there are several standard mesh types. Most plastic media and abrasives are made of polyester, urea, melamine, or acrylic materials. Polyester media and polyester abrasives are the softest products.

Products include hand pads ... and JIS is the grading or grit-size standard used in Japan. In terms of features, abrasive pads differ in terms of backing or base type and mounting style. Backings are ...