... large quantity of supplement. So we’ll focus on ultra-fine treatment, distribution of particle size, surface modified, cladding, re ... -fine aluminium hydroxide, unsaturated polyester, polyurethane hard foam and epoxy resin. The particle size can be regulated. Surface treatment ... 50.40.30.3Remark: 1. Provide cladding and coupling treatment such as silanes, phthalcoyanine grease, stearic acid and ...