Gypsum board
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Calcium silicate board is composed of siliceous materials (mainly composition is SiO2, such as quartz powder, fly ash, diatomite, etc.),
calcium material (ingredient is CaO, such as lime, calcium carbide, cement, etc.) mud, enhance fiber, additives according to certain
proportion coordination, the copy or moulding, autoclaved curing processes such as made of a new type of inorganic building materials.
Because of its high strength, light weight, and has a good performance can be processed and incombustible, so widely used in Marine bulkhead,
ceiling, and construction of nonbearing wall, there is a requirement for fire prevention and other places.Silicon plasterboard is building gypsum as
main raw materials made of a material.It is a kind of light weight, high strength, thickness thin, easy processing and sound insulation better
building materials, thermal insulation and fire prevention performance is one of the current focus on development of new light plate.
Plasterboard has been widely used in homes, offices, shops, hotels and industrial buildings and other structures within the partition wall,
wall cladding panels (instead of wall plaster layer), ceiling, sound-absorbing board, ground base plate and all kinds of decorative plate.Plasterboard plasterboard plasterboard of face (divided into general (common),
fiber plasterboard, gypsum decorative explain) it with gypsum as main material, add fiber, bonding agent, modification agent, by mixing pressing and
drying.Have fire prevention, sound insulation, heat insulation, light weight, high strength, low shrinkage rate, etc and good stability, not aging, insect-resistant eat by moth, nail, saw, planer, available methods of construction.Acid calcium thermal insulation board points with calcium silicate board and decorate with calcium silicate board.
- Q:What's the difference between white carbon and carbon black? Can they be replaced?
- White carbon black in color rubber products instead of carbon black reinforcing, meet the needs of the white or translucent product. Anti aging performance of silica with strong adhesion force, tearing resistance and heat, so the black rubber products can replace part of the carbon black, in order to obtain high quality rubber products, such as off-road tires, engineering tire, radial tire.
- Q:What are the new energy-saving building materials? What's new?
- Heat insulation materials and insulation materials collectively referred to as thermal insulation materials.The commonly used thermal insulation material: mineral wool, rock wool, glass wool (in rock, slag as the main raw material, by high temperature melting, made by centrifugal methods such as cotton and thermosetting resin binder insulation products. ) foam plastics and porous polymers, expanded perlite and their products, calcium silicate insulation products, all kinds of composite insulation materials.Application of thermal insulation materials:(1) it is mainly used for thermal insulation of buildings, walls and roofs;(2) thermal insulation of thermal equipment and thermal pipe;(3) a large number of refrigerators and freezers are also used.
- Q:What are the production methods of calcium silicate board material?
- The synthesis process of dynamic method is carried out under stirring, the synthesis temperature is higher than the static process, and under the compression condition. The dynamic method is simple, no gel chemical order, products made of small capacity, good performance, can obtain high temperature (1000 degrees Celsius) of xonotlite products and ultra light products, but the need for high pressure vessel with stirring device, equipment and process condition requires high energy consumption and investment are higher. At present, this method is adopted abroad.
- Q:What is the difference between calcium silicate board and cement fiber board?
- Fiber cement pressure plate is cement, fiber and other raw materials, after pulping, molding, thousands of tons of press. Calcium silicate board is made of silica and calcium plus fibrous material after pulping and formed by chemical reaction in high temperature environment. Therefore, the difference between the two is very large, mainly in the following aspects:1, from raw materials, calcium silicate board and fiber cement pressure plate difference is mainly calcium silicate board cement content is little, with sand and fly ash instead of cement.2, fiber cement pressure plate is a physical product, calcium silicate board is a chemical product.3, fiber cement pressure plate has press, calcium silicate board has no press; calcium silicate board has autoclaved Fu, fiber cement pressure plate no..4. The density of the fiber cement pressure plate is higher than that of the calcium silicate board, the density of the fiber cement pressure plate is above 1.5g/cm3, and the density of the calcium silicate board is about 1.2g/cm3.5, fiber cement pressure plate thickness can do 2.5-100mm, calcium silicate board can not do less than 4mm of ultra-thin plates and more than 30mm super thick plate, general calcium silicate board manufacturers can only do 6-12mm thickness.6, the normal production of fiber cement pressure plate color is cement color, calcium silicate board color is white.
- Q:What is dew point of thermal insulation material?
- Thermal insulation materials are generally used to guide heat coefficient less than or equal to 0.2 of the material. Thermal insulation material development is very fast, and in industry and building the use of good insulation technology and materials, often can get twice the result with half the effort. Each ton of mineral cotton insulation used in the building saves one ton of oil a year.
- Q:Cement is not silicate products
- Usually refers to silicate products with lime (calcium containing materials) and sand, fly ash, slag (siliceous materials), then add a small amount of gypsum, the steam steam curing or steam curing, building products quickly generate Tobey mullite, calcium silicate, hydrated calcium aluminate sulfate and hydrated calcium aluminate such as cementitious materials and production. Such as: autoclaved fly ash (sand), autoclaved aerated concrete, autoclaved fly ash brick, autoclaved sand lime bricks.
- Q:The ceiling of calcium silicate board and mineral wool board which is good
- Mineral wool board ceiling is different than the calcium silicate board ceiling.Or with the calcium silicate board, mineral wool board first big thickness, increase the keel pressure, easy to cause the ceiling of the cave. Second, it is easy to produce some bug mineral wool board.
- Q:Asbestos free calcium silicate board there is a crack in the kettle, what is the reason?
- Calcium silicate slab crack (crack was autoclaved late cooling stage, it refers to the irregular surface crack, calcium silicate board, or bright or dark is likely to cause fracture, calcium silicate board, low strength, appearance and performance is not up to the requirements)The main reason for the crack is to cool down too quickly.Solution: control the cooling rate, slow exhaust steam.The above is the calcium silicate board equipment in the production of prone to stick, blank, cracks and other phenomena of the reasons and solutions, if you encountered similar problems in production, you can have some reference.
- Q:What heat preservation material is used for thermal insulation of steam pipe in power plant? How thick is the bag? Please advise!
- Steam pipe in power plant thermal insulation rock wool board thickness, according to the temperature in the pipeline to choose, the higher the temperature insulation thickness is generally 80 to 150 mm.
- Q:Eterpan with calcium silicate is sold on the market are the same thing? Non asbestos calcium silicate board is Eterpan it
- The market is generally understood, but in fact, Eterpan belongs to Guangzhou eternit limited production of the 100 year history of eternit brand board, because the cement product is Belgium hetet group invention.
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Gypsum board
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