Rust

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m (Notes)
m (Notes)
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The fact that POR-15 is not used by manufacturers is also important.
 
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:
+
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.
+
*Although sandblasting may appear to have removed all the rust to the naked eye, it hasn't really done so.
**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.
+
*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.
+
*Even high grade epoxies and finishes are not 100% impermeable to water and air.
  
  

Revision as of 11:55, 3 August 2006

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