Added to the resin, silica assurance can be improved resin moisture and insulation. Filled in plastic products, silica, increase skid resistance and oil repellency. For gray plastic, the use of fine carbon black pigment often exhibit brownish gray, coarse particles of carbon black pigment can produce bluish gray silica _ _ Weifang Fuyuan provided by the manufacturers of silica Weifang Fuyuan Environmental Protection Technology Co., Ltd. . Silica _ _ Weifang Fuyuan silica manufacturers are Weifang Fuyuan Environmental Technology Limited (www.wfdafuyuan.com) (www.wfdafuyuan.com) this year introduced a new upgrade, the above picture is for reference only, please call Tel This page or image on to obtain the latest information, contact: MGA.