Flexible Polyolefin Heat Shrink Tubing Heat Shrink Tube

• Application: Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical Base, Shell, Motor, Insulating Varnish, Switch Baseplate, Electric Wire
• 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-SW
• Material: PE
• Thermal Rating: 125
• Maximum Voltage: <10KV
• Certification: ISO9001, RoHS, Reach, UL
• Color: All Colors
• Brand: Wellco
• Rated Voltage: 600V
• Shrink Ratio: 2:1; 3:1; 4:1
• Working Temperature: -55~125c
• Tensile Strength: 10.4MPa
• Transport Package: Standard Package
• Specification: 0.5-250mm
• Trademark: Wellco
• Origin: China
• HS Code: 39173200
• Production Capacity: 100000
• Package Size: 40.00cm * 40.00cm * 30.00cm
• Package Gross Weight: 15.000kg
• Lead Time: 10 days (1 - 10000 Meters) ; To be negotiated ( > 10000 Meters)

Product Description

 

Product Description

 

Product Description

 

Material: Cross-linked modified polyolefin

 

Operating temperature: -55ºC~125ºC

 

Minimum shrink temperature: 70ºC

 

Minimum fully recovery temperature: 120ºC

 

Shrink ratio: 2:1

 

Features:

 

• Halogen-free environment, low smoke


• Complies with "RoHS" and "REACH" standards


• Soft and flexible


• UL224 VW-1 flammability


• Excellent insulation, heat resistance, and voltage performance




•  

 

Application: Widely used in electronics, subways, buildings, public facilities, and more.

 

Company name: Shanghai Wellco International Limited

 

 

Test Items	Test Methods	Performance
Temperature Rating	UL224	125ºC
Length Rate Of Change	ASTM D2671	-5ºC~+5ºC
Tensile Strength	ASTM D638	≥10.4MPa
Breaking Elongation	ASTM D638	≥200%
Hot Air Aging Test	158.0ºC/168h	-
Thermal Aging Tensile Strength	ASTM D638	≥7.3MPa
Heat Aging Breaking Elongation	ASTM D638	≥100%
Voltage Level	UL224	300V/600V
Volume Resistivity	ASTM D2671	≥1.0x10^12cm
Breakdown Voltage	UL224	2500V(60s) No Breakdown
Thermal Stock	UL224/250ºC±3ºC/4h	Does not drip, Does not flow, Does not crack
With heart	ASTM D2671	≥70%

Size	As supplied (mm)		after full Recovery(mm)
	Diameter(D)	Thickness(T)	Diameter(d)	Thickness(t)
2:1
Ф0.7	1.0+0.2/-0.1	0.18±0.05	≤0.40	0.32±0.08
Ф0.8	1.2+0.2/-0.1	0.18±0.05	≤0.45	0.34±0.08
Ф1.0	1.5+0.2/-0.1	0.18±0.05	≤0.60	0.36±0.08
Ф1.5	2.1+0.2/-0.1	0.18±0.05	≤0.80	0.36±0.08
Ф2.0	2.5+0.2/-0.1	0.20±0.05	≤1.00	0.42±0.08
Ф2.5	3.0+0.2/-0.1	0.22±0.05	≤1.25	0.46±0.08
Ф3.0	3.5+0.2/-0.1	0.22±0.05	≤1.50	0.46±0.08
Ф3.5	4.0+0.2/-0.1	0.22±0.05	≤1.75	0.46±0.08
Ф4.0	4.6+0.2/-0.1	0.22±0.05	≤2.00	0.46±0.08
Ф4.5	5.0+0.2/-0.1	0.23±0.05	≤2.25	0.46±0.08
Ф5.0	5.5+0.2/-0.1	0.25±0.05	≤2.50	0.50±0.08
Ф5.5	6.0+0.2/-0.1	0.25±0.05	≤2.75	0.50±0.08
Ф6.0	6.5+0.2/-0.1	0.25±0.05	≤3.00	0.55±0.10
Ф6.5	6.9+0.2/-0.1	0.25±0.05	≤3.25	0.55±0.10
Ф7.0	7.5+0.2/-0.1	0.25±0.05	≤3.50	0.55±0.10
Ф8.0	8.5+0.3/-0.1	0.28±0.06	≤4.00	0.58±0.10
Ф9.0	9.5+0.2/-0.1	0.28±0.06	≤4.50	0.58±0.10
Ф10	10.5+0.3/-0.1	0.28±0.06	≤5.00	0.58±0.10
Ф11	11.5+0.3/-0.1	0.28±0.06	≤5.50	0.58±0.10
Ф12	12.5+0.3/-0.1	0.28±0.06	≤6.00	0.58±0.10
Ф13	13.5+0.3/-0.1	0.28±0.06	≤6.50	0.58±0.10
Ф14	14.5+0.3/-0.1	0.28±0.06	≤7.00	0.58±0.10
Ф15	15.5+0.3/-0.1	0.28±0.06	≤7.50	0.58±0.10
Ф16	16.5+0.3/-0.1	0.28±0.06	≤8.00	0.58±0.10
Ф17	17.5+0.3/-0.1	0.28±0.06	≤8.50	0.58±0.10
Ф18	18.5+0.3/-0.1	0.32±0.08	≤9.00	0.68±0.10
Ф20	20.6+0.5/-0.2	0.32±0.08	≤10.0	0.68±0.10
Ф22	22.6+0.7/-0.2	0.35±0.08	≤11.0	0.72±0.12
Ф25	25.6+0.7/-0.2	0.40±0.10	≤12.5	0.78±0.12
Ф28	28.6+0.7/-0.2	0.40±0.10	≤14.0	0.78±0.12
Ф30	30.6+0.7/-0.2	0.40±0.10	≤15.0	0.82±0.12
Ф35	35.6+0.7/-0.2	0.45±0.10	≤17.5	0.92±0.12
Ф40	41.0±0.5	0.50±0.12	≤20.0	1.00±0.15
Ф45	46.0±0.5	0.50±0.12	≤22.5	1.00±0.15
Ф50	51.0±1.0	0.55±0.15	≤25.0	1.10±0.15
Ф55	55.5±1.0	0.55±0.15	≤27.5	1.10±0.15
Ф60	60.5±1.0	0.60±0.15	≤30.0	1.25±0.20
Ф70	71.0±1.0	0.60±0.15	≤35.0	1.25±0.20
Ф80	81.0±1.0	0.60±0.15	≤40.0	1.25±0.20
Ф90	91.0±1.0	0.60±0.15	≤45.0	1.25±0.20
Ф100	101.0±1.0	0.60±0.15	≤50.0	1.25±0.20
Note: Other sizes and colors can be available upon request

 

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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 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. They provide insulation, water-proofing, electrostatic shielding, oil resistance, chemical resistance, and high-temperature protection. Our products have passed UL certification, RoHS, and REACH standards.

 

In addition to our standard product range, we also offer customization and development of 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 dedicated to providing high-quality products to our customers.

 

Our Expertise

 

We are based in Shanghai, China and have been in operation since 2017. Our products are sold worldwide, with a focus on North America (20.00%), South Asia (20.00%), Southeast Asia (15.00%), Western Europe (15.00%), South America (5.00%), Eastern Europe (5.00%), Mid East (5.00%), Northern Europe (5.00%), Eastern Asia (3.00%), Domestic Market (3.00%), Southern Europe (2.00%), Africa (00.00%), and Central America (00.00%). Our team consists of 5-10 dedicated professionals.

 

Quality Assurance

 

We prioritize quality and ensure it through various measures:

 

• Always providing a pre-production sample before mass production


• Conducting a final inspection before shipment


 

 

Our Products

 

Our product range includes:

 

• Heat Shrink Tube


• Heat Shrink Mould Part


• Marking Sleeve


• Cold Shrink Tube


 

 

Why Choose Us?

 

When you choose us as your supplier, you benefit from:

 

• Our expertise and experience in the insulation industry for over 20 years


 

 

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