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Silicone Rubber Insulation Cold Shrink Tube with Mastic

Name: Silicone Rubber Insulation Cold Shrink Tube with Mastic
Brand: Shanghai Wellco International Limited
SKU: 2101445455

Shanghai, ChinaShanghai Wellco International Limited

US$2.00

10-1,999 Pieces

US$0.50

2,000+ Pieces

Sample price:US$0.01/piece.Request sample

Product profile

Customization

Available

Application

Insulators, Electrical Base, Shell, for Electrical, Telecom and Industrial Applications

Color

Black, Grey, Other Colors

Model NO.

W-CSTM

Material

Rubber, Silicone Rubber

Maximum Voltage

<10KV

Thermal Rating

200 200

Sample

Available

Operating Temperature

-60~200c

Rated Voltage

1kv

Feature 1

Built-in Clay, Double Layer Design

Feature 2

Easy to Install Easy to Disassemble

Feature 3

Stable Operation and Long Service Life

Type

Insulation Sleeve & Tube

Chemistry

Organic Insulation

Certification

ISO9001

Brand

Wellco

Transport Package

Standard Package

Origin

China

HS Code

39173200

Production Capacity

100000

Key features

IP67 Waterproof Sealing: Provides secure waterproof protection for cable splices without tools.

Easy Tool-Free Installation: Simple installation by unwinding a removable core; no heat or tools needed.

High Dielectric Strength: Offers excellent insulation with 23kv/mm dielectric strength and V-0 flame retardancy.

Built-in Mastic Design: Features double-layer design with built-in clay for enhanced sealing and stability.

Certified Quality Material: Made from silicone rubber with ISO9001 certification and UL/RoHS compliance.

Long Service Life: Resistant to ozone, UV, and aging, ensuring stable operation over time.

Customizable Options: Available in black, grey, and other colors; supports custom sample requests.

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.