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Diatomite insulation brick, Expanding pearlite insulation products

Light series refractory products have higher MOR, high strength and small reheating linear change. They are excellent heat insulating material used at industrial boilers and other thermal engineering facilities .

Light weight insulating brick
　

Brands Items	pearlite insulation brick		Diatomite insulation brick
Brands Items	0.4	0.6	GG-0.4	GG-0.6
BD, g/cm³	≤0.4	≤0.6	≤0.4	≤0.6
CCS, MPa	≥0.5	≥0.8	≥0.6	≥0.8
PLC, ％	900℃	900℃	900℃	900℃
PLC, ％	≤2	≤2	≤2	≤2
TC, W/m*k （350℃±5℃）	≤0.06	≤0.08	≤0.13	≤0.17
Al₂O₃, %	10-15	10-15	25	25
Used temperature, ℃	≤200	≤200	≤300	≤300
Using properties	Low TC and excellent heat preservation

Expanding pearlite insulation products

Brands Items	200	250	300	350
BD, g/cm3	≤0.2	≤0.25	≤0.3	≤0.35
TC, W/m*k （350℃±5℃）	≤0.056	≤0.064	≤0.072	≤0.080
CCS, MPa	≥4	≥5	≥5	≥5
moisture content, %	≤2	≤2	≤3	≤4
The using temperature is: ~900℃.

The product is made mainly from expanding pearlite. Mixing with binders, they are made into boards, pipes, shells etc. The using temperatures is ~900℃. They have low thermal conductivity so they are widely used in industrial boilers and other equipments.