UL VW-1 Dual Wall Heat Shrink Tube with Glue for Wire Harness Splice

• Certification: RoHS, ISO
• Color: Black, Other Colors Can Be Customized
• Usage: Optical Cable, Lighting Decoration, Earphone Line, Electric Wire, DVI Line, HDMI Cable
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: W-DW(WSB)
• 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: 5.75-18.3mm
• Origin: China
• Production Capacity: 100000
• Package Size: 60.00cm * 40.00cm * 28.00cm
• Package Gross Weight: 12.000kg
• Lead Time: 10 days (1 - 10000 Meters) ; To be negotiated ( > 10000 Meters)

Product Description

Product Description

W-DW(WSB) Dual wall for wire harness Splice Black

Material
Outer layer: 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, flame retarded
·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
5.75	5.75	1.25	1.45±0.30
7.40	7.40	1.65	1.55±0.30
11.0	11.0	2.40	2.35±0.30
14.0	14.0	3.00	2.30±0.30
18.3	18.3	4.35	2.35±0.30

 

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 heat shrink tubes and insulation tubes made from various materials such as modified PE, PVDF, FEP, EPDM, Silicone, FKM, FEP, PTFE, and more. Our products find extensive applications in electronic communication, automobile, high-speed rail, electric motor, aviation, medical, and other industries. They provide insulation, water-proofing, electrostatic shielding, oil resistance, chemical resistance, and high-temperature protection. Our products have passed UL certification, RoHS, and REACH standards.

 

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

 

We are based in Shanghai, China and have been in operation since 2017. Our products are sold globally, with a focus on North America (20.00%), South Asia (20.00%), Southeast Asia (15.00%), Western Europe (15.00%), South America (5.00%), Eastern Europe (5.00%), Mid East (5.00%), Northern Europe (5.00%), Eastern Asia (3.00%), Domestic Market (3.00%), Southern Europe (2.00%), Africa (00.00%), and Central America (00.00%).

 

Quality Assurance

 

We prioritize quality and ensure it through various measures:

 

• Always providing a pre-production sample before mass production


• Conducting a final inspection before shipment


 

 

Our Products

 

Our product range includes:

 

• Heat Shrink Tube


• Heat Shrink Mould Part


• Marking Sleeve


• Cold Shrink Tube


 

 

Services We Offer

 

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