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Stuffing sand

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Steelmaking material

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Product details

It has excellent anti-sintering performance, there are two kinds of materials : Silica and chrome, Normally, the free-opening rate of Silica stuffing sand is more than 95%, and the free opening rate of chrome stuffing sand is guaranteed to be higher than 98%

Item Name

Silica

Chrome

Chemical composition %

 SiO2 ≥94.5 ≤60
Cr2O3   ≥20
C  ≤2.5 ≤3.0

Grain compositon

 >1.9mm  ≤5  ≤5
≤0.5mm ≤15  ≤15

working temperature

   ≥650  1650

 

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