vermiculite fireprrof brick 1material:vermiculite 2 working temp:1100 3 size:2440x1220mm 2100x900mm 4.passed ISO9001:2000.
vermiculite fireproof brick1 Material:silver vermiculite2 Working temp:1100 3 Size:2440x1220mm, 2100x900mm,
Thickness: 20mm-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) |
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vermiculite fireproof brick
