發泡型磨刷是一種經過樹脂發泡處理的產品，其使用壽命長，加工效果細致，在研磨過程
中產生的碎屑非常小不會造成線路板基孔堵塞，同時其細致的加工線紋，避免了一些高密
度線路板加工過程中易發生的短路問題。
Foaming type non-woven abrasive brush is an after resin foaming processing products, the
service life is long , detailed research in processing effect .The debris generated in the process
of grinding is very small , will not cause the circuit board plug hole base .At the same time
detailed processing line , avoid The problem of short circuit of some high density circuit board
in the process is easy to occur.