Scraping gum, is used for the strip in the process of silk screen printing, also known as the stencil.
Most of the PU material, according to the characteristics of the substrates of silk screen printing, printing design accuracy requirement, and the different way of printing, can choose different hardness and different cross section shape of scraping gum.
The hardness of the rubber hardness refers to the surface.
Often said to shaw hardness, are: 55, 60 degrees, 65 degrees, 70 degrees, 75 degrees, 80 degrees, 85 degrees.
Cross section shape usually have a right Angle, Angle and circular arc to wait for a few kinds.
Tags: synchronous belt transmission belt