high alumina refractory bricks with warranty (53) Online Manufacturer
Al2O3%: ≥90
Fe2O3%: ≤1.0
Al2O3: 1.0%
Fe2O3: 1,3%
Kepadatan massal: ≤1 g / cm3
Kekuatan Penghancur Dingin: ≥2 MPa
Al2O3: ≥75%
Refractoriness: ≥1780 ℃
SIO2: 54,2%
Al2O3: 45% ~ 70%
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