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Teflon Seal Ring
Material：PTFE
|
Property
|
Unit
|
Test method
|
Test parameter
|
Typical value
|
|
Specific gravity
|
g/cm3
|
ASTM D792
|
2.14
|
|
|
Ultimate elongation
|
%
|
ASTM D638
|
Microtensile
specimen of ASTM
D1708, speed of
testing 0.8mm/s
|
307
|
|
Tensile strength
|
MPa
|
ASTM D638
|
Microtensile
specimen of ASTM
D1708, speed of
testing 0.8mm/s
|
26
|
|
Compressive strength 1%
deformation
|
MPa
|
ASTM D695
|
4.4
|
|
|
hardness
|
Shore D
|
ASTM D2240
|
(Shore D - 15 sec)
|
59 |
|
Friction coefficient - dynamic
|
ASTM D 3028 (1)
|
speed 0,08m/s
load 0,1 N/mm2, sliding
surface steel roughness
Ra = 0,5 micron
|
0.05
|
|
|
Modulus of Elasticity
|
MPa
|
ASTM D638
|
278
|
|
|
Dielectric Strength (short time
Test)
|
kV/mm
|
ASTM D149
|
36
|
what is Teflon Seal Ring
Teflon seal ring has good properties of water resistance, high-temperature resistance, corrosion resistance, and anti-aging.
It has good resistance to media, solvents, and various chemical media at temperatures between -20 °C and 200 °C, and its operating pressure range is 45-60Mpa.
It is widely used in mechanical turning flat washers, piston rings, ball valve gaskets, etc. in food, pharmaceutical, and other industries. It has good properties such as corrosion resistance, high-temperature resistance, and medium resistance.
Low Friction of Teflon Seal Ring
1. Transmission efficiency: The low friction coefficient of Teflon sealing rings can reduce friction resistance, improve transmission efficiency, and make the equipment run more smoothly.
2. Energy consumption: The low friction performance of the Teflon seal ring can reduce friction resistance, thereby reducing energy consumption and contributing to energy conservation and emission reduction.
3. Mechanical wear: Low friction performance can reduce mechanical wear, extend the service life of equipment, and reduce the frequency of maintenance and replacement.
4. Stability: The low friction performance of Teflon sealing rings can improve the stability and reliability of the equipment and reduce the failure rate and downtime.
5. Noise: Low friction performance can reduce the noise when the equipment is running and improve the quality of the working environment.
6. Weight: The lightweight design of the Teflon sealing ring can reduce the weight of the equipment and facilitate transportation and operation.
Applications of Teflon Seal Ring
1. Chemical industry: Much equipment needs to be sealed against corrosive media, such as acids, alkalis, salts, etc. PTFE sealing rings can resist the erosion of these corrosive media and ensure the sealing performance and safety of the equipment.
2. Nuclear power industry: The Teflon seal ring is widely used in nuclear power equipment, such as nuclear reactors, nuclear power plants, etc. In these devices, PTFE seals are resistant to harsh environments such as radiation, high temperatures, and corrosion.
3. Machinery manufacturing industry: Much equipment needs to seal high-precision parts or lubricants and other substances. PTFE sealing rings have excellent wear resistance and self-lubricating properties, which can ensure the sealing performance of the equipment and extend the service life of the equipment.
4. Medical devices: Medical devices require high-precision seals to prevent drug leakage or cross-infection. PTFE sealing rings have exceptional sealing performance and corrosion resistance and are widely used in seals for medical devices.
5. Other fields: In addition to the above fields, the Teflon seal ring is also widely used in electronics, aerospace, automobile, and other industries. In these fields, PTFE sealing rings can exert their excellent performance to ensure the safety and stability of the equipment.
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