High-Voltage Resistance Heat Shrink Tube Sleeve

• Application: Insulators
• Type: Insulation Sleeve
• Chemistry: Organic Insulation
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: W-BT
• Material: PE
• Thermal Rating: 125c
• Maximum Voltage: 36kv
• Certification: ISO9001
• Color: All Colors
• Brand: Wellco
• Sample: Available
• Operating Temperature: -40~125c
• Feature1: High-Voltage Resistance, Corrosion Resistance
• Feature2: High Insulation
• Transport Package: Standard Package
• Origin: China
• Production Capacity: 100000
• Package Size: 45.00cm * 45.00cm * 40.00cm
• Package Gross Weight: 15.000kg
• Lead Time: 10 days (1 - 10000 Meters) ; To be negotiated ( > 10000 Meters)

Product Description

Product Description

  

 

Product Description

 

Product: Cross-linked Modified Polyolefin

 

Operating Temperature Range: -40ºC to 125ºC

 

Contraction Temperature: Above 70ºC

 

Contraction Ratio: 2:5:1

 

Features:

 

• High-voltage resistance


• Corrosion resistance


• High insulation




•  

 

Applications:

 

• Suitable for insulation protection for transformer station buses and high/low voltage switch cubicle buses


• Compacts the structure of the switch cubicle, reducing the distance between components


• Prevents accidental short circuit incidents




•  

 

Company: Shanghai Wellco International Limited

 

Item	Test method	Indicator	Values
Tensile strength	ASTM D2671	≥10MPa	15.4MPa
Elongation at break	ASTM D2671	≥450%	583%
Tensile Strength After Aging	ASTM D2671/136°C/168h	≥10MPa	14.2MPa
After aging the tensile elongation at break	ASTM D2671/136°C/168h	≥400%	541%
Thermal Shock	200°C±3°C/4h	Without dripping, flowing or crack	Passed
Low temperature flexibility	ASTM D2671/-40°C/4h	No cracking	No cracking
Breakdown strength	ASTM D2671	≥19kV/mm	≥25.7kV/mm
Volume resistivity	ASTM D876	≥1.0x1014Ω· cm	≥5.3x1014Ω· cm
Water absorption	ASTM D570A	≤0.5%	0.23%

 

Size	As supplied		After recovery		Packaged Length
	ID/mm	Wall Thickness/mm	ID/mm	Wall Thickness/mm	M
35KV 30/15 35KV 35/18 35KV 40/20 35KV 50/25 35KV 60/30 35KV 65/33 35KV 70/35 35KV 75/38 35KV 80/40 35KV 100/50 35KV 120/60 35KV 150/75 35KV 180/90 35KV 210/105 35KV 230/115	30 ± 1.0 35 ± 1.0 40 ± 1.0 50 ± 2.0 60 ± 2.0 65 ± 2.0 70 ± 2.0 75 ± 2.0 80 ± 3.0 100 ± 4.0 120 ± 4.0 150 ± 4.0 185 ± 5.0 210 ± 5.0 230 ± 5.0	1.9 ± 0.5 1.9 ± 0.5 1.9 ± 0.5 1.9 ± 0.5 1.9 ± 0.5 1.9 ± 0.5 1.9 ± 0.5 1.9 ± 0.5 1.9 ± 0.5 1.9 ± 0.5 1.9 ± 0.5 1.9 ± 0.5 1.9 ± 0.5 1.9 ± 0.5 1.9 ± 0.5	15 18 20 25 30 33 35 38 40 50 60 75 90 105 115	4.0 ± 0.3 4.0 ± 0.3 4.0 ± 0.3 4.0 ± 0.3 4.0 ± 0.3 4.0 ± 0.3 4.0 ± 0.3 4.0 ± 0.3 4.0 ± 0.3 4.0 ± 0.3 4.0 ± 0.3 4.0 ± 0.3 4.0 ± 0.3 4.0 ± 0.3 4.0 ± 0.3	15 15 15 15 15 15 15 15 15 15 15 15 15 15 15

 

Certifications

Packaging & Shipping

Company Profile

 

Shanghai Wellco International Limited

 

Shanghai Wellco International Limited is a professional team with 18 years of experience in R&D, production, and sales of special heat shrink tubes and other radiation crosslinking materials. We specialize in providing a wide range of products and solutions for insulation, connection, waterproofing, high temperature resistance, chemical resistance, EMI protection, and mechanical protection for wires and cables.

 

With a strong technical force and advanced production equipment, we offer a variety of heat shrink tubes and insulation tubes made from materials such as modified PE, PVDF, FEP, EPDM, Silicone, FKM, FEP, PTFE, and more. Our products find extensive applications in electronic communication, automobile, high-speed rail, electric motor, aviation, medical, and other industries. They provide insulation, water-proofing, electrostatic shielding, oil resistance, chemical resistance, and high-temperature protection. Our products have passed UL certification, RoHS, and REACH.

 

We also specialize in producing customized products or developing products with special requirements according to customer needs. Our production processes adhere to ISO9001 and IATF16949 quality management system standards, ensuring the stability and reliability of product quality.

 

FAQ

About Us

 

Shanghai Wellco International Limited is a professional manufacturer of special heat shrink tubes and other radiation crosslinking insulation materials. With over 20 years of experience in insulation, we are based in Shanghai, China and have been serving customers since 2017. Our office consists of a dedicated team of 5-10 people.

 

Quality Guarantee

 

We prioritize quality and ensure it through various measures:

 

• We always provide a pre-production sample before mass production.


• Every product undergoes a final inspection before shipment.


 

 

Our Products

 

At Shanghai Wellco International Limited, we offer a range of high-quality products including:

 

• Heat Shrink Tube


• Heat Shrink Mould Part


• Marking Sleeve


• Cold Shrink Tube


 

 

Why Choose Us

 

There are several reasons why you should choose us over other suppliers:

 

• We have extensive experience in insulation, with our founder having over 20 years of experience in the field.


• We are committed to providing top-notch quality products.


 

 

Our Services

 

We offer the following services:

 

• Accepted Delivery Terms: FOB, CFR, CIF, EXW, CIP, FCA, DDP, DDU, Express Delivery


• Accepted Payment Currency: USD, EUR, CNY


• Accepted Payment Type: T/T, L/C, MoneyGram, PayPal, Western Union


• Language Spoken: English, Chinese, Japanese