砂砾 (24# -1500#) 代表什么?

3月 10, 2023
公司动态 view:213

First, we would like to introduce that our abrasive brushes are made of diamond or silicon carbide wires and plastic plinth.

Secondly, the abrasive wires are mainly composed by nylon PA612 / 610 and diamond grains / silicon carbide grains.

Actually, the grit number represent the size of diamond or silicon carbide grains.

Grit =grain size= quantity of holes per inch (1inch=25.4mm), for example, 24# grains can pass 16# mesh but can’t through 36# mesh, because 24# grains is smaller than 16# grain, but bigger than 36# grain

Rough polishing grit: 16# 24# 36# 46# 60# 80# 

Medium polishing grit: 120# 180# 240#

Fine polishing grit: 320# 400# 600#

Precision polishing grit: 800# 1000# 1200# 1500# 1800#

Grains sizes arrayed from biggest to smallest is: 16# > 24# > 36# >60# > 80# > 120# > 180# > 240# > 320# > 400# ……

Let’s show you one picture



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