It is inorganic material that contains SiO 2 47~79%,CaO 42~44% and MgO 0.6~1%.

The thermal conductive coefficient ≤0.07W/m.k，

bend strength ≥0.6~0.7MPa，

standing temperature 1000℃，

linear shrinking rate ≤2% （1000℃，3H），

LOT: 6~9%，

PH value: 7~9

It is a kind of green environment protection building material without any noxious order and irritant smoke when under high temperature.

It passes the test INTERTEK issued by North Armenia fireproof door; the limited fire resistance is up to for 90 minutes. Density can be 230kg/m3 and 270kg/m3, thickness can be 30-120mm, size can be 500mm x 500mm, 1000mm x 500mm and 1050mm x 850mm and we also can process small size to big one as per the customer’s requirement.

It is a good material for making fireproof board and sound insulation door.