Sơn công nghiệp The resulting material has ether linkages and displays greater chemical and oxidation resistance than usually received by curing with amines or anhydrides. Due to the fact quite a few novolacs are solids, this class of hardeners is commonly used for powder coatings. Thiols[edit] Sơn Epoxy chống http://kevinl899vql6.newbigblog.com/profile