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Nitrided Products

Product Description

QINGDAO WESTERN COAST ADVANCED MATERIALS Co., Ltd. is a subsidiary company of Sunny Minerals (Qingdao) Co., Ltd. With special technology and experienced production method, QWCO provides a wide range of Mullite Insulating Bricks for the field of metallurgy, petroleum, ceramics, glass and other industrial furnace.

Brand Item Si3N4- SiC Sialon- SiC Sialon-Al2O3
DT ST SG
SiC    %  ≥ 71 70  
Si3N4  %  ≥ 20    
Al2O3 %  ≥     78
Sialon  %  ≥   20 18
Apparent Porosity    %  ≤ 18 16 16
Bulk Density( g/cm3)    ≥ 2.65 2.65 3.1
Cold Crushing Strength (Mpa) ≥ 150 150 120
Modulus of Rupture (Mpa) ≥ 30 35 12
High Modulus of Rupture  ≥ 1400º C× 0.5h (Mpa) 40 42 20
 
 

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