欧美一二在线,日韩第三区,91极品国产,午夜视频在线视频,97视频在线观看播放,а√天堂资源中文最新版资源下载,亚洲成a人片777777久久

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.