closed type HSS
2 year ago
The Heat Shrinkable Sleeve coating shall be capable of withstanding a maximum continuous operating temperature of 65ºC. Coating system shall withstand the Pull-through applications of Horizontal Directional Drilling (HDD) applications.
The Heat Shrinkable Sleeve shall provide mechanical protection to the epoxy layer and shall seal onto the epoxy layer and the adjacent line coating. It shall have the following minimum thickness:
Backing 1.85mm Backing
Adhesive 1.2mm
Wear cone (incl. adhesive) 3.05mm
2. Benefits
Highly resistant to shear and peel forces induced by soil and thermal movements.
It should offers abrasion and wear resistance at pull-through comparable to mill coatings.
Provision of appropriate wear cone which can protect leading edge of sleeve against pull-through forces.
Sleeve applied over wet epoxy---there are no curing or waiting times/formation of strong mechanical & chemical bonds.
Superior cathodic disbandment and hot water immersion resistance.
Pre-attached closure patch.
Low preheat requirements.
3. Product properties
| A) Backing-Reinforced With Fiberglass | |||
| Properties | Unit | Requirement | Standard |
| Bursting Strength | N | 2350 min. | DIN 30672 |
| B) Hot Melt Adhesive | |||
| Properties | Unit | Value | Standard |
| Softening Point | ºC | 94 | ASTM - E28 |
| Lap Shear | psi | 528 @ 60ºC | ASTM D1002 |
| C) Installed Sleeve | |||
| Properties | Unit | Value | Standard |
| Peel to Steel | N/mm | 11 |
ASTM D-1000 EN 12068@10mm/min. |
| Specific Coating Resistance | Ωm2 | 600000000 |
DIN 30672, 100 days immersion |
| Impact resistance | In.lb | 170 |
ASTM G-14 EN 12068, class C |
| Indentation resistance | mm | 3.1 @ 60ºC |
ASTM G-17 EN 12068, class C |
| Cathodic disbondment | mm |
0.170” (4.33 mm) 0 mm radius @ 60°C (140°F)- self healing |
ASTM G-8, 30 days EN 12068, 30 days |
|
Resistance to UV radiation followed by bursting strength |
% | Reduction in bursting strength <25% of the original value | EN 12068 |
4. Storage
● To ensure maximum performance, store these materials in a dry, ventilated area.
● Keep products sealed in original cartons and avoid exposure to direct sunlight, rain, snow, dust or other adverse environmental elements.
● Avoid prolonged storage at temperatures above 40°C or below -20°C .
● Product installation should be done in accordance with local health and safety regulations.
5.Shelf Life: 3 years, under correct storage condition.
Sichuan Forever main products has heat Shrinkable Sleeves, Pipe Repair Material,Liquid Epoxy Coatings,Visco-Elastic Coating Materials,Cold-Applied Polymeric Tape and other Wrapping materials application tooling.
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Main Product:
Heat Shrink Sleeves,
Heat Shrink Tape,
Heat Shrink Wrap Around Sleeves,
Heat Shrinkable Sleeves,
Cold Applied Tape,
Pipe Repair Materials