Heat Shrink Tube Cable Marker Sleeve for Cable Markers

Product Description

Product Description

  

 

Product Description

 

The irradiation cross-linked special fluoropolymer wire and cable marker is designed for applications that require high-temperature and abrasion resistance. Manufactured by Shanghai Wellco International Limited, this marker offers outstanding chemical and solvent resistance, making it ideal for protecting electronic components from mechanical and chemical abuse.

 

In addition to its protective properties, this marker allows for easy identification and inspection of electronic components. It can also be used for insulation and strain relief of electrical connections and wire terminations, as well as for wire identification and component packaging.

 

• Operating temperature: -55~150°C


• Minimum shrink temperature: 125°C


• Minimum fully recovery temperature: 150°C


• Standard color: White, Yellow


• Other colors available upon request








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With a shrink ratio of 2:1, this marker is highly flame-resistant and flexible, making it suitable for various applications. Its good toughness and abrasion resistance, along with excellent physical and chemical properties, ensure long-lasting performance.

 

The clear variant of this marker offers good clarity and clarity stability. Rest assured, this product is RoHS and REACH compliant, meeting the highest industry standards.

 

Property	Requirement	Test method	Typical data
Longitudinal shrinkage	≤10%	ASTM D 2671	≤5%
Tensile strength	≥24.5 MPa	ASTM D 2671	≥35 MPa
Elongation at break	≥150%	ASTM D 2671	≥300%
Elongation after ageing (225ºC,168hrs)	≥100%	ASTM D 2671	≥ 200%
Heat shock(275ºC,4hrs)	No crack	ASTM D 2671	No crack
Low-temperature flexibility(-55ºC,4hrs)	No crack	ASTM D 2671	No crack
Dielectric voltage withstand	2500V,60sec, no breakdown	ASTM D 2671	No breakdown
Volume resistivity	1013Ω·cm min.	ASTM D 876	≥1013Ω·cm
Corrosion	No corrosion	ASTM D 2671	No corrosion
Flammability	VW-1	UL224	pass

   

Size		As supplied(mm)	After recovered (mm)
Inch	mm	diameter(Min)	diameter(max.)
3/32	Φ2.4	2.4	1.2
1/8	Φ3.2	3.2	1.6
3/16	Φ4.8	4.8	2.4
1/4	Φ6.4	6.4	3.2
3/8	Φ9.5	9.5	4.8
1/2	Φ12.7	12.7	6.4
3/4	Φ19.1	19.1	9.5
1	Φ25.4	25.4	12.7
1 1/2	Φ38.1	38.1	19.1
2	Φ50.8	50.8	25.4

 

Certifications

Packaging & Shipping

Company Profile

Shanghai Wellco International Limited - Heat Shrink Tubing & Electrical Insulation Materials

Shanghai Wellco International Limited is a professional trading and international export company specializing in heat shrink tubing, electrical insulation materials, cable identification products, and heat shrinkable protection solutions.

Our own manufacturing facility, GUANGZHOU KEBAO INSULATING PRODUCTS Co., Ltd., was established in 2011 and is a professional manufacturer specializing in the R&D, production, and sales of heat shrink tubing and irradiation crosslinked insulation materials. With strong technical capabilities, advanced production equipment, and a comprehensive quality management system, KEBAO provides reliable insulation and protection solutions for electrical, electronics, automotive, industrial, communication, and other applications.

Our Main Products

We manufacture and supply a wide range of high-performance heat shrinkable products and electrical insulation materials, including:

• High Temperature Heat Shrink Tubing up to 150°C
• High Temperature Heat Shrink Tubing up to 175°C
• High Temperature Fluororubber Heat Shrink Tubing up to 200°C
• Flame Retardant Dual Wall Heat Shrink Tubing
• High Expansion Ratio Dual Wall Heat Shrink Tubing up to 6:1
• Eco-Friendly Dual Wall Heat Shrink Tubing
• Single Wall Heat Shrink Tubing
• High Expansion Ratio Heat Shrink Tubing
• Magnetic Heat Shrink Tubing for Special Inductors
• Printable Heat Shrink Tubing
• Marker Sleeves and Identification Shrink Sleeves
• Tie-On Cable Tags and Cable Identification Labels
• Diesel-Resistant Elastomer Heat Shrink Tubing
• Gel Cable Joints
• Gel Cable Joint Boxes
• Heat Shrink Boots
• Heat Shrink Molded Parts
• Heat Shrinkable Molded Shapes
• Other Customized Irradiation Crosslinked Insulation Products

Our product range is designed to provide electrical insulation, mechanical protection, sealing, strain relief, cable identification, corrosion resistance, and environmental protection for a variety of industrial applications.

Quality Certifications & Standards

Quality and reliability are at the core of our manufacturing process. Our basic product series have obtained relevant certifications and comply with international quality and environmental standards, including UL, CE, RoHS, REACH, SGS, ISO 9001, and IATF 16949.

Our products are manufactured according to applicable international standards and are suitable for customers in the United States, Europe, and other international markets.

R&D and Manufacturing Capability

With more than a decade of manufacturing experience, GUANGZHOU KEBAO INSULATING PRODUCTS Co., Ltd. continues to invest in product development, production technology, and quality control. Our technical team focuses on developing high-performance heat shrinkable tubing, irradiation crosslinked insulation materials, cable protection products, and customized heat shrink solutions.

We can support both standard products and customized requirements, including different materials, sizes, shrink ratios, colors, operating temperatures, flame-retardant requirements, printing, and application-specific specifications.

Your Reliable Heat Shrink Tubing Supplier

Shanghai Wellco International Limited and GUANGZHOU KEBAO INSULATING PRODUCTS Co., Ltd. are committed to providing high-quality heat shrink tubing, dual wall heat shrink tubing, high temperature heat shrink tubing, cable identification products, and electrical insulation solutions to customers worldwide.

With professional manufacturing capabilities, international export experience, comprehensive certifications, and flexible customization services, we aim to be a reliable long-term partner for distributors, OEMs, electrical manufacturers, automotive suppliers, and industrial customers.

Contact us for heat shrink tubing, electrical insulation materials, cable protection products, and customized heat shrink solutions. 

FAQ

Product Description

 

Shanghai Wellco International Limited

 

Product Description

 

We are a professional R & D, production, and sales company based in Shanghai, China. Since 2017, we have been providing high-quality heat shrink tubes, heat shrink mould parts, marking sleeves, and cold shrink tubes to customers worldwide.

 

Who Are We?

 

We are Shanghai Wellco International Limited, a team of dedicated professionals with over 20 years of experience in the insulation industry. Our office in Shanghai consists of 5-10 people.

 

How Can We Guarantee Quality?

 

We ensure the highest quality standards by conducting a pre-production sample before mass production and a final inspection before shipment.

 

What Can You Buy From Us?

 

Our product range includes heat shrink tubes, heat shrink mould parts, marking sleeves, and cold shrink tubes. These products are designed to provide excellent insulation and protection for various applications.

 

Why Should You Buy From Us?

 

When you choose to buy from Shanghai Wellco International Limited, you can trust that you are getting products from a reputable manufacturer with extensive experience in the insulation industry. Our commitment to quality and customer satisfaction sets us apart from other suppliers.

 

What Services Can We Provide?

 

We offer flexible delivery terms such as FOB, CFR, CIF, EXW, CIP, FCA, DDP, DDU, and Express Delivery. Accepted payment currencies include USD, EUR, and CNY, and we accept payment types such as T/T, L/C, MoneyGram, PayPal, and Western Union. Our team is fluent in English, Chinese, and Japanese.