磨砂工序是油漆施工中的关键工序,也是成品质量优劣的重要一环。白槎磨砂纸可以分为松木面和硬杂木面两种,磨法也不相同。砂磨按施工方法又分为干磨、水磨、油磨、蜡磨、牙膏抛光和打磨六种,一般起五个作用,即去污、找平、找色、产生毛面和出光。 The frosting process is a key process in paint construction and an important part of the quality of finished products. White sandpaper can be divided into two types: pine wood and hardwood, and the method of grinding is not the same. Sanding according to the construction method is divided into dry grinding, water mill, oil mill, wax mill, toothpaste polishing and grinding six kinds, generally from the five roles, namely decontamination, leveling, find color, produce hair surface and light.