SICHUAN FOREVER RADIATION TECHNOLOGY CO.,LTD
Model No.: HDD
Brand: Forever
Origin: China
Certification: ISO
Place Of Origin: China
Grade: Industrial Grade
Features: Highly resistant to shear and peel forces induced by soil and thermal movements
Advantages: abrasion and wear resistance at pull-through comparable to mill coatings.
Materials: Adhesive Hot melt adheive
Color: Black
Standard: DIN30672
Backing Materials: Cross linked PE backing
Key Point: heat shrink
Layer: 3PE
Type: open type with closure patch
Thickness: 2.0mm,2.2mm,2.5mm
| Selling Units | : | Set/Sets |
| Package Type | : | Rolls+carton+pallet |
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Product Description :
Horizontal Directional Drilling Crossing Heat Shrinkable Sleeves is a wrap-around heat shrinkable sleeve reinforced with fiberglass. It is designed to protect girth welds against corrosion and is the optimum joint protection for PE coated pipes used in directional drilling applications. The reinforcement gives the backing greater wear resistance.
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 fully free recovered 2.30mm
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.
Heat Shrinkable Sleeves covered 3LPE Heat Shrink Sleeves，2PE Heat Shrink Tape，3LPP Wrap Around Sleeve
HDD Heat Shrink Wrap Sleeves,Shrinkable Tape Closure Patch
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 |
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