CALCITE POWDER HS CODE 25309030 we offer calcite powder, white washing powder, calcite crystal, calcite grit, calcite granules and micronized calcite. Calcite Powder Use in Plastic: Calcite mineral widely used as mineral fillers in order to obtain high humidity retention, to improve the consistency and dryness of the final mass. These polymers have various applications like in bags, pipes, automotive parts, furniture, containers if etc