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refractories

Lightweight Insulating Castable

Lightweight insulating castable, a kind of monolithic refractory castable, is mainly made from lightweight refractory aggregate and mixed with powder materials, high alumina cement adhesive, dispersant, plasticizer, coagulant and other additives.

Light Weight Insulating Castable
Light Weight Insulating Castable

Physical and Chemical Indicators

ItemLightweight insulating castable
TrademarkCS-HA-06CS-HA-10
Al2O3  %6565
Maximum working temperature(℃)10001060
Bulk Density after drying(g/cm30.60-0.701.00-1.10

Bending Strength
MPa

110℃*24h≥0.5≥1.5
800℃*3h≥0.5≥1
Compressive strength (%)110℃*24h≥2≥5
800℃*3h≥1.5≥3
Linear change after sintering800℃*3h-1.5-0.7
Thermal conductivity 800℃ (w/m.k)≥0.18≥0.28
Application

Lightweight insulating castable has been widely used in insulating layers and linings of furnaces, thermal equipment, flues and chimney in metallurgy, machinery, petrochemicals, electric power, building materials and other industrial sectors.

Characteristics

Lightweight insulating castable owns characteristics of high working temperature, low thermal conductivity, good thermal insulation, small bulk density, weight reducing of furnace structure, etc.

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