| 3 Layer Polypropylene Coating |
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Operating Conditions
3 layer polypropylene coating provides excellent corrosion protection, based on the use of a fusion bonded epoxy primer with the mechanical protection afforded by polypropylene. Suitable for application on water, oil and gas pipelines at service temperatures up to 140°C, 3LPP has an excellent track record.
Application and Standards
Wasco Coatings applies 3LPP in accordance with recognized international standards such as CSA Z245.21., DIN 30670, DIN 30678 and NF A49-711, as well as many customer specifications. Where required, Wasco Coatings can provide details of in house specifications for this product, or to help develop a project- specific coating specification.
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| Typical Properties |
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| Description |
Reference Standard |
Typical Value* |
| Cathodic Disbondment |
CSA-Z245.20-02 (12.8)
24 hours,3.5V, 65°C
28days, 1.5V, 20°C |
1.5 to 2.5
2.5 to 3.5 |
| Adhesion |
CSA-Z245.20-02 (12.14)
75°C, 24 hours |
Rating 1 |
| Impact resistance |
DIN 30670 |
20+J |
| Hardness |
Shore D ASTM D2240-97 |
62 |
| Flexibility |
CSA-Z245.20-02 (12.11)
3°/PPD @-30°C |
Pass |
| Minimum Pipe Diameter |
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4.5" |
| Maximum Pipe Diameter |
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60" |
| Minimum Pipe Length |
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9.0 m |
| Maximum Pipe Length |
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24.4 m |
| Minimum Operating Temperature |
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-20°C |
| Maximum Operating Temperature |
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140°C |
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| *Typical values are quoted but may vary as a result of surface treatments and materials used. |
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