面砂又称虹彩,生于信鸽的眼睛底砂之上。其形状有粒状砂,苔状砂、绒状砂、竹根砂,盐碱状砂几种,是人们最简单辨认的砂型,也是人们最不重视研究的砂型。已故的信鸽的眼睛理论大师姜晨光先生曾留下这样铭言:“观察信鸽的眼睛的面砂,便知该鸽能否远距离回归。”故研究信鸽的眼睛面砂结构,同样具有重要作用。
获得的再生砂可直接用于面砂。
主要用于家具、门、窗表层漆面砂光及实木板、胶合板等板材表面精细抛光。
It's mainly used for the sanding of surface coats of furniture, doors and Windows and fine polishing of solid wood, plywood, and so on.
当对板面的平滑度,光洁度要求较高,在装饰之前可先对板面进行全面抹灰,再用打磨机砂光,然后进行涂饰面处理。
There is a strict requirement toward the smoothness of the plate surface. Before decoration process begins, the board should be sanded with sanding machine and then grinded completely.
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