Substrate: Untreated Cold Rolled Steel

Duration: 500 Hours

ASTM D714: Medium #8 Blister With Red Rust

ASTM D1654: Unscribed Area Rating#6*
Scribed Area Rating #9*


Substrate: Hot Dip Galvinizing Steel

Duration: 1,000 hours

ASTM D714: Medium #6 Blisters no red rust

ASTM D1654: Unscribed Area Rating #10*
Scribed Area Rating #10*