BLUESCOPE Zacs® 90 steel is certified by Thai Industrial Standards (TIS 2228-2548). The coating is composed of Zinc-Aluminum 55% with coating mass of 90g/m2 offers a high level of corrosion. BLUESCOPE Zacs® 90 steel is longer lasting and more thermal efficient than zinc galvanized steel, giving longer lasting in every environment conditions with 10 years warranty. Resistant to all weather conditions and help reduce damage form rain and hail. Anti-Lead Production and easily for standard rollformed.