Detailed Product Description Refractories for Glass Kiln This series products include low porosity firecaly brick, ... O3, %, ≥424570806048ZrO2, %, ≥-----32SiC, %, ≤38---28-Fe2 O3, %, ≤1.61.01.21.0-1.0AP, %, ≤141219181818Refractoriness, %, ≥BD, g/cm3, ≥ 2.42 ... copper and aluminum industry, batts, flame-seperating plate and kiln furniture of various kiln and furnace in ceramic industry, cement rotary ...