How to protect your wire splice point? Pre-cut customized sizes and length heat shrink may bring you more solutions.

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How to protect your wire splice point? Pre-cut  customized sizes and length heat shrink may bring you more solutions. 

Introduction
Semi-rigid polyolefin dual wall heat-shrinkable tube, high shrinkage rate, flame retardant.Suitable for waterproof sealing and insulation protection of automobile wiring harness wire connectors, terminals and components. Length can be customized.
Features
Operating temperature: -40°C to 130°C
Minimum full recovery temperature: 135°C
Environmentally friendly, RoHS & ELV compliant
Shrink ratio: 4:1
Standard color: Black
Technical Data
Property Test Method Requirement
Material Properties
Longitudinal change ASTM D2671 ≥-10%
Tensile strength ASTM D2671 ≥10.3MPa
Ultimate elongation ASTM D2671 ≥250%
Secant modulus 2% (Outer layer / recovered) ASTM D2671 ≥137MPa
Heat shock (225°C/4hrs) ASTM D2671 No cracking, dripping or flowing of outer jacket
Dynamic cut through ASTM D3032 ≥13.6kg
Volume resistivity ASTM D2671 ≥1.0×1014Ω·cm
Flammability (outer layer) ISO 6722-1 Self-extinguishing within 30S
Splice performance
Current leakage Q/DLH 0006 ≤0.25μA
Room temperature flex test
Current leakage
Q/DLH 0006
≤0.25μA
Thermal shock
Current leakage
Q/DLH 0006
≤0.25μA
Low temperature flexibility dielectric withstand
1 minute at 1,000 volts
Q/DLH 0006
No breakdown
Heat aging
Current leakage
Q/DLH 0006
≤0.25μA
Fluid immersion
Current leakage
Swell
Q/DLH 0006
≤0.25μA
≤50%
Dimension
Size As Supplied (mm) After recovered (mm)
A1 Inner diameter
D (min.)
Inner diameter
d (max.)
Wall thickness
t (nom.)
Adhesive Wall thickness
t1 (nom.)
4.0  4.0  1.00  1.00  0.50 
5.75  5.75  1.25  1.20  0.60 
7.5  7.5  1.65  1.60  0.80 
9.0  9.0  2.30  1.80  0.90 
11.0  11.0  2.40  2.00  1.00 
12.7  12.7  2.80  2.10  1.10 
14.0  14.0  3.00  2.20  1.20 
18.3  18.3  4.45  2.40  1.40 

How to Contact us?

Email: Enquiry@upolymer.com Whatsapp:8615940969469

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