Trade Lead Description:
Vermiculite is a mineral consisting of aluminums ferrous magnesium silicate. The vermiculite brick is mostly made of expanded vermiculite, and it has the following characteristics: Hot-face applications and back-up insulation, Good insulation value, High mechanical strength, High temperature resistance, withstand direct flame impingement, Water-tolerant, Insulate against heat and sound. It is harmless to the environment. The vermiculite brick has not formaldehyde, benzene, toluene and xylene by the test. Measurement: 147×85×45 mm
Density: 450---500 kg/m3
Max. Service Temperature: 1100
Cold Crushing Strength: 1.48 MPa
Hot Crushing Strength: @ 800 1.28 MPa
Modulus of Rupture: 1.27 MPa
Apparent Porosity: 81 %
Thermal Expansion: @ 20 to 800 10.8×10-6 K-1
Linear Reheat Shrinkage: 12H @ 900 <1.0 %
Posted from China - Hebei on 14 October, 2009
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