3 LPE Mechanical Protection Heat Shrinkable Wraparound Sleeves
| Item | Test Method | Typical Value HT 80 |
| Radiation crosslinking PE Backing | ||
| Thickness of PE backing | ASTM D 1000 | 1.4mm |
| Density | ASTM D792 | ≥0.95 gm/cc |
| Tensile strength | ASTM D 638 | 3200psi (22MPa) |
| Elongation | ASTM D 638 | 550% |
|
Thermal ageing 1) 150°C 21d elongation 2) Tmax +20°C 100d E100/E70 |
ASTM D 638 EN 12068 |
420% 1.08 |
| Hardness, Shore D | ASTM D 2240 | 55 |
| Shrink force | ASTM D 638, 150°C (302°F) | 43psi |
| Dielectric strength at 23°C | ASTMD 149 | 825volts/(33KV/mm) |
| Moisture absorption | ASTM D 570 | 0.05% |
| Hot Melt Adhesive | ||
| Sleeve adhesive thickness | - | 1.7 mm |
| Softening point | ASTM E 28 | 125°C (257°F) |
|
Lap shear
|
ASTM D 1002 EN 12068, @ 10 mm (0.40")/min. |
435psi (3.00N/mm2) @23°C (73°F) 50psi (0.35N/mm2) @80°C (176°F) |
| Installed Sleeve | ||
|
Peel to @23°C @T80°C |
ASTM D 1000
|
113N/cm 15N/cm |
|
Peel Strength of installed sleeve at 80°C (pull rate of 10 mm/min) to pipe surface (steel) to factory coating (PE coating) |
EN 12068 |
3N/cm 3N/cm |
| Cathodic disbandment |
ASTM G 42, 30 days EN12068 Class C @23°C @80° |
8mm @ 65°C (149°F) 6mm 10mm |
| Moisture Vapor Transmission of sleeve at 38°C, 90 % RH | ASTM E-398 | 0.06gm/24 hrs/100 sq.in |
| Soil Stress Creep Resistance of installed sleeve at 80°C | TP-206 | 0.08 inch after 24 hours |
| Hot water immersion | ASTM D 870, 120 days @Tmax | no delamination no blisters or water ingress |
|
Resistance to thermal ageing(100d/100°C) Peel strength layer to layer P100/PT Peel strength to pipe surface P100/PT |
EN 12068, Class C 80 |
3.3 3.7primer |
| Low temperature flexibility | ASTM D 2671-C | -25°C (-13°F) |
| Impact resistance |
ASTM G 14 EN 12068, class C |
96 in-lbs >15J no holiday |
| Penetration resistance |
ASTM G 17, EN 12068, Class C |
no holidays @10KV >0.6mm @ 80°C(176°F) |
| Holiday detection at 5 kV/ mm + 5 kV | EN 12068 ,Class C | no holiday |
|
Ultraviolet irradiation resistance -ratio of -tape strength -elongation at break |
EN 12068 – Annex F |
0.93 0.89 |
| Epoxy Primer | ||
|
Specific Gravity @ 23℃-A -B |
ASTM D1963 |
≥ 1.5 /＜1.0 |
| Dry Film Thickness on steel | ≥150 micron | |
| Pull off adhesion strength to steel at 23°C | ASTM D4541 | ≥15 MPa |
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.