the light inner wall heat insulation gypsum mortar comprises the following steps:
s1, weighing the raw materials: weighing perlite, desulfurized gypsum, semi-hydrated gypsum, cement, vitrified micro-beads, cellulose, latex powder, retarder, water-retaining agent and water by using an automatic weighing machine;
s2, crushing raw materials: crushing desulfurized gypsum and semi-hydrated gypsum;
s3, mixing and stirring: pouring the crushed desulfurized gypsum, the half-hydrated gypsum and the weighed raw materials into a stirring barrel by using belt lifting equipment to be fully and uniformly stirred;
and S4, detecting performance parameters after obtaining a finished product, and finally weighing and packaging.
Specifically, in step S3, the mixture is stirred with a horizontal stirrer: the volume is 3 cubic, 70 rpm, and the stirring is carried out for 3 minutes.
Specifically, in step S4, the performance parameters include dryness, humidity, thermal conductivity, and consistency, and a sampling inspection is performed to check whether the standard meets the national standard; weighing and packaging finished products meeting the national standard; and (3) adding a proper amount of additives into the finished product which does not reach the national standard according to the parameter performance index, continuously stirring and mixing, detecting the performance parameters again until the finished product reaches the national standard, weighing and packaging.
Example 3
The invention provides light interior wall heat insulation gypsum mortar which is prepared from the following raw materials, by weight, 40% of perlite, 38% of desulfurized gypsum, 15 × +/-2% of semi-hydrated gypsum, 4% of cement, 13% of vitrified micro bubbles, 0.2% of cellulose, 1% of latex powder, 3% of retarder, 4% of water-retaining agent and the balance of water.
Specifically, the particle size of the perlite is 1.7 mm.
Specifically, the bulk density of the vitrified micro bubbles is 105kg/m3, the simple pressure intensity is 120KPa, the heat conductivity coefficient is less than 0.048W/(m.K), the volume water absorption rate is less than 45%, the volume floating rate is more than 70%, and the surface vitrified closed pore rate is more than 75%.
Specifically, the retarder comprises any one of sodium gluconate, sodium citrate and potassium sodium tartrate.
Specifically, the water retaining agent comprises any one of sodium polyacrylate and polyacrylamide.
Specifically, the cellulose is macromolecular polysaccharide composed of glucose, and is insoluble in water and common organic solvents.
Specifically, the latex powder comprises any one of ethylene/vinyl acetate copolymer, vinyl acetate/versatic acid ethylene copolymer and acrylic acid copolymer.
The production process of the light inner wall heat insulation gypsum mortar comprises the following steps:
s1, weighing the raw materials: weighing perlite, desulfurized gypsum, semi-hydrated gypsum, cement, vitrified micro-beads, cellulose, latex powder, retarder, water-retaining agent and water by using an automatic weighing machine;
s2, crushing raw materials: crushing desulfurized gypsum and semi-hydrated gypsum;
s3, mixing and stirring: pouring the crushed desulfurized gypsum, the half-hydrated gypsum and the weighed raw materials into a stirring barrel by using belt lifting equipment to be fully and uniformly stirred;
and S4, detecting performance parameters after obtaining a finished product, and finally weighing and packaging.
Specifically, in step S3, the mixture is stirred with a horizontal stirrer: the volume is 3 cubic, 70 rpm, and the stirring is carried out for 3 minutes.
Specifically, in step S4, the performance parameters include dryness, humidity, thermal conductivity, and consistency, and a sampling inspection is performed to check whether the standard meets the national standard; weighing and packaging finished products meeting the national standard; and (3) adding a proper amount of additives into the finished product which does not reach the national standard according to the parameter performance index, continuously stirring and mixing, detecting the performance parameters again until the finished product reaches the national standard, weighing and packaging.
Example 4
The invention provides light interior wall heat insulation gypsum mortar which is prepared from the following raw materials, by weight, 40% of perlite, 39% of desulfurized gypsum, 15 × +/-3% of semi-hydrated gypsum, 3% of cement, 14% of vitrified micro bubbles, 0.2% of cellulose, 1% of latex powder, 2% of retarder, 4% of water-retaining agent and the balance of water.
Specifically, the particle size of the perlite is 1.8 mm.
Specifically, the bulk density of the vitrified micro bubbles is 108kg/m3, the simple pressure intensity is 120KPa, the heat conductivity coefficient is less than 0.048W/(m.K), the volume water absorption rate is less than 45%, the volume floating rate is more than 70%, and the surface vitrified closed pore rate is more than 75%.
Specifically, the retarder comprises any one of sodium gluconate, sodium citrate and potassium sodium tartrate.
Specifically, the water retaining agent comprises any one of sodium polyacrylate and polyacrylamide.
Specifically, the cellulose is macromolecular polysaccharide composed of glucose, and is insoluble in water and common organic solvents.
Specifically, the latex powder comprises any one of ethylene/vinyl acetate copolymer, vinyl acetate/versatic acid ethylene copolymer and acrylic acid copolymer.
The preparation method of the light inner wall heat insulation gypsum mortar comprises the following steps:
s1, weighing the raw materials: weighing perlite, desulfurized gypsum, semi-hydrated gypsum, cement, vitrified micro-beads, cellulose, latex powder, retarder, water-retaining agent and water by using an automatic weighing machine;
s2, crushing raw materials: crushing desulfurized gypsum and semi-hydrated gypsum;
s3, mixing and stirring: pouring the crushed desulfurized gypsum, the half-hydrated gypsum and the weighed raw materials into a stirring barrel by using belt lifting equipment to be fully and uniformly stirred;
and S4, detecting performance parameters after obtaining a finished product, and finally weighing and packaging.
Specifically, in step S3, the mixture is stirred with a horizontal stirrer: the volume is 3 cubic, 70 rpm, and the stirring is carried out for 3 minutes.
Specifically, in step S4, the performance parameters include dryness, humidity, thermal conductivity, and consistency, and a sampling inspection is performed to check whether the standard meets the national standard; weighing and packaging finished products meeting the national standard; and (3) adding a proper amount of additives into the finished product which does not reach the national standard according to the parameter performance index, continuously stirring and mixing, detecting the performance parameters again until the finished product reaches the national standard, weighing and packaging.
Example 5
The invention provides light interior wall heat insulation gypsum mortar which is prepared from the following raw materials, by weight, 40% of perlite, 40% of desulfurized gypsum, 15% of semi-hydrated gypsum, 15 × +/-4%, 4% of cement, 15% of vitrified micro bubbles, 0.2% of cellulose, 1% of latex powder, 3% of retarder, 5% of water-retaining agent and the balance of water.
Specifically, the particle size of the perlite is 2 mm.
Specifically, the bulk density of the vitrified micro bubbles is 110kg/m3, the simple pressure intensity is 130KPa, the heat conductivity coefficient is less than 0.048W/(m.K), the volume water absorption rate is less than 45%, the volume floating rate is more than 70%, and the surface vitrified closed pore rate is more than 75%.
Specifically, the retarder comprises any one of sodium gluconate, sodium citrate and potassium sodium tartrate.
Specifically, the water retaining agent comprises any one of sodium polyacrylate and polyacrylamide.
Specifically, the cellulose is macromolecular polysaccharide composed of glucose, and is insoluble in water and common organic solvents.
Specifically, the latex powder comprises any one of ethylene/vinyl acetate copolymer, vinyl acetate/versatic acid ethylene copolymer and acrylic acid copolymer.
The production process of the light inner wall heat insulation gypsum mortar comprises the following steps:
s1, weighing the raw materials: weighing perlite, desulfurized gypsum, semi-hydrated gypsum, cement, vitrified micro-beads, cellulose, latex powder, retarder, water-retaining agent and water by using an automatic weighing machine;
s2, crushing raw materials: crushing desulfurized gypsum and semi-hydrated gypsum;
s3, mixing and stirring: pouring the crushed desulfurized gypsum, the half-hydrated gypsum and the weighed raw materials into a stirring barrel by using belt lifting equipment to be fully and uniformly stirred;
and S4, detecting performance parameters after obtaining a finished product, and finally weighing and packaging.
Specifically, in step S3, the mixture is stirred with a horizontal stirrer: the volume is 3 cubic, 70 rpm, and the stirring is carried out for 3 minutes.
Specifically, in step S4, the performance parameters include dryness, humidity, thermal conductivity, and consistency, and a sampling inspection is performed to check whether the standard meets the national standard; weighing and packaging finished products meeting the national standard; and (3) adding a proper amount of additives into the finished product which does not reach the national standard according to the parameter performance index, continuously stirring and mixing, detecting the performance parameters again until the finished product reaches the national standard, weighing and packaging.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (10)
1. The light inner wall heat insulation gypsum mortar is characterized by being prepared from the following raw materials, by weight, 40% of perlite, 30-40% of desulfurized gypsum, 15 × +/-5% of semi-hydrated gypsum, 3-4% of cement, 12-15% of vitrified micro-beads, 0.2% of cellulose, 1% of latex powder, 1-3% of retarder, 1-5% of water-retaining agent, and the balance of water.
2. The lightweight interior wall thermal insulation gypsum mortar of claim 1, wherein: the particle size of the perlite is 1-2 mm.
3. The lightweight interior wall thermal insulation gypsum mortar of claim 1, wherein: the bulk density of the vitrified micro bubbles is 90-110kg/m3, the simple pressure intensity is 100-130KPa, the heat conductivity coefficient is less than 0.048W/(m.K), the volume water absorption is less than 45%, the volume floating rate is more than 70%, and the surface vitrified closed pore rate is more than 75%.
4. The lightweight interior wall thermal insulation gypsum mortar of claim 1, wherein: the retarder comprises any one of sodium gluconate, sodium citrate and potassium sodium tartrate.
5. The lightweight interior wall thermal insulation gypsum mortar of claim 1, wherein: the water-retaining agent comprises any one of sodium polyacrylate and polyacrylamide.
6. The lightweight interior wall thermal insulation gypsum mortar of claim 1, wherein: the cellulose is a macromolecular polysaccharide consisting of glucose.
7. The lightweight interior wall thermal insulation gypsum mortar of claim 1, wherein: the latex powder comprises any one of ethylene/vinyl acetate copolymer, vinyl acetate/versatic acid ethylene copolymer and acrylic acid copolymer.
8. The production process of the light inner wall heat insulation gypsum mortar according to claim 1, characterized in that: the method comprises the following steps:
s1, weighing the raw materials: weighing perlite, desulfurized gypsum, semi-hydrated gypsum, cement, vitrified micro-beads, cellulose, latex powder, retarder, water-retaining agent and water by using an automatic weighing machine;
s2, crushing raw materials: crushing desulfurized gypsum and semi-hydrated gypsum;
s3, mixing and stirring: pouring the crushed desulfurized gypsum, the half-hydrated gypsum and the weighed raw materials into a stirring barrel by using belt lifting equipment to be fully and uniformly stirred;
and S4, detecting performance parameters after obtaining a finished product, and finally weighing and packaging.
9. The production process of the light inner wall heat insulation gypsum mortar according to claim 8, characterized in that: in step S3, stirring with a horizontal stirrer: the volume is 3 cubic, 70 rpm, and the stirring is carried out for 3 minutes.
10. The production process of the light inner wall heat insulation gypsum mortar according to claim 8, characterized in that: in step S4, the performance parameters include dryness, humidity, thermal conductivity and consistency, and a sampling inspection is performed to determine whether the standard meets the national standard; weighing and packaging finished products meeting the national standard; and (3) adding a proper amount of additives into the finished product which does not reach the national standard according to the parameter performance index, continuously stirring and mixing, detecting the performance parameters again until the finished product reaches the national standard, weighing and packaging.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2019113144653 | 2019-12-19 | ||
| CN201911314465 | 2019-12-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114349453A (en) * | 2021-12-31 | 2022-04-15 | 江苏吉邦材料科技有限公司 | High-coating-rate light gypsum mortar |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101880149A (en) * | 2010-07-13 | 2010-11-10 | 唐山市思远涂料有限公司 | Phase-change and energy-storage desulfurized gypsum interior wall thermal-insulation mortar |
| CN101921096A (en) * | 2009-06-17 | 2010-12-22 | 谢日清 | Inorganic heat-insulating dry powder mortar |
-
2020
- 2020-05-29 CN CN202010472632.3A patent/CN111439983A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101921096A (en) * | 2009-06-17 | 2010-12-22 | 谢日清 | Inorganic heat-insulating dry powder mortar |
| CN101880149A (en) * | 2010-07-13 | 2010-11-10 | 唐山市思远涂料有限公司 | Phase-change and energy-storage desulfurized gypsum interior wall thermal-insulation mortar |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114349453A (en) * | 2021-12-31 | 2022-04-15 | 江苏吉邦材料科技有限公司 | High-coating-rate light gypsum mortar |
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Application publication date: 20200724 |