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Smält mullit

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Smält mullit

The "Jun" brand fused mullite main raw materials are industrial alumina and high-quality quartz sand, which is smelted by large high-temperature electric arc furnaces. Fused mullite is the only stable binary compound in alumina-silica dual system. lt...
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The "Jun" brand fused mullite main raw materials are industrial alumina and high-quality quartz sand, which is smelted by large high-temperature electric arc furnaces. Fused mullite is the only stable binary compound in alumina-silica dual system. lt is a high-quality refractory material. The colors are gray -white, needle shaped, cylindrical crystals, and high bending strength. lt has the
characteristics of uniform expansion, good thermal shock stability, highly refractoriness under load, small high temperature creep value , high hardness,good anti -chemical corrosion etc. With its excellent heat shock resistance and abrasion resistance, it is widely used in glass kiln body furnace lining bricks,alkaline -free glass sedimentation tank mullite bricks, large smelting blast furnace hot air furnace bricks, blast-furnace low creep sillimanite brick, ceramic kiln furniture, saggar, petrochemical and other industries are raw materials for high -end refractory materials.

Fysikaliska egenskaper och kemisk sammansättning

Artikel Standard
Sammansättning (%) Garantivärde Typiskt värde
AlXNUMXOXNUMX 72 ~ 76 74.10
SiOXNUMX 23 ~ 27 25.08
Fe2O3 ≤ 0.10 0.05
R2O ≤ 0.50 0.18
Mullite phase(%) ≥ 93
Glasfas (%) ≤ 7
Coeffcientof linear expansion (1/℃) -6.0x10
Bulkdensitet (g/cm3) ≥ 2.9
Partikelstorlek 0~1~3~5~8mm,180 mesh,200 mesh,240 mesh,325 mesh
Inspektionsstandard GB/T21114-2007;GB/T2999-2002
Förpackning Inre plast och extern vävning 25KG/påse (kan anpassas enligt kundens krav)

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