Rough polishing of Making Crafts

- Aug 06, 2019-

Rough polishing: it is to press the rough embryo out of the mold and grind the engraved line of the finished product directly with the diamond disc.

 Crystal brittle, pay attention to prevent pressure, fall, high temperature, strong alkali, strong acid.When moving crystals, it is best to wear soft cotton gloves to avoid staining the collection with grease on your hands.When lifting crystal article, do not hold the coping that crystal places an article or epitaxial place, the base that should clutch crystal or whole body.Discover crystal to collect on have dirt, do not use feather brush, and should with light soft and the cloth that does not contain downy brush dust gently, do not force wipe, lest wear out crystal.

2crystal rough grinding