We used a grain size of 60, but weak adhesion. Also, as soon as you have the heat during use the bonded parts will solidify into beads. Because it is easy to hold heat for rough grain size, I want you to be stronger to heat a little more.
FRP and Polypate grinding
On 2010-12-22 20:52:13
The underlying paper is solid and hard to tear. Because this was the only double action paper of No. 40.