Sell silica bricks @China (Mainland)

SiO2 (%) ≥

94

95

94

Al2O3,(%)  ≤

1.2

1.0

Fe2O3 (%) ≤

1.3

1.2

1.5

Refractoriness (C) ≥

1710

1710

1710

Refractoriness under load

0.2 MPa (C),≥

1650

1650

1650

True density (g/cm3) ≥

2.34

2.33

2.37

Apparent porosity(%) ≤

22

19

22

Cold crushing strength (MPa) ≥

30

35

30

Residual quartez (%) ≤

1

1

Linear change after reheating

1450C×2h  (%)

+0.2

+0.2


Post by Margaret zhang    Minerals & Metallurgy    @2012-07-12 10:11:49

  • Country:China (Mainland)
  • Contact Person:Margaret zhang
  • Company:Yangquan Huaxu International Trade Co.,Ltd