... , color, flavor, particle size, solubility and bulk density etc, they are very close, or sometimes ... Special requirements (if any): range of specific bulk density, color, and flavor etc.4. Working ... formaldehyde resin, polyethylene, polyvinyl chloride, etc.Detergent: advanced washing powder, normal washing powder, soap powder, soda powder, emulsifiers, brighteners, phosphoric acid agents.Chemical ...