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New custom logo printing Heat shrinkable glue black tube
Model: G-2X
Dual wall, flexible polyolefin tubing with glue
1) Application
G2 (2:1) is a flexible, dual wall, irradiated heat-shrinkable, flame-retardant, manufactured by co-extrusion of polyolefin and hot-melt adhesive, adhesive coated with good stickness and outer is flexible, irradiated cross-linked polyolefin. The adhesive can stick the material of both sides of connecting entirely and seal the point connecting. It is widely used to seal and protect interconnections, jointsand components from fluids, moisture and corrosion and repair damaged wire insulation, etc.

2) Features/Benefits
Shrink ratio: 2:1.
Flexible of both outer tubing and inner adhesive.
Adhesive bonds to outer tubing and surface below to form a positive environmental seal.
Good mechnical, electrical and chemical properties.
Adhesive bonds to a wide variety of plastics, rubbers and metals.
Conform to European RoHS(2002/95/EC)environmental directive.
3) Operating Temperature Range
Operating temperature range: -55℃~110℃
Minimum shrink temperature: 80℃
Minimum full recovery temperature: 110℃
4) Specifications/Standards
UL224 125℃ 600V
UL Approval
AMS-DTL-23053/4 class2
5) Specification values
| Property | Requirement | Test method | Typical value |
Physical: | Tensile strength | 10.3MPa min. | ASTM D 638 | ≥12MPa |
Elongation | 200% min. | ASTM D 638 | ≥400% | |
Heat shock 250℃, 4hrs | No cracking, dripping or flowing of outer wall | ASTM D 2671 | Pass | |
Low temperature flexibility -55℃,4hrs | No cracking | ASTM D 2671 | Pass | |
Aging 158℃,168hrs |
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Tensile strength after aging | 70% of original min. | ASTM D 638 | ≥90% | |
Elongation after aging | 100% min. | ASTM D 638 | ≥300% | |
Electrical: | Dielectric voltage withstand | 2500V, 60sec no breakdown | ASTM D 2671 | Pass |
Volume resistivity | 1014Ω·cm min. | ASTM D 876 | ≥1014Ω·cm | |
Chemical: | Copper corrosion 158℃,168hrs | No corrosion | ASTM D 2671 | Pass |
| Flammability | ALL TUBING FLAME TEST | UL224 | Pass |
6) Product sizes
| Size | As supplied | After recovery | Standard Package | |||
| Inch | mm | Internal Diameter (mm) | Internal Diameter (mm) | Total Wall Thickness(mm) | Adhesive thickness(mm) | Spool Length |
| m/spool | ||||||
| 1/16 | 1.6 | 1.6 | 0.8 | 0.60±0.15 | 0.3±0.1 | 200 |
| 3/32 | 2.4 | 2.4 | 1.2 | 0.70±0.15 | 0.35±0.1 | 200 |
| 1/8 | 3.2 | 3.2 | 1.6 | 0.70±0.15 | 0.35±0.1 | 200 |
| 3/16 | 4.8 | 4.8 | 2.4 | 0.80±0.15 | 0.4±0.1 | 100 |
| 1/4 | 6.4 | 6.4 | 3.2 | 0.80±0.15 | 0.4±0.1 | 100 |
| 5/16 | 7.9 | 7.9 | 3.9 | 0.90±0.15 | 0.45±0.1 | 100 |
| 3/8 | 9.5 | 9.5 | 4.8 | 0.90±0.15 | 0.45±0.1 | 1.22 |
| 1/2 | 12.7 | 12.7 | 6.4 | 0.95±0.20 | 0.45±0.1 | 1.22 |
| 5/8 | 15.9 | 15.9 | 7.9 | 0.95±0.20 | 0.45±0.1 | 1.22 |
| 3/4 | 19.1 | 19.1 | 9.5 | 1.0±0.20 | 0.45±0.1 | 1.22 |
| 1 | 25.4 | 25.4 | 12.7 | 1.1±0.20 | 0.50±0.1 | 1.22 |
| 1 1/4 | 31.8 | 31.8 | 15 | 1.15±0.20 | 0.50±0.1 | 1.22 |
| 1 1/2 | 38.1 | 38.1 | 19 | 1.25±0.20 | 0.50±0.1 | 1.22 |
| 1 3/4 | 44.5 | 44.5 | 22 | 1.35±0.20 | 0.55±0.1 | 1.22 |
| 2 | 50.8 | 50.8 | 25.4 | 1.5±0.25 | 0.60±0.1 | 1.22 |
Wall thickness includes adhesive wall thickness.
7) Ordering information
Standard color:Black(-BK)
Nonstandard color:White(-WH), red(-RD), yellow(YL), blue(-BL), green(-GR),clear(-CL, not flame-retardant)
Nonstandard size
Special sizes are available upon request.
Standard packaging
1.22 m/length or on spools. Cut pieces are available upon request.
Ordering description:Specify product type, size and color.






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KeHong Enterprises Co Ltd is specializes in heat shrinkable technology and manufacture, Headquarter in Hong kong, with factory in GuangZhou and Shenzhen City.
Our factories have obtained the certification of ISO 9001, and main insulation material tubes have UL certification of ISO 9001, and main insulation material tubes have UL cetification, SGS approval, and meet ROHS standard.
KEHONG is one of electrical insulation suppliers, which is able to provide consistent professional, experienced and efficient product service. If you are unable to find a proper tubing or sleeve from our existing products to meet your equirement, please do not hesitate to provide us with your further more detail requirements. Our technical team will do the best to satisfy your requirements with our products.
Further more, we also provide OEM and ODM services for our customers. If needed, please do contact us for detail diacussion.
The highest quality and satisfying service are our company policy. For further details regarding our products and please contact us directly.
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KeHong Enterprises Co.,Ltd.
No,7118,Floor 7, Sha Feng Business Building,
Jin sha zhou, Baiyun District,Guangzhou,China.
www.heatshrinkstar.com
www.khenterprise.en.alibaba.com

Tel:+86-20-82586869, Mobile: +8615918777767
Wechat:008615918777767
Skype:gonggulily
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