What precautions should be taken when parts coated with PPA 571 are drilled, screwed, riveted or welded?
Plascoat PPA 571 is tough and elastic, but not hard. Coated articles should therefore be treated more or less like painted components. For screwing operations, large washers made of VA steel or plastics should be used. If holes are to be drilled in coated parts, scratching by hot drill chips can be avoided if the area at risk is protected with adhesive tape. Coated parts can also be welded, but the coating in the vicinity of the weld must be subsequently repaired. PPA 571H and HES are available for more demanding applications.
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