Rust
m (→Notes) |
m (→Notes) |
||
| Line 19: | Line 19: | ||
#The lack of rust preventive products in non-hobbyist industries does appear suspect. For example, why don't ships at sea use POR-15? | #The lack of rust preventive products in non-hobbyist industries does appear suspect. For example, why don't ships at sea use POR-15? | ||
#The major paint manufacturers like Sherwin Williams, PPG, and DuPont don't produce a POR-15 like product. This is thought to be because they couldn't possibly warranty such a product. | #The major paint manufacturers like Sherwin Williams, PPG, and DuPont don't produce a POR-15 like product. This is thought to be because they couldn't possibly warranty such a product. | ||
| + | #The fact that POR-15 is not used by manufacturers is also important. | ||
| − | + | *Can sandblasting "increase" rust? Or, if the rust is removed and the metal is sealed, shouldn't it be eliminated? Some thoughts on this are: | |
| − | + | **Although sandblasting may appear to have removed all the rust to the naked eye, it hasn't really done so. | |
| − | Can sandblasting "increase" rust? Or, if the rust is removed and the metal is sealed, shouldn't it be eliminated? Some thoughts on this are: | + | **It's caused by water in the air compressor line, as sand will harbor some moisture. Also, compressed air contains moisture. And, sand has salt in it. A moisture trap in the line should solve the problem with the water in the air line. |
| − | *Although sandblasting may appear to have removed all the rust to the naked eye, it hasn't really done so. | + | **Even high grade epoxies and finishes are not 100% impermeable to water and air. |
| − | *It's caused by water in the air compressor line, as sand will harbor some moisture. Also, compressed air contains moisture. And, sand has salt in it. A moisture trap in the line should solve the problem with the water in the air line. | + | |
| − | *Even high grade epoxies and finishes are not 100% impermeable to water and air. | + | |
Your Privacy Choices