Environmental Heat Shrink Tube Sleeve for Bus Bar Insulation

• Customization: Available
• Application: Insulators
• Color: All Colors
• Model NO.: W-BT
• Material: PE
• Maximum Voltage: 36kv
• Thermal Rating: 125c
• Sample: Available
• Operating Temperature: -40~125c
• Feature1: High-Voltage Resistance, Corrosion Resistance
• Feature2: High Insulation
• Type: Insulation Sleeve & Tube
• Chemistry: Organic Insulation
• Certification: ISO9001
• Brand: Wellco
• 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

 

Company: Shanghai Wellco International Limited

 

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






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Applications:

 

• Insulation protection for transformer station buses


• Insulation protection for high/low voltage switch cubicle buses


• Compact structure of switch cubicle, reducing distance and preventing accidental short circuit incidents






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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 heat shrink tubes and insulation tubes made from various materials such as modified PE, PVDF, FEP, EPDM, Silicone, FKM, FEP, PTFE, and more. Our products find applications in electronic communication, automobile, high-speed rail, electric motor, aviation, medical, and other industries, providing insulation, water-proofing, electrostatic shielding, oil resistance, chemical resistance, and high-temperature protection.

 

All our products have passed UL certification, RoHS, and REACH standards, ensuring their quality and compliance with industry regulations.

 

We also offer customization options and can develop products with special requirements based on customer needs. Our production processes adhere to ISO9001 and IATF16949 quality management system standards, guaranteeing the stability and reliability of our 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 dedicated to providing high-quality products to our customers.

 

Our Products

 

At Shanghai Wellco International Limited, we offer a wide range of products including:

 

• Heat Shrink Tube


• Heat Shrink Mould Part


• Marking Sleeve


• Cold Shrink Tube



 
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Quality Guarantee

 

We prioritize quality and ensure that our products meet the highest standards. We conduct a pre-production sample before mass production and perform a final inspection before shipment.

 

Why Choose Us

 

When you choose Shanghai Wellco International Limited, you benefit from:

 

• Professional R & D, production, and sales team


• Over 20 years of experience in insulation



 
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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



 
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