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FAQ
- How many kinds of A-level fireproof and thermal insulation materials are there?
- Shenyang polystyrene board, extruded sheet, polystyrene particles, and polystyrene plastic plates...
- What are the characteristics of the carbon composite refractories?
- The features of carbon composite refractories: 1. It is with an aggressive high thermal shock resistance 2. Good resistance to molten steel and slag
- What are the standards of refractory concrete ?
- Heat-resistant concrete refers to the kind of concrete which remain undamaged, do not lose the necessary bearing capacity at 200 ~ 1300 ℃ high temperature for long term, and still maintain its physical and mechanical properties.
- What are the materials of class A fire resistant window?
- The filling materials of steel, wood frame should be non-combustible materials. Fireproof glass can use qualified products that do not affect the fire window fire resistance performance, whose light transmittance should be no less than 75% that of the commom sheet glass with the same layers. Sealing materials between the frame and fireproof glass should be nonflammable materials. Hardware fittings should be fixed supporting products that pass the test.
- what's the varieties of fire-proof?sealing?material?
- Fire blocking material currently on the market include: fire stopping board, foam blocking material, flame resisting module, fire-resisting sealant, flexible organic caulking, WXY-II and fire retardant bag, etc. fire-proof?sealing?material is widely used in building construction and can ensure high-temperature flame and smoke from fires not spread to another fire?compartment, different buildings generally use different sealing methods. Pipeline is generaly sealed by pouring concrete board or mortar.
- What are the fire protection standards of insulation materials?
- According to the three versions of GB8624 (1997,2006,2011), the fire rating of external walls can be basically divided into: A1-, A2-, B1-, B2-, B3-level. The detailed divisions are determined by many technical indicators. It is a very professional and technical long story. Please contact QINGDAO SHANFANG INSTRUMENT CO., LTD for detail information, they are specialized in manufacturing fire rating testing instruments of external walls.
- can slag tailings be used to be the base materials of refractory materials ?
- perhaps not, because it has many pores.
- Is aluminium oxide refractory material?
- Calcination aluminium oxide is refractory material of fine performance made from pure aluminium oxide through high-temperature calcination. It can be made into coarse-grained material, fine-grained material, fine powder and micro powder, which can be made into pure jade burnt products. For example, corundum brick, lightweight corundum bricks. It can also be made into a variety of unburning products together with other materials, such as carbonaceous materials. For example, aluminum carbon and aluminium zirconium carbonaceous materials. As for the production of unshaped refractory material, there are more species. It can be corundum, rubing grain, corundum spinel and can also be added into other materials to improve specific performance. It isn't limited to high-alumina castable refractory and it can be castable refractory, ramming?mass, impressionable plastic material, gunning mix and refractory mortar.
