Media blasting
(→Different types of media) |
(→Sandblasting sheet metal) |
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Sandblasting sheet metal is controversial, and often ill-advised. | Sandblasting sheet metal is controversial, and often ill-advised. | ||
| − | * | + | *Sand blasting of thin sheet metal causes peening that may cause the metal to ding, warp, or pit. Be aware of this, especially if you are going to be doing a long, flat, unsupported body panel. The best way to avoid this on long spans is to spread out the blast from the gun so that not one area receives the brunt of the abrasive blast for a long period of time. It also gives it time to cool. |
*Sand creates chloride ions and corrosive salts that promote [[Rust|rust]]. | *Sand creates chloride ions and corrosive salts that promote [[Rust|rust]]. | ||
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