新加坡公司求购刚玉砂，天然金刚砂，天然石榴石，天然磨料，氧化铝，塑料废料，塑料切片。
Emery, Natural Corundum, Natural Garnet, Natural Abrasives, Aluminum Oxide, Waste Of Plastics, Parings Of Plastics, Iron.
氢氧化铝比重2.4莫氏硬度3。比磨料加得更多的填充物。有衰退趋势，但耐磨性好。将抛光对偶。
Aluminum Oxide Specific gravity 2.4 Moh hardness 3. More a filler than an abrasive. Tends to fade, but has good wear resistance. Will polish the opposing surface.
陶瓷行业：研磨料、氧化铝、瓷泥浆、粘土泥浆、玻璃粉、耐火材料、石英砂、PVC树脂粉粒、柠檬酸、聚乙烯粉、洗衣粉等。
Ceramic industry: abrasive materials, alumina, porcelain clay mud, mud and superfine glass powder, refractory material, quartz sand, PVC powder grain tree, citric acid, PE powder, washing powder, etc.
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