蛭石砖

Vermiculite is a mineral consisting of aluminums ferrous magnesium silicate. The vermiculite brick is mostly made of expandedvermiculite,and it has the following characteristics: Hot-face applications and back-up insulation, Good insulation value, High mechanical strength, High temperature resistance, withstand directflameimpingement, Water-tolerant, Insulate against heat and sound. It is harmless to the environment. The vermiculitebrick has not formaldehyde, benzene, toluene and xylene by the test. Mearsurement: 147×85×45 mm Density:580 kg/m3 Max. Service Temperature:1100 Compression Strength:1.48 MPaBendingStrength:1.11 MPaApparent Porosity:81%Thermal Expansion:@ 20 to 800 10.8×10-6K-1Linear Reheat Shrinkage: 12H @ 900 <1.0 %