Scotchkote 323 Liquid Epoxy, by 3M

General Application Steps

For use as a joint coating, a refurbishing coating or as a pipe coating:

1. Remove oil, grease and loosely adhering deposits.
2. Abrasive blast clean the surface to NACE No. 2/SSPCSP10, ISO 8501:1, Grade SA 2 1/2 near-white metal.
3. Ensure the abraded surface is cleaned of abrading debris with the use of an air blast or a clean lint free cloth.
4. Within four hours of blasting as per the above cleaning process and with the metal above 41˚F / 5˚C and a minimum of 37°F/3˚C above the dew point, apply Scotchkote 323 at a minimum thickness of 635 microns or 25 mils.
5. Allow to cure.
6. Visually or electrically inspect the coating for defects.
7. Repair all defects using Scotchkote 323 as a repair material.
8. For use as a repair material in the field where scratches or other holidays may have occurred as a result of shipping damage, etc., and the bare area of steel substrate exposed exceeds approximately 20 mm diameter or about 0.6 sq. in. or 400 sq. mm:
9. Remove oil, grease and loosely adhering deposits.
10. Abrade the FBE surface with medium grit sandpaper (approximately 80 grit). Powered rotary sanders are anacceptable means to perform this task. Ensure that the surrounding FBE is roughened for 10 mm on all sides.An anchor pattern of 40 to 100 microns is preferred on the substrate.
11. Ensure the abraded surface is cleaned of abrading debris with the use of an air blast or a clean lint free cloth.
12. With the metal above 41˚F/5˚C and a minimum of 37°F / 3°C above the dew point, apply Scotchkote 323 at a minimum thickness of 635 microns or 25 mils.
     

Scotchkote 323 Coverage per Kit Size
              (assuming no waste)