Phosphoric acid as metal pretreatment
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| − | The use of phosphoric acid-based products as metal pretreatments is controversial in hotrodding. Proponents favor its low cost and ease of use, while opponents cite the problem of acid film leading to topcoat failure. | + | The use of phosphoric acid-based products as metal pretreatments is controversial in hotrodding. Proponents favor its low cost and ease of use, while opponents cite the problem of acid film leading to topcoat failure, especially when exposed to UV radiation. |
Phosphoric acid converts [[rust]] to black ferric phosphate. | Phosphoric acid converts [[rust]] to black ferric phosphate. | ||
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