棕刚玉炉盖/次一级砂 Brown Fused Alumina Corundum cover/Sub-first sand

酬诚矿业生产的棕刚玉次一级砂为优质棕刚玉炉盖块料制做而成，具有粒度标准、磨削力高、自锐性好、韧性强、清洁度好、体积密度大，耐高温等特点，适用于砂轮、切割片、角磨片、树脂切片、磨光片、超薄砂轮片、抛光、喷砂除锈等行业，也是优质的耐火原料。
 
Sub-first rank corundum sand, produced by the Choucheng Mining are made of high quality brown fused alumina furnace cover block material, it owns granularity standards, high grinding capacity, good self-sharpness, strong toughness, good purity, large volume density, high temperature resistance and other characteristics, and is suitable for grinding wheel, cutting sheet, angle grinder, resin slices, polishing sheet, polishing,sandblasting and derusting and other industries,it is also a high-quality refractory raw materials.