What is the rated voltage?

The rated voltage is 600V, with a breakdown voltage of 2500V for 60 seconds.

What materials are used?

The material is cross-linked modified polyolefin (PE), offering excellent insulation and heat resistance.

Heat Shrink Tube for Insulation

Name: Heat Shrink Tube for Insulation
Brand: Shanghai Wellco International Limited
SKU: 2028816572

Shanghai, ChinaShanghai Wellco International Limited

US$1.00

100-9,999 Meters

US$0.02

10,000+ Meters

Sample price:US$0.01/piece.Request sample

Product profile

Customization

Available

Certification

RoHS, ISO, Reach

Color

Black/Red/Blue/Green/White

Model NO.

W-SW

Usage

Optical Cable, Earphone Line, Electric Wire, DVI Line, HDMI Cable, Insulators

Material

Type

Heat Shrinkable

Rated Voltage

600V

Shrink Ratio

2:1; 3:1; 4:1

Working Temperature

-55~125c

Tensile Strength

10.4MPa

Transport Package

Standard Package

Specification

0.5-250mm

Trademark

Wellco

Origin

China

Production Capacity

100000

Key features

Wide Color Selection: Available in Black, Red, Blue, Green, and White, with custom colors upon request.

High Shrink Ratio: Offers 2:1, 3:1, and 4:1 shrink ratios for versatile fitting applications.

Halogen-Free Safety: Environmentally friendly with low smoke emission and UL224 VW-1 flammability rating.

High Voltage Rating: Rated for 300V/600V with excellent breakdown voltage performance up to 2500V.

Diverse Size Options: Comprehensive size range from 0.7mm to 100mm diameter for various cable needs.

Global Certifications: Complies with RoHS, REACH, and UL224 standards for international safety.

Customization Support: Custom sizes and colors available upon request to meet specific project needs.

Company profile

Shanghai Wellco International Limited

Shanghai, China

Business Type: Manufacturer/FactoryExport Year: 2017-05-22 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤2.60h CertifiedTerms of Payment: LC, T/T, D/P, etc. CertifiedInternational Commercial Terms(Incoterms): FOB, CIF, CFR

AI-Powered supplier vetting

SummarySHANGHAI WELLCO INTERNATIONAL LIMITED is presented as a supplier of heat-shrink and related tubing products, with automotive, electrical, medical, and other product applications. The available information indicates multiple management and product certifications, more than 10 production lines, 21–30 quality-control staff, annual heat-shrink-tube output of 10,000,000 meters, and export sales representing 90% of total sales. It reports off-peak lead times within 15 working days and peak-season fulfillment of one month. Trading records show repeated heat-shrinkable-tubing transactions with RAYCHEMRPG PRIVATE LIMITED and a transaction involving YAZAKI INDIA PRIVATE LIMITED. However, the slices do not provide sufficient evidence to assess after-sales service, financial credibility, product-development innovation, or customization capability. The supplier’s registration information appears in 2025, but the records do not establish the full operating history of the company.

Supplier typeThe supplier is identified as SHANGHAI WELLCO INTERNATIONAL LIMITED and is associated with heat-shrink tubing, cold-shrink tubing, connector gel boxes, automotive shrink products, and related items. Its stated business covers automotive, electrical and electronics, medical, sporting goods, and other sectors, and it has self-operated import/export rights with 90% of sales reportedly from exports.

CertificationsThe basic products are stated to have passed UL, SGS, ISO9001, ISO14001, and IATF16949-related standards or certifications, while the supplier management-system certifications are listed as TS 16949 and ISO 9001. This provides explicit evidence of relevant quality and management certification coverage.

Production capacityThe supplier reports more than 10 production lines, 21–30 quality-control staff, annual heat-shrink-tube output of 10,000,000 meters, off-peak lead time within 15 working days, and peak-season fulfillment within one month. These stated figures explicitly support substantial production capacity and defined fulfillment capability.

Client casesTrade records associate the supplier with YAZAKI INDIA PRIVATE LIMITED and show repeated heat-shrinkable-tubing transactions with RAYCHEMRPG PRIVATE LIMITED across several 2025 records. These named buyer records provide concrete customer evidence, although the slices do not establish order scale, duration of relationships, performance ratings, or references.