Sillimanite Refractory Brick

Quantity Order:

Origin:

China

Pack. & Delivery:

wooden case

This series products have been developed on the base of low creep bricks,which are characterized by high thermal shock stability besides low creep.In 2003,it passed the technical verification organized by Science and Technology Bureau of Henan Provincial Government and was evaluated as holding the international leading level.In the same year,we provided Baosteel Group with over 2300 tons of such products for its hot blast furnace(blast furnace 4350m3 in volume) and all performance and indexes were proved to exceed the those of imported products of the same kind.

Typical technical specification:
Model:WH21
AL2O3:Min75%
Fe2O3:Max1.0%
Apparent porosity:Max21%
Bulk density:Min2.70g/cm3Cold crushing strength:Min70MPa
0.20MPa RUL:Min1700C
Permanent Linear Change at 1500C*4h:-0.2-+0.2%
0.20MPa creep rate at 1500C*50h:Max0.8%
Thermal shock resistance(1100C water cooling):Min15cycles

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