... time.4. Usage: Natural color sand are the main raw material of the stone lacquer, natural real paint, granite paint, anti-stone ... -burning, waterproof, corrosion-resistant, non-toxic, colorful and attractive, such as strong adhesive characteristics, natural color sand can produce into new ... -80, mesh 80-120, mesh 120-200, mesh 200up.7. As manufacture, we can supply you the products at competitive price ...