亚洲国产免费视频电影,免费在线三级片网站,人妻制服丝袜无码视频,亚欧乱色视频在线观看

Your Current Position:  PRODUCTS > Modified rosin series > Water-white Hydrogenated Rosin

Water-White Hydrogenated Rosin

This series of products are refined from hydrogenated rosin or high-hydrogenated rosin that are eliminated impurities and the coloring radicals; Mainly used in solid or liquid solder flux, hot melt adhesive and as raw material of light-colored rosin resin.