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PROTMAX (CECRI) ANTCORROSIVE TREATMENT PROCESS |
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PERFORMANCE DATA |
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Tests Spec: ASTM A775/775M-84 |
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| Chemical Resistance Test - 45 Days | |
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3M Cacl2 |
No softening, swelling, blistering or cracking was observed at the end of 45 days. |
| 3M NaOH | |
| Saturated Ca(OH)2 | |
| Distilled Water | |
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2V impressed voltage test (Accelerated Corrosion) |
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Medium: 7% NaCl Voltage Impressed: 2V Duration-1 hour |
At the end of 1 hour, no dissolution, no disbondment of the coating was observed |
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Technical Data |
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| Salt Spray test | 2000 Hours |
| Tolerable limit for chlorides | 10000 ppm |
| Salt fog test | > 2000 Hours |
| Alternate wetting & drying under load | >450 days |
| Bond Strength | meets IS:456 as per clause No.0.2.2.11 and 44 1.2 -Tested as per IS:2770(Part1) |
| Hardness using pencil hardness | 5H to 7H |
| Thickness of coating | 200 to 300 microns |
| Note: The above tests have been conducted by CECRI (Central Electro Chemical Research Institute) and results published in CECRI literatures. | |