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*