Insulation material of class A fire prevention is medium the fire prevention insulation material that fire prevention grade is class A, its basically have A1 class and A2 class stuff, class A has density to do not burn material small, thermal conductance is low, bear control capacity taller, construction convenient, economy is durable wait for a characteristic, use as extensively the heat preservation of the heat preservation heat insulating materials on facilities of pipeline of hot conduit, industry of hot equipment etc and industrial structure and industry and structure of civil building palisade, adiabatic, sound absorption material.
Our life middling uses at the material of heat preservation to have: Cliff cotton, mineral wool, vitreous cotton, expand pearlite, cellular glass, next masks say the character of material itself for body:
Insulation material
1, cliff cotton weighs rock wool again in our life, it is one kind by natural rock, mineral or the fleeciness record that industrial flotsam makes is short fine fibre, have Gao Kang piece intensity, fireproof sex, be able to bear or endure the characteristic such as chemical, thermal insulation, insulating property;
2, mineral wool is one kind plays a way with gush or centrifugal process makes the metallurgy scoria of melt condition garrulous record, have adiabatic, sound absorption, anti-corrosive, do not light wait for a characteristic;
3, vitreous cotton is a kind of fibre glass melt is changed, form data of fleeciness cotton account, have had shaped, bulk density is heat insulation of small, thermal conductance , heat preservation, sound-absorbing good, anti-corrosive, chemical function stabilizes function;
4, expand of pearlite with its good thermo-efficiency, exceed strong stability to function is accepted very well by the market and produce its effect, and applied range is wide, have general practical, especially in fireproof heat preservation energy-saving respect develops exceedingly good property;
5, cellular glass is wait by additive of cullet, vesicant, modified and epispastic accelerant, course grinding and after mixing equably, repass high temperature is fused, epispastic, anneal and the material of inorganic metalloid glass that makes, have moistureproof, fire prevention, anticorrosive effect.
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