Anhydrous taphole clay refers to the taphole clay made of tar, resin, etc. as binders, and corundum, bauxite, clay, silicon carbide, coke powder, etc. as raw materials.

Item 项目		Anhydrous taphole clay 无水炮泥
		PN-1	PN-2	PN-3
Al2O3(%)	≥	20	25	30
Al2O3+C (%)	≥	30	30	30
Bulk Density 体积密度(g/cm3)	≥	1.65	1.70	1.80
Cold Crushing Strength 常温耐压强度(Mpa)	≥	8	10	15
Application 应用		Mainly used for blast furnace taphole 主要用于高炉出铁口