| Certification: | RoHS, ISO, Reach UL |
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| 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: |
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|---|---|
| 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 
Shanghai Wellco International Limited presents the SFKM Fluoroelastomer Heat Shrinkable Tube, designed to meet the needs of electronic device protection in high-temperature and oil environments.
UL Approved and available in black, red, yellow, and blue, the SFKM Fluoroelastomer Heat Shrinkable Tube is ideal for:
Choose the SFKM Fluoroelastomer Heat Shrinkable Tube from Shanghai Wellco International Limited for reliable and efficient electronic device protection. Order now!
|
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 applications, chemical resistance, EMI protection, and mechanical protection for wires and cables.
With our strong technical force and advanced production equipment, we offer various heat shrink tubes and insulation tubes made from materials such as modified PE, PVDF, FEP, EPDM, Silicone, FKM, and PTFE. These 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. Our products have passed UL certification, RoHS, and REACH.
We are capable of producing customized products or developing products with special requirements according to customer needs. Our production strictly follows ISO9001 and IATF16949 quality management system standards to ensure the stability and reliability of the product quality.
Shanghai Wellco International Limited is a Shanghai-based company established in 2017. We are a team of 5-10 professionals dedicated to providing high-quality heat shrink tube and other radiation crosslinking insulation materials. With over 20 years of experience in the insulation industry, our founder ensures that our products meet the highest standards.
At Shanghai Wellco International Limited, we prioritize quality assurance. We conduct a pre-production sample before mass production and a final inspection before shipment to ensure that our products meet your expectations.
Our product offerings include heat shrink tube, heat shrink mould part, marking sleeve, and cold shrink tube. These products are designed to provide efficient insulation solutions for various applications.
When it comes to purchasing insulation materials, there are several reasons why you should choose Shanghai Wellco International Limited:
We offer a range of services to cater to your needs:
Suppliers with verified business licenses
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