TEST |
PROTECTO 401 |
POLYAMIDE COALTAR EPOXY |
PERMEABILITY Procedure “A”of ASTM E-96-6642 Day Test Duration |
0.00 perms |
.22 perms |
NOTE: The lower the permeability rating, the less water borne chemicals can penetrate the lining. |
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IMMERSION in 20% sulfuric acid |
No blisters or delamination of lining after 24 months. |
Blisters over all of the tested area of lining after 3 months. Test terminated. |
SALT SPRAY 5% solution ASTM B 117-85 Scribed |
24 months No undercutting at scribe. No damage to panel. |
After 4.7 months no undercutting at scribe. No damage to panel |
NOTE: All materials were tested with an average film thickness of 40 mils. |