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Three commonly used interior wall insulation materials
Clicks: 【520】 Date: [2016/11/14 17:22:27]

The first interior wall insulation material: cherry rock wool board
1. Product Name: Cherry Blossom Rock Wool Board
2. Conventional specifications: 1200 * 600, 1200 * 900, 1000 * 600, 900 * 600
3. Thickness: 25-150mm
4. Bulk density: 40kg / m3 --- 200kg / m3  
5. Thermal conductivity: <0.044w / mk  
6. Temperature resistance:> 650 ℃
7. Melting point> 1000 ℃
8.Slag ball content <10%
9.Water-repellent rate> 99%  
10. Organic matter content <4%  
11.Water absorption <0.5%
Main uses: thermal insulation and fire protection for curtain walls, roofs, partition walls, exterior walls, industrial boilers, industrial equipment, etc.

The second type of interior wall insulation material is expandable polystyrene. Expandable polystyrene is referred to as EPS, which is a thermoplastic material. After heated and foamed, it contains 3-6 million independent closed air bubbles per cubic decimeter. , Containing more than 98% air volume, is currently the lightest packaging material. EPS foam packaging and sheet are produced in strict accordance with the standard GB / T1649-92T, widely used in electrical, electronics, food, instrumentation, ceramics, construction and other fields Features: ① with thermal insulation, heat insulation, sound insulation, fresh-keeping packaging ② shockproof, cushioning effect ③ Light material, composed of a large number of particles ④ Good water resistance and strong buoyancy; ⑤ Excellent weather resistance, not affected by climatic conditions;
Physical properties: ① Density 10 ~ 40kg / m3; ② Compressive strength 85 ~ 250kpa; ③ Thermal conductivity 0.0329 ~ 0.036w / mk; ④ Water vapor permeability coefficient 4 ~ 6ng / pa · m · s; ⑤ Water absorption 1.5 ~ 4 % (v / v); ⑥ Flexibility and bending deformation of 20 ~ 24mm.
Processing method: die-cutting, die forming at one time.


The third type of interior wall insulation material: Foam cement English name: Foam cement Foam cement, the earliest material used in Germany was introduced to China around 1980. The foaming system of the foaming machine is used to fully foam the foaming agent mechanically, and the foam and the cement slurry are evenly mixed, and then the pumping system of the foaming machine is used for in-situ construction or mold forming, and then passes through the natural conservation office. A new type of light-weight thermal insulation and fire-resistant material containing a large number of closed pores is formed. It belongs to a bubble-like thermal insulation material, and is characterized by the formation of closed foam holes in the concrete, which makes the concrete lightweight and heat-insulating.
1) Thermal insulation: thermal conductivity is 0.06-0.28W / (MK), thermal resistance is about 10-20 times of ordinary concrete.
2) Light weight: The dry bulk density is 300-1600KG / M3, which is equivalent to about 1/5 to 1/8 of ordinary cement concrete, which can reduce the overall load of the building.
3) Integrity: It can be poured on-site for construction, which is closely integrated with the main project, without the need for demarcation gaps and ventilation pipes.
4) Low elastic shock absorption: The porosity of foamed cement makes it have a low elastic modulus, so that it has a good absorption and dispersion effect on impact loads.
5) Sound insulation: Foamed cement contains a large number of independent air bubbles and is evenly distributed. The sound absorption capacity is 0.09-0.19%, which is 5 times that of ordinary concrete, and has effective sound insulation.
6) Compression resistance: Compression strength is 0.6-25.0MPA.
7) Water resistance: In-situ foamed cement has a small water absorption, relatively independent closed air bubbles and good integrity, which makes it have a certain waterproof performance.
8) Durability: Same as the life of the main project.
9) Simple construction: Just use a cement foaming machine to achieve automatic operation, and achieve long-distance transportation with a vertical height of 200 meters, with a workload of 150-300M3 / working day.
10) Production processability: Foamed cement can not only be produced in the factory into a variety of products, but also can be constructed on-site, directly cast into roofs, floors and walls, and can be sawed, planed, nailed and drilled. Holes and other processing.

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