Covalence® 3 Layer HTLP Series
Heat-shrinkable, 3-layer field joint coating system
A three-layer system consisting of a 100% solids two-component liquid epoxy primer and a heat shrink sleeve made from a high shear strength co-polymer adhesive and irradiation cross-linked, high density polyethylene backing. This coating system replicates the structure and the performance of factory applied three-layer PE coatings.

- Features & Benefits
- Product Range
- Downloads
Features & Benefits
Features
- Dimpled backing provides a 'Permanent Change Indicator' for proper application
- High density polyethylene backing
- Low preheat requirements
- High operating temperature rating
- UNI sleeve design with bonded closure
Benefits
- Ensures correct application heat and allows easy post-heat inspection
- High impact and penetration resistance - tough but flexible, even at low temperatures
- Installation friendly in combination with high functionality
- Fully resistant to shear forces induced by soil and thermal movements
- A wraparound heat-shrinkable designed for quick installation
Product Range
Code | Name | Description |
---|---|---|
Available on request | HTLP60-DCS | A 3-layer wraparound heat-shrinkable sleeve which replicates the structure and the performance of factory applied three-layer PE pipe line coatings operating at 65°C max. Complies to EN12068 C50 UV |
Available on request | HTLP80 | A 3-layer wraparound heat-shrinkable sleeve which replicates the structure and the performance of factory applied three-layer PE pipe line coatings operating at 85°C max. Complies to ISO21809-3 Type 2B and EN12068 C80 UV |
Available on request | HTLP80-HP | A 3-layer wraparound heat-shrinkable sleeve which replicates the structure and the performance of factory applied three-layer PE pipe line coatings operating at 85°C max. Complies to ISO21809-3 Type 14-B2 and EN12068 C80 UV |
Available on request | HTLP PP | A 3 layer wrap-around heat-shrinkable sleeve which replicates the structure and the performance of factory applied three-layer PP pipe line coatings operating at 120°C max. Complies to ISO 21809-3 Type 14-D1 |
Available on request | S1301-M | 100% solid epoxy to be used with HTLP60-DCS, HTLP80, HTLP80-HP, DIRAX |
Available on request | S1401-M | 100% high build solid epoxy to be used with HTLP80, HTLP80-HP |
Available on request | S1401 | 100% high build solid epoxy to be used with HTLP-PP |
Downloads
Name | Description | Language | Download |
---|---|---|---|
PDS Covalence HTLP60-DCS | Product Data Sheet | English | download |
PDS Covalence HTLP80 | Product Data Sheet | English | download |
PDS Covalence HTLP80-HP | Product Data Sheet | English | download |
PDS Covalence HTLP PP | Product Data Sheet | English | download |
PDS Covalence S1301-M | Product Data Sheet | English | download |
PDS Covalence S1401-M | Product Data Sheet | English | download |
PDS Covalence S1401-BLK | Product Data Sheet | English | download |
For more information and downloads, visit our distributor portal.