 |
| 1. |
Testing
of raw material example determination
of Gel time of epoxy power, melt flow
index of polypropylene and other tests. |
| 2. |
Inspection
of pipe prior to shot blasting. |
| 3. |
Checking
pipe surface after shot blasting. |
| 4. |
Checking
the blasted profile and depth of anchor
pattern. |
| 5. |
Checking
temperature of pipe prior to acid
wash (Note: Acid Wash is carried out
to remove traces of chlorides from
pipe surface when specified by the
client) |
| 6. |
Monitoring
of Chromate Wash. |
| 7. |
Checking
and monitoring of pipe temperature
prior to Fusion Bonded Epoxy application. |
| 8. |
Checking
and monitoring of pipe Bonded Epoxy
thickness. |
| 9. |
Checking
and monitoring the Copolymer Adhesive
and High Density Polyethylene extruder
temperature. |
| 10. |
Checking
of time lag between application of
Fusion Bonded Epoxy Powder and that
of Copolymer Adhesive Layer and monitoring
it to be within the gel time of Fusion
Bonded Epoxy being used. |
| 11. |
Checking
and monitoring thickness of Copolymer
Adhesive and High Density Polyethylene/Polypropylene. |
| 12. |
Holiday
detection of 100% pipe surface. |
| 13. |
Checking
thickness, appearance and uniformity
of coating and coating cutback. |
| 14. |
Checking
final marking. |
| 15. |
Conducting
peel test and Impact test. |
| 16. |
Conducting
cathodic disbondment test. |
| 17. |
Inspection
of the time of pipe storage and pipe
loading on customer’s trailers. |
| 18. |
Testing
for determining percentage elongation
of High Density polyethylene/Polypropylene. |
| 19. |
Hot
water soak resistance test |