Substation Equipment – Transformer and Regulator Cooling Fins (flo-coat only)

SUBSTRATE CONDITION
RANKING
ENVIRONMENTAL
RANKING
SURFACE
PREPARATION
PRODUCT NAME # OF COATS FILM THICKNESS
(MILS DFT)
A
Previously painted, no or light rust
R-1, R-2 Mild to Moderate
C-1 to C-3
SSPC-SP2 Full Prime – P30 Primer
Full Finish – Indurasil Enamel
1
1
2.5-4.0
1.5-2.5
B Previously Painted Moderate Rust R-3 Moderate to Severe
C-3 to C-4
SSPC-SP2,
SSPC-SP3
Spot Prime - P30 Primer
(spray or brush)
Full Intermediate – P30 Primer
Full Finish – Indurasil Enamel
1
1
1
2.5-4.0
2.5-4.0
1.5-2.5
C Previously Painted Heavy Rust R-4, R-5 Moderate to Severe
C-3 to C-5m
SSPC-SP3,
SSPC-SP6 or SSPC-SP7
Full Prime – P30 Primer
Full Intermediate – P30 Primer
Full Finish – Indurasil Enamel

1
1
1
2.5-4.0
2.5-4.0
1.5-2.5