| 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: |
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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 
The SFKM Fluoroelastomer Heat Shrinkable Tube, manufactured by Shanghai Wellco International Limited, is designed to meet the reading habits of English-speaking natives. Made from high-quality fluoroelastomer material, this heat shrinkable tube offers exceptional performance in various applications.
Available in Black, Red, Yellow, and Blue.
This SFKM Fluoroelastomer Heat Shrinkable Tube is UL Approved, guaranteeing its quality and reliability.
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Property
|
Requirement
|
Test method
|
Typical data
|
|
Longitudinal shrinkage
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≤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
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≥12 KV/mm
|
|
Volume resistivity
|
109Ω·cm min.
|
ASTM D 876
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≥109Ω·cm
|
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Corrosion
|
No corrosion
|
ASTM D 2671
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pass
|
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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
|
With 18 years of experience in R&D, production, and sales of special heat shrink tube and other radiation crosslinking materials, Shanghai Wellco International Limited is a professional team dedicated to providing high-quality products and solutions for wire and cable insulation, connection, waterproofing, high temperature applications, chemical resistance, EMI protection, and mechanical protection.
Our company boasts a strong technical force and advanced production equipment, allowing us to supply a wide range of heat shrink and insulation tubes made from materials such as modified PE, PVDF, FEP, EPDM, Silicone, FKM, and PTFE. These products find extensive use 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.
Rest assured, our products have passed UL certification, RoHS, and REACH standards, ensuring their quality, safety, and environmental compliance.
At Shanghai Wellco International Limited, we understand the importance of meeting customer requirements. That's why we offer customized products and development of solutions tailored to your specific needs. We adhere to ISO9001 and IATF16949 quality management system standards during production to guarantee the stability and reliability of our products.
Choose Shanghai Wellco International Limited for top-notch heat shrink tube and insulation solutions. Contact us today for more information or to discuss your unique requirements.
About Us
Shanghai Wellco International Limited, based in Shanghai, China, was established in 2017. We are a professional manufacturer of special heat shrink tubes, heat shrink mould parts, marking sleeves, and cold shrink tubes. With over 20 years of experience in insulation, our team is dedicated to providing high-quality products.
Quality Guarantee
We prioritize quality assurance at every step of the process. Before mass production, we always provide a pre-production sample for approval. Additionally, a final inspection is conducted before shipment to ensure that only the best products are delivered to our customers.
Our Products
Our product range includes heat shrink tubes, heat shrink mould parts, marking sleeves, and cold shrink tubes. These products are designed to provide effective radiation crosslinking insulation for various applications.
Why Choose Us
When you choose Shanghai Wellco International Limited, you benefit from our expertise in the insulation industry. Our team has extensive experience and a deep understanding of the market. We are committed to delivering top-notch products that meet your specific requirements.
Our Services
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
Suppliers with verified business licenses
Audited Supplier 
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