| Certification: | RoHS, ISO, Reach UL |
|---|---|
| Color: | Black, Blue, Yellow, Red |
| IP Rating: | IP68 |
| Samples: |
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| Customization: |
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|
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
|
|---|---|
| Initial Payment Full Payment |
| Currency: | US$ |
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| 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 
Materials: Fluoroelastomer
Operating temperature range: -55ºC~200ºC
Contraction temperature: above 175ºC
Contraction ratio: 2:1
Features:
Applications:
Color: Black, Red, Yellow, Blue
UL Approved
|
Property
|
Requirement
|
Test method
|
Typical data
|
|
Longitudinal shrinkage
|
≤10%
|
ASTM D 2671
|
≤5%
|
|
Tensile strength
|
≥8.2MPa
|
ASTM D 2671
|
≥12 MPa
|
|
Elongation at break
|
≥250%
|
ASTM D 2671
|
≥400%
|
|
Elongation after ageing
(250ºC,168hrs)
|
≥200%
|
ASTM D 2671
|
≥300%
|
|
Heat shock(300ºC,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
|
pass
|
|
Dielectric strength
|
7.9 KV/mm min.
|
ASTM D 2671
|
≥12 KV/mm
|
|
Volume resistivity
|
109Ω·cm min.
|
ASTM D 876
|
≥109Ω·cm
|
|
Corrosion
|
No corrosion
|
ASTM D 2671
|
pass
|
|
Flammability
|
Self-extinguishing
within 15s
|
ASTM D 2671
|
pass
|
|
Fluids resistance (23ºC ,24hrs)
|
|||
|
Tensile strength
|
8.2MPa min.
|
ASTM D 2671
|
≥12 MPa
|
|
Elongation at break
|
250% min.
|
ASTM D 2671
|
≥400%
|
|
Normal wall Type
|
||||
|
Size
|
(mm) As Supplied min.)
Inside diameter
|
(mm) After recovered
|
||
|
inch
|
mm
|
(max.)Inside diameter
|
Wall thickness
|
|
|
3/32
|
Ф2.4
|
2.4
|
1.2
|
0.51±0.08
|
|
1/8
|
Ф3.2
|
3.2
|
1.6
|
0.76±0.13
|
|
3/16
|
Ф4.8
|
4.8
|
2.4
|
0.89±0.18
|
|
1/4
|
Ф6.4
|
6.4
|
3.2
|
0.89±0.18
|
|
3/8
|
Ф9.5
|
9.5
|
4.8
|
0.89±0.18
|
|
1/2
|
Ф12.7
|
12.7
|
6.4
|
0.89±0.18
|
|
3/4
|
Ф19.1
|
19.1
|
9.5
|
1.07±0.21
|
|
1
|
Ф25.4
|
25.4
|
12.7
|
1.25±0.30
|
|
1 1/2
|
Ф38.1
|
38.1
|
19.1
|
1.40±0.38
|
|
2
|
Ф50.8
|
50.8
|
25.4
|
1.65±0.43
|
|
thin wall Type
|
||||
|
size
|
(mm)As supplied
|
(mm) After recovered
|
||
|
inch
|
mm
|
(min.) Inside diameter
|
(max.)Inside diameter
|
Wall thickness
|
|
3/32
|
Ф2.4
|
2.4
|
1.2
|
0.30±0.08
|
|
1/8
|
Ф3.2
|
3.2
|
1.6
|
0.33±0.08
|
|
3/16
|
Ф4.8
|
4.8
|
2.4
|
0.36±0.10
|
|
1/4
|
Ф6.4
|
6.4
|
3.2
|
0.41±0.10
|
|
3/8
|
Ф9.5
|
9.5
|
4.8
|
0.48±0.10
|
|
1/2
|
Ф12.7
|
12.7
|
6.4
|
0.48±0.10
|
|
3/4
|
Ф19.1
|
19.1
|
9.5
|
0.69±0.10
|
|
1
|
Ф25.4
|
25.4
|
12.7
|
0.79±0.10
|
|
1 1/2
|
Ф38.1
|
38.1
|
19.1
|
0.94±0.10
|
|
2
|
Ф50.8
|
50.8
|
25.4
|
1.02±0.10
|
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.
Our company boasts strong technical expertise with 20 years of experience and advanced production equipment. We offer a variety of heat shrink tubes and insulation tubes made from modified PE, PVDF, FEP, EPDM, Silicone, FKM, FEP, PTFE, and other materials. These products find extensive applications in electronic communication, automobile, high-speed rail, electric motor, aviation, medical, and other industries. They provide excellent insulation, water-proofing, electrostatic shielding, oil resistance, chemical resistance, and high-temperature protection. Our products have been certified by UL, RoHS, and REACH.
At Shanghai Wellco International Limited, we also specialize in producing custom-made products and developing solutions tailored to meet specific customer requirements. We strictly adhere to ISO9001 and IATF16949 quality management system standards during our production processes to ensure the stability and reliability of our product quality.
Welcome to Shanghai Wellco International Limited! We are a professional manufacturer of special heat shrink tubes and other radiation crosslinking insulation materials. With over 20 years of experience in the insulation industry, we guarantee high-quality products that meet your needs.
Based in Shanghai, China, we have been operating since 2017. Our office consists of a team of 5-10 dedicated individuals.
We prioritize quality assurance at every step of the production process. We provide pre-production samples for your approval before mass production, and conduct final inspections to ensure that only the best products are shipped to you.
Discover our wide range of products, including heat shrink tubes, heat shrink mould parts, marking sleeves, and cold shrink tubes.
There are several reasons to choose Shanghai Wellco International Limited as your supplier:
Take advantage of our flexible services:
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