产品描述： 3M 662XW: 完全可以替代3M 661X,与3M 661X 相比,有更厚的背基,更强的树脂粘合强度,因此更耐磨,切削效率更高,适用于光纤连接器的打磨和清洁. 通用尺寸:4.25"/5"圆片 通用粒度号:9, 6, 3, 1 & 0.5 micron 配合机器:光纤打磨专用机器 662XW+PSA=666XW PSA（PRESSURE SENSITIVE ADHESIVE压敏胶） 662XW 在光纤打磨中最常用到的是1/3/6MIC 0.1MIC:绿色 0.5MIC:白色 1.0MIC:淡紫色 1.5MIC:淡绿色 3.0MIC:粉红色 6MIC:棕色 9MIC:蓝色 15MIC:桔红色 20MIC:葡萄红色 30MIC:绿色 40MIC:琥珀色 60MIC:琥珀黄色 3M 662XW Discs Common Conversions: 4.25” & 5” discs Source of Supply: US Grades Available: 9, 6, 3, 1 & 0.5 micron Description: Slurry coated for extra fine finishing. Applications: Polishing fibre optic connectors. Machine Systems: Compatible with disc machines in fibre optic industry. Thicker diamond coating and harder resin provide added durability and increased cut rate over standard type. Long lasting, clean polishing, premium diamond abrasive. Used primarily for fiber optic connector polishing.