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After 500 hours in the Seawater Spray (Fog) Chamber, the remaining
four test panels were subjected to the Seawater Immersion Resistance test, ASTM
D870. A plastic tank was filled with seawater and the panels were suspended
from a line with plastic shims between the panel suspension holes. The panels
were soaked in seawater for 336 hours (2 weeks), and then removed for final
inspection.
Results:
- Panel #2 Rust Bullet®
- Panel #5 Rust-oleum® Cold Galvanizing Compound
- Panel #8 POR-15® System (FAILED)
- Panel #6 Wasser® Brand System (FAILED)
The Wasser® Brand System panel (number 6) and
the POR-15® System panel (number 8) undercut by more than ¼ of an
inch, and were considered failures. The Rust Bullet® panel (number 2) and
the Rust-oleum® Cold Galvanizing Compound panel (number 5) still exhibited
good film integrity and were considered as passing this phase of testing.
Printed from National
Testing Standards, Inc., Certificate:
Test No. 4:
Method: After 500 hours of salt fog/spray the remaining
four test panels were submerged in sea water (ASTM D-870) for 336 hours (2 weeks).
Results: Panel numbers 6 and 8 undercut by more than ¼ of
an inch were considered failures. Panel numbers 2 and 5 still exhibited
good film integrity and were considered as passing this phase of
testing.”
(Report No.27935R2 National Testing Standards, Inc.)
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