Disc sandpaper can be divided into two types: non-porous disc sandpaper and perforated disc sandpaper. Disc sand with holes is convenient for waste chips to be discharged from the holes when polishing the objects, so as to advance the grinding efficiency. Disc sand Lord if stick shift at high speed, special machine or mobile phone on the disk operation, with sand paper burnish, mostly lacquer kind of grinding for hard and brittle, is very convenient to end with, but the disc sand in the process of operation will produce a lot of dust, affect vision health, this is also the disc sand in dominating a can prevent shortcomings.
Water sandpaper dip in water or spout water grinding can be in the operation process can reduce wear marks, forward coating smoothness, and thrifty material, not laborious. However, after the watermill should be faced with spraying the lower layer, and to wait for the watermill layer complete dry ability coating the lower layer of paint, otherwise the paint layer is very easy to white, some water-absorbent strong substrate does not recommend the watermill, is to ensure the working quality of disk sandpaper, should be polished before grinding tools for testing.
Sandpaper is used at every scale of life, from plastics to hardware to construction to automobiles. Various industries for sandpaper operation requirements are not the same, some comply with the characteristics of grinding tools, some comply with the appearance of sandpaper, material and other characteristics of the choice of sandpaper. Disk sand is also a kind of sandpaper, and disk sand is due to the appearance and operation of the system is not the same, so give it a head name, is also a sand paper in addition to a kind of abbreviation.