| Certification: | RoHS, ISO |
|---|---|
| Color: | Black |
| Usage: | Optical Cable, Lighting Decoration, Earphone Line, Electric Wire, DVI Line, HDMI Cable |
| Samples: |
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| Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
| Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier 
|
Item
|
Test Method
|
Indicator
|
|
Longitudinal length change rate
|
UL224
|
-10%~0
|
|
Tensile Strength
|
ASTM D2671
|
≥10.4MPa
|
|
Breaking Elongation
|
ASTM D2671
|
≥200%
|
|
Aging Test Of Hot Air
|
158.0ºC±1.0ºC/168h
|
-
|
|
Tensile Strength After Aging
|
ASTM D2671
|
≥7.3MPa
|
|
Elongation At Break After Aging
|
ASTM D2671
|
≥100%
|
|
Volume Resistivity
|
ASTM D876
|
≥1.0x1013Ω· cm
|
|
Withstanding Voltage
|
ASTM D2671
|
2500V,60s,Without breakdown
|
|
Water Absorption
|
ASTM D570
|
≤0.5%
|
|
Thermal shock (applicable to outer layer only)
|
-
|
225ºC,4h,No breakage, no dripping
|
|
Low-temperature resistance (applicable to outer layer only)
|
ASTM D2671
|
No breakage
|
|
Solvent Resistance (diesel lubricating oil)
|
-
|
23ºC,24h,Excellent
|
|
Size
|
ID as Supplied(mm)
|
After Shrinked(mm)
|
|
|
Minimum Inner Diameter
|
Maximum Inner Diameter
|
Total Wall Thickness
|
|
|
5.08
|
5.08
|
1.27
|
1.40±0.30
|
|
7.26
|
7.62
|
1.65
|
1.50±0.30
|
|
9.02
|
9.02
|
2.29
|
1.50±0.50
|
|
11.56
|
11.56
|
2.54
|
2.30±0.50
|
|
17.78
|
17.78
|
4.45
|
2.50±0.50
|
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 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 obtained UL certification, RoHS compliance, and REACH compliance.
We also specialize in producing customized products or developing products with special requirements based on customer needs. Our production processes adhere to the ISO9001 and IATF16949 quality management system standards, ensuring the stability and reliability of our product quality.
Shanghai Wellco International Limited is a professional manufacturer based in Shanghai, China. We have been in the industry since 2017 and specialize in the production and sales of special heat shrink tubes and other radiation crosslinking insulation materials. With over 20 years of experience in insulation, our founder brings extensive expertise to our products.
We prioritize quality assurance throughout our production process. We always provide a pre-production sample before mass production, ensuring that our products meet your expectations. Additionally, a final inspection is conducted before shipment to guarantee the highest level of quality.
At Shanghai Wellco International Limited, we offer a variety of products including heat shrink tubes, heat shrink mould parts, marking sleeves, and cold shrink tubes. Our products are designed to provide efficient and reliable insulation solutions.
When it comes to purchasing insulation materials, there are several reasons why you should choose us over other suppliers. Our company is dedicated to research and development, ensuring that our products are of the highest quality. With our extensive experience in the industry, we have gained a strong reputation for delivering reliable and durable insulation solutions.
We offer a range of services to meet your needs. We accept various delivery terms, including FOB, CFR, CIF, EXW, CIP, FCA, DDP, DDU, and Express Delivery. Our accepted payment currencies are 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, ensuring effective communication throughout the process.
Suppliers with verified business licenses
Audited Supplier 
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