| Customization: | Available |
|---|---|
| Application: | Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical Base, Shell, Motor, Insulating Varnish, Switch Baseplate |
| Color: | Black, Blue, Yellow, Red |
|
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SFKM Fluoroelastomer Heat Shrinkable Tube
Materials: Fluoroelastomer
Operating temperature range: -55ºC to 200ºC
Contraction temperature: Above 175ºC
Contraction ratio: 2:1
Features:
Applications:
Color: Black, Red, Yellow, Blue
UL Approved
Reference: Shanghai Wellco International Limited
|
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 temperatures, chemical resistance, EMI, and mechanical protection for wires and cables.
With strong technical expertise and advanced production equipment, we offer a variety of heat shrink tubes and insulation tubes made from 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, providing insulation, water-proofing, electrostatic shielding, oil resistance, chemical resistance, and high-temperature protection.
Our products have passed UL certification, RoHS, and REACH standards, ensuring their quality and compliance with industry regulations. Additionally, we are capable of producing customized products and developing solutions to meet specific customer requirements. Our production processes adhere to ISO9001 and IATF16949 quality management system standards, guaranteeing the stability and reliability of our product quality.
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