What is the maximum voltage rating?

The maximum voltage rating is less than 10KV, with a dielectric strength of at least 20 KV/mm.

What are the main applications for these sleeves?

They are suitable for wire and cable identification in industries such as electronics, automotive, aviation, and medical equipment.

Durable Heat Shrink Identification Wire Marker Tube

Name: Durable Heat Shrink Identification Wire Marker Tube
Brand: Shanghai Wellco International Limited
SKU: 2024372122

Shanghai, ChinaShanghai Wellco International Limited

US$2.00

100-999 Meters

US$0.04

1,000+ Meters

Sample price:US$0.01/piece.Request sample

Product profile

Customization

Available

Application

Insulators

Color

White, Yellow, Other Colors

Model NO.

W-MSHF

Material

Maximum Voltage

<10KV

Thermal Rating

125

Operating Temperature

-55~125c

Shrink Ratio

3:1; 2:1

Feature1

Easy to Be Printed

Feature2

Flexible, Halogen-Free Flame-Retardant

Type

Insulation Sleeve & Tube

Chemistry

Organic Insulation

Certification

ISO9001

Brand

Wellco

Transport Package

Standard Package

Origin

China

Production Capacity

100000

Key features

Halogen-Free Flame Retardant: Made from polyolefin, ensuring safety and compliance with RoHS, REACH, and EU standards.

Easy Printing Capability: Compatible with marker printers for permanent, legible identification on wire and cables.

Flexible Shrink Ratios: Available in 3:1 and 2:1 shrink ratios to fit diverse wire and cable sizes.

Customizable Colors: Standard white and yellow available, with other colors customizable upon request.

Chemical & Fluid Resistance: Resists corrosion and maintains printing legibility after exposure to fluids for 24 hours.

Company profile

Shanghai Wellco International Limited

Shanghai, China

Business Type: Manufacturer/FactoryExport Year: 2017-05-22 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤2.66h 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.