-520 Additives Characteristics:? Ultrahigh molecular weight polydimethylsiloxane dispersion. Providing a smooth and wear resistance,? Applies ink and water-based paint coating leather treatment, improve water resistance and good coating of anti-adhesive. ? Can be diluted with cold water in any ratio, good dilution stability. Properties: Appearance white emulsion non-volatile 80% PH 5.5-6.5 200000-700000CS thinner viscosity cold to use:? Dosage: general added at a concentration of 0.2-1%. ? Are generally added at the last stage and diluted with paint stage before adding the pre-dilution helps to spread in the system. Notes:? This product has not been found to be used in medical and pharmaceutical, non-food into the body. Storage matters:? At below 25 ℃ sealed, from the shelf life of 18 months from the date of manufacture of the product. ? Packing: 20KG / barrel, 175KG / barrel.