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Flame Retardant Sleeve for Busbar Heat Shrink
US$1.20
10-999 Meters
US$0.80
1,000+ Meters
Sample price:US$0.01/piece.Request sample
Product profile
Customization
AvailableApplication
InsulatorsColor
Red/Yellow/Green/Black etc.Model NO.
W-BTMaterial
PEMaximum Voltage
<10KVThermal Rating
125cSample
AvailableOperating Temperature
-40~125cType
Insulation Sleeve & TubeChemistry
Organic InsulationCertification
ISO9001Brand
WellcoTransport Package
Standard PackageOrigin
ChinaProduction Capacity
100000Key features
High Voltage Resistance: Breakdown strength reaches 25.7kV/mm, suitable for <10KV applications.
Corrosion & Chemical Resistant: Made of cross-linked polyolefin, resisting corrosion and chemicals.
Compact Structure Design: Reduces distance between busbars, preventing accidental short circuits.
Certified Quality Material: ISO9001 certified, passing UL, RoHS, and REACH standards.
Low Water Absorption: Water absorption rate is only 0.23%, ensuring long-term stability.
Company profile

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.
Product Q&A
Q:What materials is the sleeve made of?
A:
It is made of cross-linked modified polyolefin with organic insulation chemistry.
Q:What certifications does the product have?
A:
The product is ISO9001 certified and passes UL, RoHS, and REACH standards.
Q:What is the maximum voltage rating?
A:
The maximum voltage rating is less than 10KV.
Q:What are the main applications?
A:
Suitable for insulation protection in transformer stations and switch cubicles.
Q:What is the contraction ratio?
A:
The contraction ratio is 2.5:1.
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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