Min. Order Reference FOB Price
1 kg US$350.00-700.00 / kg
Product Description
SILICA GEL BLEACHING SAND Silica gel bleaching sand is made of silica gel, its main content is SiO2 , which is environmental than other material, it is widely used in waste oil refining, such as waste black diesel oil, red diesel oil ,dark color diesel oil, dark color engine oil(this need pre-treat ...