| Application: | Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical Base, Shell, Motor, Insulating Varnish, Switch Baseplate |
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| Type: | Insulation Sleeve |
| Chemistry: | Organic Insulation |
| 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 
Introducing the SFKM Fluoroelastomer Heat Shrinkable Tube, brought to you by Shanghai Wellco International Limited.
The SFKM Fluoroelastomer Heat Shrinkable Tube is suitable for:
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Property
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Requirement
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Test method
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Typical data
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|
Longitudinal shrinkage
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≤10%
|
ASTM D 2671
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≤5%
|
|
Tensile strength
|
≥8.2MPa
|
ASTM D 2671
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≥12 MPa
|
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Elongation at break
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≥250%
|
ASTM D 2671
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≥400%
|
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Elongation after ageing
(250ºC,168hrs)
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≥200%
|
ASTM D 2671
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≥300%
|
|
Heat shock(300ºC,4hrs)
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No crack
|
ASTM D 2671
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No crack
|
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Low-temperature
flexibility(-55ºC,4hrs)
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No crack
|
ASTM D 2671
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No crack
|
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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
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No corrosion
|
ASTM D 2671
|
pass
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Flammability
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Self-extinguishing
within 15s
|
ASTM D 2671
|
pass
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Fluids resistance (23ºC ,24hrs)
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|||
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Tensile strength
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8.2MPa min.
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ASTM D 2671
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≥12 MPa
|
|
Elongation at break
|
250% min.
|
ASTM D 2671
|
≥400%
|
|
Normal wall Type
|
||||
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Size
|
(mm) As Supplied min.)
Inside diameter
|
(mm) After recovered
|
||
|
inch
|
mm
|
(max.)Inside diameter
|
Wall thickness
|
|
|
3/32
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Ф2.4
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2.4
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1.2
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0.51±0.08
|
|
1/8
|
Ф3.2
|
3.2
|
1.6
|
0.76±0.13
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3/16
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Ф4.8
|
4.8
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2.4
|
0.89±0.18
|
|
1/4
|
Ф6.4
|
6.4
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3.2
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0.89±0.18
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|
3/8
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Ф9.5
|
9.5
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4.8
|
0.89±0.18
|
|
1/2
|
Ф12.7
|
12.7
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6.4
|
0.89±0.18
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3/4
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Ф19.1
|
19.1
|
9.5
|
1.07±0.21
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1
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Ф25.4
|
25.4
|
12.7
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1.25±0.30
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|
1 1/2
|
Ф38.1
|
38.1
|
19.1
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1.40±0.38
|
|
2
|
Ф50.8
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50.8
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25.4
|
1.65±0.43
|
|
thin wall Type
|
||||
|
size
|
(mm)As supplied
|
(mm) After recovered
|
||
|
inch
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mm
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(min.) Inside diameter
|
(max.)Inside diameter
|
Wall thickness
|
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3/32
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Ф2.4
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2.4
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1.2
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0.30±0.08
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1/8
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Ф3.2
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3.2
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1.6
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0.33±0.08
|
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3/16
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Ф4.8
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4.8
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2.4
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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, Shanghai Wellco International Limited is a professional team specializing in the research and development, production, and sales of special heat shrink tubes and other radiation crosslinking materials. Our focus is on 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 a strong technical force with 20 years of experience and advanced production equipment. We are capable of supplying 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. They offer insulation, water-proofing, electrostatic shielding, oil resistance, chemical resistance, and high-temperature protection. Our products have successfully obtained UL certification, RoHS and REACH compliance.
In addition to our standard product range, we also offer customization options to meet specific customer requirements. We can develop products with special features according to customer needs. Our production processes adhere to the ISO9001 and IATF16949 quality management system standards, ensuring the stability and reliability of our product quality.
When it comes to heat shrink tubes and insulation tubes, Shanghai Wellco International Limited stands out as a reliable and trusted supplier. Our extensive experience, technical expertise, and commitment to quality make us the ideal choice for all your wire and cable protection needs. Contact us today to discuss your requirements and let us provide you with the perfect solution.
Suppliers with verified business licenses
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