Is OEM service available?

Yes, OEM service is available for this product.

What materials are used?

The product is made of rubber, specifically silicone rubber, with organic insulation properties.

2cores 3cores 4cores 5cores Black Cold Shrink Breakout

Name: 2cores 3cores 4cores 5cores Black Cold Shrink Breakout
Brand: Suzhou Volsun Electronics Technology Co., Ltd.
SKU: 1933239811

Jiangsu, ChinaSuzhou Volsun Electronics Technology Co., Ltd.

US$1.39

100-4,999 Pieces

US$1.19

5,000-9,999 Pieces

US$0.80

10,000-99,999 Pieces

US$0.40

100,000+ Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Application

Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical Base, Shell, Insulating Varnish, Switch Baseplate

Color

Black, Black Gray

Model NO.

RUBS-BKT

Material

Rubber

Maximum Voltage

<10KV

Thermal Rating

250 250

Rated Voltage

600V

Tensile Strength

10.4MPa

Standard Color

Black

Sample

Free for Existing Sample

Delivery

Fast Express with Competitive Price

MOQ

100PCS

Type

Insulation Sleeve & Tube

Chemistry

Organic Insulation

Classification

Organic Insulating Material

Certification

ISO9001

Brand

Volsun

Transport Package

10PCS/Box,

Specification

Trademark

Volsun

Origin

Suzhou, Jiangsu

HS Code

39269090

Production Capacity

1000000PCS/Month

Key features

Easy Installation: No heating or special tools required; simply position and remove support tube.

Excellent Weather Resistance: Resists UV, ozone aging, salt spray corrosion, and acid/alkali exposure.

Strong Resilience: Long-lasting radial pressure ensures excellent water and moisture resistance.

High Tear Strength: Prevents cut expansion; small openings do not continue to expand after cutting.

Versatile Application: Ideal for communication, coaxial, and medium/low voltage power cable seals.

Flexible Customization: Supports customization from samples, designs, and minor adjustments.

Certified Quality: Manufactured under ISO9001, ISO45001, and ISO14001 standards.

Fast Delivery: Peak and off-season lead times are within 15 workdays.

Company profile

Importers and ExportersYears of Export ExperienceStandardized quality controlManagement Certification

Suzhou Volsun Electronics Technology Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 19 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤1.97h

AI-Powered supplier vetting

SummaryVolsun is an industrial materials and components supplier with stated activities covering automotive parts, electronic materials, plastics, rubber, metal products, refractory materials, and fireproof sealing materials. It reports 88 patents, 97 product certifications, customers in 88 countries, and applications in communication, automotive, and power industries. The supplier supports extensive customization and reports new products within the past year, but does not provide 3D software design services. Quality and complaint-handling procedures have documented implementation, while service limitations include no overseas agents or branches, overseas warehouse, overseas showroom, or valid manufacturing-capacity contract with related subcontractors. Exporting experience is stated as 19 years, with a quoted lead time of within 15 working days in both peak and off-season.

Supplier typeThe supplier’s stated business scope includes automotive parts and accessories, electronic specialized materials, plastics, rubber, synthetic rubber, metal materials and products, refractory materials, fireproof sealing materials, and industrial automation systems. This identifies it as a diversified industrial materials and components manufacturer and seller.

CertificationsThe supplier explicitly reports 97 product certifications and 88 patents. The slices do not identify the certification standards, issuing bodies, validity periods, or product coverage, but the stated certification quantity is positive evidence of certification holding.

R&D capabilityThe supplier reports 88 patents, 97 product certifications, and new products within the past year. These statements provide explicit evidence of innovation activity, although the slices do not describe the technical significance or commercial outcomes of the innovations.

Production capacityThe supplier has instructions for finished-product inspection that are uniformly followed, documented quality-assurance procedures, in-stock capability, and stated lead times within 15 working days in both peak and off-season. However, it reports no valid contract between the factory and related subcontractors, so production-capacity governance has a documented weakness despite other positive operational evidence.

Customization capabilityThe supplier explicitly provides customization from samples, designs, full customization, minor customization, and flexible customization, and reports R&D activity with new products in the past year. It does not provide 3D software design services, but the stated customization coverage is broad.

Client casesThe supplier states that it has cooperated with customers from 88 countries and provided sealing and waterproofing solutions to well-known enterprises in the communication, automotive, and power industries. It also reports participation in the EP Shanghai offline trade show, but no customer names, project details, or independently verifiable case outcomes are provided.