High-quality Raw Pure Industrial-use mullite bauxite ...
al2o3 70% high temperature volume stability corundum mullite insulating refractory castable for glass kiln. $0.50-$5.00 Piece. 1.0 Pieces (Min. Order) ... Hot-selling factory direct sales of high-quality low-cement castables for high-temperature masonry. $150.00-$1,000.00 Ton.
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