The dry film contains 95% zinc (purity 98.5%) and 5% aluminium (purity 99%). The pure zinc guarantees corrosion protection. For hot-dip galvanisers and locksmiths to touch up welds or after grinding work. The coating darkens in the same way as hot-dip galvanising. Tested according to DIN 50 976 (dry film) DIN 53 167 (salt spray test).