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Silicone Rubber Cold Shrink Breakout Boots Cold Shrink Cable Entry Breakout
US$2.00
10-999 Pieces
US$0.35
1,000+ Pieces
Sample price:US$0.01/piece.Request sample
Product profile
Customization
AvailableApplication
InsulatorsMaterial
RubberModel NO.
W-CSBMaximum Voltage
<10KVThermal Rating
Y 90Sample
AvailableOperating Temperature
-60~90cRated Voltage
1kvFeature1
Very Flexible, Flame-RetardantFeature2
UV Resistant, Ozone ResistantFeature3
Simple Installation, No Heat RequiresType
Insulation Sleeve & TubeChemistry
Organic InsulationCertification
ISO9001Transport Package
Standard PackageOrigin
ChinaHS Code
39173200Production Capacity
100000Key features
High Flexibility & Durability: Silicone rubber material with 950% elongation at break and 35-45 Shore A hardness.
Superior Sealing Performance: IP67 waterproof rating with tight sealing that retains resiliency after long-term aging.
Flame Retardant & UV Resistant: Meets V-0 flame retardant standard (UL94) and passes UV and ozone resistance tests.
Simple Cold Shrink Installation: No heat required; factory expanded with removable cores for easy field installation.
High Dielectric Strength: Provides excellent electrical insulation with 23kV/mm dielectric strength.
Certified Quality Assurance: Manufactured under ISO9001 standards with UL, RoHS, and REACH certifications.
Customization Available: Offers customized operating temperature, rated voltage, and specific product features.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2017-05-22 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤1.76h 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.
Product Q&A
Q:Is the product waterproof?
A:
Yes, the product provides IP67 waterproof sealing, ensuring it retains resiliency and pressure even after long-term exposure and aging.
Q:How is the installation performed?
A:
Installation is simple and requires no heat. The boots are factory expanded with removable inner supporting plastic cores, which are removed after positioning around the cable breakout area to allow shrinking.
Q:What certifications does the product have?
A:
The product has passed ISO9001 certification. Additionally, it meets UL94 V-0 flame retardant standards and passes UV and ozone resistance tests.
Q:Can the product be customized?
A:
Yes, customization is available for sample orders, operating temperature, rated voltage, and specific features like flexibility or flame retardancy.
Q:What is the lead time for production?
A:
The average lead time is one month, regardless of whether it is peak season or off-season.
Send Inquiry
*To:
Shanghai Wellco International Limited
Shanghai Wellco International Limited*Content:
Supplier replies will be sent to your registered email
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