UL VW-1 Flame Retardant Dual Wall Shrink Tube with Adhesive for Wire Harness Splice

• Customization: Available
• Certification: RoHS, ISO
• Color: Clear
• Model NO.: W-DW(WSC)
• Usage: Optical Cable, Lighting Decoration, Earphone Line, Electric Wire, DVI Line, HDMI Cable, Designed for The Special Auto Bundling Wires
• Material: PE
• Type: Heat Shrinkable
• Rated Voltage: 600V
• Shrink Ratio: 4:1
• Working Temperature: -40~125c
• Tensile Strength: 10.4MPa
• Feature: Semi-Rigid,Flame-Retardant,Low Shrink Temperature
• Transport Package: Standard Package
• Specification: 5.7-17.78mm
• Origin: China
• Production Capacity: 100000
• Package Size: 60.00cm * 40.00cm * 28.00cm
• Package Gross Weight: 12.000kg

Product Description

Product Description

W-DW(WSC) Dual wall for wire harness Splice clear

Material
Outer layer: Clear Cross-linked modified polyolefin
Inner layer: modified hot melt adhesive
Shrink ratio: 4:1
Continuous use temperature:-40ºC~125ºC;
Shrinkage temperature :100ºC~150ºC
Characteristics
·Semi-hard, CLEAR
·Excellent mechanical, electric and chemical performance;
·Excellent sealing property;
Application:
This product, designed according to the features of automobile wire harness, It has excellent leakproofness, oil resistance and
insulativity and conforms to the environmental requirements of RoHS. Meanwhile, it also has excellent mechanical property and thus
has come into extensive use in the production of various automobile wire harnesses.

Item	Test Method	Indicator
Longitudinal length change rate	UL224	-10%~0
Tensile Strength	ASTM D2671	≥10.4MPa
Breaking Elongation	ASTM D2671	≥200%
Aging Test Of Hot Air	158.0ºC±1.0ºC/168h	-
Tensile Strength After Aging	ASTM D2671	≥7.3MPa
Elongation At Break After Aging	ASTM D2671	≥100%
Volume Resistivity	ASTM D876	≥1.0x1013Ω· cm
Withstanding Voltage	ASTM D2671	2500V,60s,Without breakdown
Water Absorption	ASTM D570	≤0.5%
Thermal shock (applicable to outer layer only)	-	225ºC,4h,No breakage, no dripping
Low-temperature resistance (applicable to outer layer only)	ASTM D2671	No breakage
Solvent Resistance (diesel lubricating oil)	-	23ºC,24h,Excellent

 

Specification	Dimension Before Shrinkage(mm)	Dimension After Full Contraction (mm)
	Minimum Inner Diameter	Minimum Inner Diameter	Total Wall Thickness
5.7	5.7	1.27	1.50±0.30
8.0	8.0	1.65	2.10±0.30
10.8	10.8	2.40	2.50±0.50
17.78	17.78	4.45	2.70±0.50

 

Certifications

 

Packaging & Shipping

Company Profile

 

Shanghai Wellco International Limited

 

Shanghai Wellco International Limited is a professional team with 18 years of experience in R&D, production, and sales of special heat shrink tubes and other radiation crosslinking materials. We specialize in providing a wide range of products and solutions for insulation, connection, waterproofing, high temperature resistance, chemical resistance, EMI protection, and mechanical protection for wires and cables.

 

With a strong technical force and advanced production equipment, we offer a variety of heat shrink tubes and insulation tubes made from materials such as modified PE, PVDF, FEP, EPDM, Silicone, FKM, FEP, PTFE, and more. Our products find applications in various fields including electronic communication, automobile, high-speed rail, electric motor, aviation, medical, and others. They provide insulation, water-proofing, electrostatic shielding, oil resistance, chemical resistance, and high-temperature protection. Our products have passed UL certification, RoHS, and REACH.

 

We also specialize in producing customized products or developing products with special requirements based on customer needs. Our production processes adhere to ISO9001 and IATF16949 quality management system standards to ensure the stability and reliability of product quality.

 

FAQ

 

About Us

 

Shanghai Wellco International Limited is a professional manufacturer of special heat shrink tubes and other radiation crosslinking insulation materials. With over 20 years of experience in insulation, we are dedicated to providing high-quality products to our customers.

 

Our Products

 

At Shanghai Wellco International Limited, we offer a wide range of products including:

 

• Heat Shrink Tube


• Heat Shrink Mould Part


• Marking Sleeve


• Cold Shrink Tube



 
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Quality Guarantee

 

We prioritize quality and ensure that our products meet the highest standards. We conduct a pre-production sample before mass production and a final inspection before shipment to guarantee the quality of our products.

 

Why Choose Us

 

When you choose Shanghai Wellco International Limited, you can expect:

 

• High-quality products


• Over 20 years of experience in insulation



 
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Our Services

 

We offer the following services:

 

• Accepted Delivery Terms: FOB, CFR, CIF, EXW, CIP, FCA, DDP, DDU, Express Delivery


• Accepted Payment Currency: USD, EUR, CNY


• Accepted Payment Type: T/T, L/C, MoneyGram, PayPal, Western Union


• Language Spoken: English, Chinese, Japanese



 
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