What is the warranty period?

We provide a one year quality guarantee.

What are the main applications?

It is used for waterproofing, corrosion resistance, insulation, and mechanical protection in electronics, automotive, and aviation industries.

3: 1 Electric Wire Insulation Adhesive Lined Dual Wall Heat Shrink Tubing

Name: 3: 1 Electric Wire Insulation Adhesive Lined Dual Wall Heat Shrink Tubing
Brand: Shenzhen Sunbow Insulation Materials MFG. Co., Ltd.
SKU: 2018756835

Guangdong, ChinaShenzhen Sunbow Insulation Materials MFG. Co., Ltd.

US$0.99

2,000-49,999 Meters

US$0.88

50,000-99,999 Meters

US$0.69

100,000+ Meters

Sample price:US$0.00/meter.Request sample

Product profile

Customization

Available

Application

Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical Base, Shell, Motor, Switch Baseplate, Tranformers, Inverters

Color

Black, Other Color Available

Model NO.

SB-SBRS-(3X)G

Material

Plastic

Maximum Voltage

600V/300V

Thermal Rating

E 120

Working Temperature

-45c-125c

Shrink Temperature

70-125c

Srhink Ratio

3:1 & 4:1

Size

2.4-125mm

MOQ

100 Meters

UL Number

E360625

Type

Insulation Sleeve & Tube

Chemistry

Organic Insulation

Certification

ISO9001, RoHS, Reach

Brand

Sunbow

Transport Package

Sunbow Standard Export Carton

Specification

35*35*60 CM

Trademark

SUNBOW

Origin

Guangdong, China

HS Code

3917310000

Production Capacity

2000000 Meters/Month

Key features

Adhesive Lined Dual Wall: Flame retardant polyolefin with inner hot-melt adhesive for waterproof and corrosion resistance.

3:1 & 4:1 Shrink Ratio: High shrink ratio provides excellent mechanical protection and insulation coverage.

Certified Safety: Passed UL, ROHS, and REACH certifications for electrical safety.

High Voltage Rating: Supports maximum voltages of 600V and 300V for various applications.

Customizable Options: Available in other colors and custom sizes ranging from 2.4mm to 125mm.

Fast Delivery: Stock items ship in 2 days; non-stock items ship in 5-15 working days.

Quality Guarantee: One year quality guarantee with competitive pricing and good after-sales service.

Company profile

Shenzhen Sunbow Insulation Materials MFG. Co., Ltd.

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2008-04-01Nearest Port: shenzhen, guangzhou, hongkongAverage Response Time: ≤3.22hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CIF

AI-Powered supplier vetting

SummaryShenzhen Sunbow Insulation Materials MFG. Co., Ltd. is identified as a China-based manufacturer/factory in Shenzhen, Guangdong, specializing in insulation sleeves and tubing. Its stated product range includes fiberglass, silicone, PVC, PTFE, PET expandable, heat-shrink, corrugated, and related cable protection products. The supplier reports production quantities for several tubing and sleeving categories, exports representing 71%–90% of total sales, self-operated import/export rights, and export activity beginning in 2008. The company states that it was established in 2003, holds over 60 patents, and has received multiple high-tech enterprise certifications. Trade records provided show limited documented transactions, all associated with one buyer in the Philippines. Evidence is insufficient to assess after-sales service, customization capability, or financial credibility without using monetary information.

Supplier typeThe supplier is explicitly described as a manufacturer/factory and limited company located in Shenzhen, Guangdong, China. Its stated operations cover R&D, manufacturing, and sales of insulation sleeves, supporting classification as a direct industrial manufacturer rather than only a trading intermediary.

CertificationsThe company states that it has received multiple high-tech enterprise certifications. However, the specific certification names, issuing bodies, validity periods, and supporting documentation are not provided.

R&D capabilityThe supplier reports an R&D function, more than 60 patents, and multiple high-tech enterprise certifications. These are explicit indicators of innovation activity, although no patent subjects, dates, ownership verification, or product-development outcomes are supplied.

Production capacityThe supplier reports annual output of 10 million meters of silicone rubber tubing and 20 million meters each of fiberglass sleeving, PET expandable sleeving, heat-shrink tubing, and PVC tubing. Its broad product portfolio, factory classification, manufacturing background since 2003, and self-operated export capability support a substantial production-capability assessment.

Client casesThe provided trade records associate the supplier with Associated Wire Corporation of the United States and show three documented product transactions, while the supplier reports exports to a broad range of global markets. The evidence demonstrates at least one identifiable buyer relationship, but the limited transaction records do not establish a broad or deeply verified customer portfolio.