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Zinc-dust paints comprise fine metal zinc powder in a binding agent which can be air-drying and hardening (one-compo-nent) or drying and chemically hardening (two-component). The metal zinc content in the dried paint film should be a mini-mum of 90% by weight. Air-drying and hardening zinc-dust paints are mostly used for repairing small areas ...
How to repair weathered paint on aluminium / zinc galvanised steel. Paint Guide AW011 I am going to work on a surface above the waterline change; ... 6.4 For small repairs again. Apply the paint thinner towards the outer edges of the repair so reduces the edge thickness which will help make the repair less noticeable.
Roll or brush the paint onto the surface ensuring that a good even film of paint is applied. For additional information related to your specific product, please refer to the datasheet, the label on the can or further information on this website. Allow the paint to dry as per datasheet or label on the can. 5.4 For small repairs
4 Δεκ 2000 · Zinc metallizing involves spraying zinc on the surface to be repaired with droplets of molten metal, using wire, ribbon or powder processes. The surface area should be clean, dry, and free of the grease and corrosion products.
1.2 This practice describes the use of low melting point zinc alloy repair rods or powders made specifically for this purpose, the use of paints containing zinc dust, and the use of sprayed zinc (metallizing). 1.3 The extent of repair shall be limited to an area mutually agreeable to the contracting parties. Similarly, contracting
Zinc spray, or metallizing, is done by melting zinc powder or zinc wire in a flame or electric arc and projecting the molten zinc droplets by air or gas onto the surface to be coated. The zinc used is nominally 99.5% pure or better.
Inorganic zinc-rich paints, which adhere to the steel with mild chemical reactivity, have good solvent resistance and can withstand temperatures up to about 700 F (375 C). Inorganic zinc-rich paints do not chalk, peel, or blister readily, are easy to weld, and provide simpler cleanup than organics.
