<p>good durability, no aging problems, long service life. Green and environmental protection: no radioactive substances and harmful gases are generated during use. The independent micro-bubbles can make the gas ultra timber landscape timbers concrete products have certain impermeability and prevent the penetration of water and gas.Fireproof board classification Mineral wool board, glass wool board This kind of sheet has good high temperature resistance and light texture, but the strength is poor.</p><p> The short fiber will cause respiratory system damage to the human body. The strength of cement board cement board is high, but the fire resistance is poor, and it is easy to how to build livestock railings burst and perforate in the fire.</p>