Flame Retardant UL VW-1 Dual Wall Heat Shrink Tube with Adhesive

• Application: Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical Base, Shell, Motor, Insulating Varnish, Switch Baseplate, Designed for The Auto Wire Harness
• Type: Insulation Sleeve
• Chemistry: Organic Insulation
• 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(WSW)
• Material: PE
• Thermal Rating: B 130
• Maximum Voltage: <10KV
• Certification: ISO9001, RoHS Reach
• Color: Black
• Brand: Wellco
• Rated Voltage: 600V
• Shrink Ratio: 4:1
• Working Temperature: -40~125c
• Tensile Strength: 10.4MPa
• Adhesive: White Adhesive
• Feature: Semi-Rigid, Flame-Retardant
• Transport Package: Standard Package
• Specification: 5.08-17.78mm
• 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

 

Product Description

 

Introducing the W-DW(WSW) Dual Wall for Wire Harness Splice with White Glue, brought to you by Shanghai Wellco International Limited. This product is specifically designed to cater to the reading habits of English-speaking natives, ensuring a seamless understanding of its features and benefits.

 

Material

 

• Outer layer: Cross-linked modified polyolefin


• Inner layer: Flame retarded modified hot melt adhesive








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Specifications

 

• Shrink ratio: 4:1


• Continuous use temperature: -40ºC to 125ºC


• Shrinkage temperature: 100ºC to 150ºC








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Characteristics

 

• Semi-hard, glue flame retarded


• Excellent mechanical, electric, and chemical performance


• Excellent sealing property








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Application

 

This product is specially designed for automobile wire harnesses. It offers excellent leakproofness, oil resistance, and insulativity, meeting the environmental requirements of RoHS. Additionally, its outstanding mechanical properties make it highly suitable for various automobile wire harness production needs.

 

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

Size	ID as Supplied(mm)	After Shrinked(mm)
	Minimum Inner Diameter	Maximum Inner Diameter	Total Wall Thickness
5.08	5.08	1.27	1.40±0.30
7.62	7.62	1.65	1.50±0.30
9.02	9.02	2.29	1.50±0.50
11.56	11.56	2.54	2.30±0.50
17.78	17.78	4.45	2.50±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 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.

 

In addition to our standard product range, we also offer customization and development of 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 product quality.

 

FAQ

 

About Us

 

Shanghai Wellco International Limited is a professional manufacturer based in Shanghai, China. We have been in the insulation industry for over 20 years, specializing in the production and sales of special heat shrink tubes and other radiation crosslinking insulation materials. Our team consists of 5-10 dedicated individuals.

 

Quality Guarantee

 

We prioritize quality assurance in our products. We always provide a pre-production sample before mass production and conduct a final inspection before shipment to ensure the highest standards are met.

 

Our Products

 

At Shanghai Wellco International Limited, we offer a range of high-quality products including heat shrink tubes, heat shrink mould parts, marking sleeves, and cold shrink tubes.

 

Why Choose Us

 

When it comes to purchasing insulation materials, there are several reasons why you should choose us over other suppliers. Our extensive experience in the industry sets us apart, with over 20 years of expertise in insulation. We are committed to delivering top-notch products that meet your requirements.

 

Our Services

 

We provide flexible delivery terms including FOB, CFR, CIF, EXW, CIP, FCA, DDP, DDU, and Express Delivery. We accept multiple payment currencies such as USD, EUR, and CNY, and various payment methods including T/T, L/C, MoneyGram, PayPal, and Western Union. Our team is fluent in English, Chinese, and Japanese, ensuring effective communication throughout the process.