Mainly applied in production of food-grade paraffin and pharmaceutical grade Vaseline. Product Characteristics Silicon aluminum carrier carrying tungsten, molybdenum and nickel metal components and auxiliaries. High activity and good decolorizing property Chemical Composition WO3, MoO3, NiO Packaging and storage Paper-board drum liner with plastic bags which suit for all kinds of transportation. Each Drum Net 25kgs. Load and lay carefully in transportation, do not destroy the package, avoiding rain. Storage in shady and cool, low-temperature and dry location. Period of quality assurance is 2 years in normal temperature.