What are the inner diameter sizes available?

Inner diameters range from 3.2mm to 18.3mm, with specific sizes including 3.2, 5.7, 7.4, 10.8, and 18.3mm.

Es-Cap High Shrink Ratio Adhesive-Lined Semi-Rigid Polyolefin Caps

Name: Es-Cap High Shrink Ratio Adhesive-Lined Semi-Rigid Polyolefin Caps
Brand: Shanghai Wellco International Limited
SKU: 2121936292

Shanghai, ChinaShanghai Wellco International Limited

US$0.90

100-999 Pieces

US$0.60

1,000-9,999 Pieces

US$0.30

10,000+ Pieces

Sample price:US$0.01/piece.Request sample

Product profile

Customization

Available

Application

Automotive Harnessing, Communication industry, Machine Protection, Wire & Cable Protection

Color

Black, Clear

Model NO.

W-CAP

Flexibility

Semi-rigid

Inner Diameter

3.2-18.3mm

Material

Maximum Voltage

<10KV

Thermal Rating

125c

Rated Voltage

600V

Shrink Ratio

4:1

Working Temperature

-40~130c

Tensile Strength

10.4MPa

Adhesive

with Adhesive

Transport Package

Standard Package

Specification

3.2-18.3MM

Origin

China

Production Capacity

100000

Key features

Dual Wall Construction: Provides excellent corrosion protection and sealing for wire harness splices.

High Shrink Ratio: Available in 3:1 and 4:1 shrink ratios for secure fit and coverage.

Flame Retardant Options: Black caps are flame retardant; clear caps allow visual inspection.

RoHS Compliant: Meets RoHS standards for environmental safety and compliance.

High Tensile Strength: Offers tensile strength of at least 10.4 MPa for durability.

Customization Available: Customizable rated voltage, shrink ratio, and working temperature.

Multiple Material Options: Manufactured from PE, PVDF, FEP, EPDM, Silicone, and other materials.

Company profile

Shanghai Wellco International Limited

Shanghai, China

Business Type: Manufacturer/FactoryExport Year: 2017-05-22 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤2.99h 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.