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FRDP heat shrinkable sleeve HSS bonds the steel substrate, FBE primer and plant-applied polyethylene coatings excellently to form a continuous and durable corrosion protection system on the pipeline.
The heat shrinkable sleeve system consists of a two-component solvent-free epoxy primer, a heat-recoverable radiation cross-linked polyethylene backing coated with a hot-melt adhesive layer and a closure patch.
FRDP 60C heat shrinkable sleeve can be used as either 2-layer or 3-layer sleeve system. It depends on whether liquid epoxy primer is needed or not. For added flexibility, the sleeve can be supplied as bulk rolls or pre-cut to the required pipe size.
| Property | Test Method | Value |
|---|---|---|
| Max. Operating temperature | - | Up to 55℃ |
| Backing | ||
| Tensile strength | ASTM D 638 | 24.2 MPa |
| Elongation | ASTM D 638 | 600% |
| Hardness, Shore D | ASTM D 2240 | 58 |
| Dielectric Strength | ASTM D 149 | 29.8KV/mm |
| Volume Resistivity | ASTM D 257 | 10^17 ohm-cm |
| Water Absorption | ASTM D 570 | ＜0.05% |
| Adhesive | ||
| Softening point | ASTM E 28 | 95 ℃ |
| Lap shear@23℃ | DIN30672 | 90N/cm2 |
| Installed Product | ||
| Peel Strength@23℃ | EN 12068 | 40N/cm |
| Impact Resistance | EN 12068 | ≥15J |
| Indentation resistance | EN 12068 | Pass |
| Cathodic disbandment @23℃ | EN12068 | 8.8mm rad |
| Resistance to thermal ageing | EN12068 | - |
| -Tensile strength ratio | - | 0.9 |
| -Elongation ratio | - | 0.9 |
| Ultraviolet Irradiation resistance ratio of | EN12068 | - |
| - Tape strength | - | 0.94 |
| -Elongation at break | - | 0.94 |
| Serial No. | Specification | Serial No. | Specification |
|---|---|---|---|
| 1 | FRDPΦ168×500—1.2/1.0 | 7 | FRDPΦ508×500—1.5/1.0 |
| 2 | FRDPΦ219×500—1.2/1.0 | 8 | FRDPΦ529×500—1.5/1.0 |
| 3 | FRDPΦ273×500—1.2/1.0 | 9 | FRDPΦ610×500—1.5/1.0 |
| 4 | FRDPΦ325×500—1.2/1.0 | 10 | FRDPΦ711×500—1.5/1.0 |
| 5 | FRDPΦ355×500—1.2/1.0 | 11 | FRDPΦ813×500—1.5/1.0 |
| 6 | FRDPΦ426×500—1.5/1.0 | 12 | FRDPΦ1220×500—1.5/1.0 |
