Fireproof Perlite Vermiculite Door Core Board

vermiculite board in the construction
1 Material:silver vermiculite
2 Working temp:1100
3 Size:2440x1220mm, 2100x900mm, Thickness:15mm-50mm 4 Feature: innocuous;  rainproof;  insulative and mothproof. 5 Max working temp: 1100C 6 Continuous working temp: less than 1000C 7Cold crushing strength: 3hx800°C: 3.84MPa 8Heat Conductivity: 0.11W/mk 9

Items	Unit	BOR-170	BOR-220	BOR-270
Bulk Density	Kg/m3	170(±10%)	220(±10%)	270(±10%)
Pressure Strength	MPa	≥0.40	≥0.50	≥0.60
Flexural Strength	MPa	≥0.30	≥0.35	≥0.40
Thermal Conductive	W/m.k	≤0.048 +0.00011t	≤0.050 +0.00011t	≤0.056 +0.00011t
Temp. limit	degrees	1000	1050	1050
Linear Shrinkage	%	≤1.50 (1000,3hrs)	≤1.50 (1000,3hrs)	≤1.50 (1000,3hrs)