国产精品综合视频,日本本亚洲三级在线播放,日韩三级αⅴ电影网站,久久国产香港三级,欧美一区中文字幕,好男人好资源在线视频观看影院,天天射天天爱天天干

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.