Ceramic wheel

Part two: Types and specifications:

Ceramic wheel used for enamel insulated wire or silk thread qpproriate amount guiding, the china circle makes from precise ceramics, the surface smoothness that the china marks with a circle reaches Ra 0.2, moves up and down when rotating being smaller than 0.15, material selects and uses 99%'s AL203, hardness HRa 88, density 3.85.

Part one : Description of this product

Ceramic wheel used for enamel insulated wire or silk thread qpproriate amount guiding...