Insimbi imbozwe nge-zinc ukusiza ukuvimbela ukugqwala.I-zinc ihlangana ne-oxygen lapho ivuliwe emkhathini, yenza i-zinc oxide ephinde ihlangane ne-carbon dioxide yakhe i-zinc carbonate.Imisa ukugqwala okwengeziwe ezimweni eziningi, ivikela insimbi ezintweni.
Sihlinzeka ngezinhlobonhlobo zeshidi lensimbi eliboshwe kanye nemikhiqizo yekhoyili, kufaka phakathi okucwiliswe ngokushisayo, okufakwe i-electro galvanized, aluminized,galvannealedkanye ne-galvalume.