|
TEST |
PROTECTO 401 |
POLYETHYLENE |
|
160 °F DISTILLED WATER IMMERSION scribed panels Rated using ASTM D-714-8 |
24 months, slight red rust in scribe, no undercutting. |
1-1/2 months, delamination of film, test terminated. |
|
120 °F TAP WATER IMMERSION scribed panels Rated Using ASTM D-714-87 |
24 months, slight red rustin scribe, no undercutting. |
6 months, film curlsback l/2″ from scribe,test terminated. |
|
140 °F 25% SODIUM HYDROXIDE IMMERSION Rated Using ASTM D-714-87 |
24 months, no effect. |
1-1/2 months, delamination of film, test terminated.unscribed |
|
SALT SPRAY ASTM B-117 scribed panels |
24 months, red rust in scribe,no undercutting. |
1-1/2 months, l-1/2″ under-cutting at scribe. Testterminated |
|
Note: All materials were tested with an average film thickness of 40 mils on production-run ductile iron
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PROTECTO 401 VS. POLYETHYLENE
