Linde Polymer Tec Co.,Ltd. is one of the most experienced manufacturers and suppliers of peek support sealing ring in China, also supports customized service. Please feel free to buy high quality peek support sealing ring for sale here from our factory.
PEEK support sealing ring
It is a high-performance sealing product that uses polyether ether ketone (PEEK) as the base material. The following is a detailed product introduction of PEEK support sealing ring:
Material properties: PEEK is a high-temperature engineering plastic with excellent properties and has the following characteristics:
High temperature tolerance: PEEK can be used in high temperature environments for a long time, and can withstand temperatures above 260°C (500°F).
| Physical properties | Rating | unit | Test Methods |
| Density | 1.31 | g/cm³ | ISO 1183 |
| Water absorption (equilibrium, 23°C, 50% RH) | 0.2 | % | ISO 62 |
| Hardness | Rating | unit | Test Methods |
| Shore hardness (Shore D) | 88 | ISO 868 | |
| Ball pressure hardness | 230 | MPa | ISO 2039-1 |
| Mechanical behavior | Rating | unit | Test Methods |
| Tensile modulus | 4000 | MPa | ISO 527-2 |
| Tensile Stress (Yield) | 110 | MPa | ISO 527-2 |
| Tensile strain (fracture) | 20 | % | ISO 527-2 |
| Thermal properties | Rating | unit | Test Methods |
| Heat distortion temperature (1.8 MPa, not annealed) |
152 | °C | ISO 75-2/A |
| Continuous use temperature | |||
| -- 1 | -60.0 to 250 | °C | |
| -- 2 | < 310 | °C | |
| Melting temperature | 343 | °C | ISO 11357-3 |
| Linear Thermal Expansion Coefficient - Flow | 5.00E-05 | cm/cm/°C | DIN 53752 |
| Specific heat | 1340 | J/kg/°C | DIN 52612 |
| Thermal Conductivity | 0.25 | W/m/K | DIN 52612 |
| Electrical properties | Rating | unit | Test Methods |
| surface resistivity | 1.00E+18 | ohms | IEC 60093 |
| Volume resistivity | 4.90E+16 | ohms·cm | IEC 60093 |
| Dielectric constant | 3.2 | IEC 60250 | |
| Dissipation factor (50 Hz) | 1.00E-03 | IEC 60250 |
Excellent chemical stability: PEEK has good resistance to most chemicals, including acids, alkalis, solvents and corrosive media.
Excellent mechanical properties: PEEK has good rigidity, tensile strength and wear resistance, and has excellent mechanical properties.
Low friction coefficient: PEEK has a smooth surface and low friction coefficient, which helps reduce friction loss and wear.
Structural design: PEEK support sealing ring usually consists of two parts:
Outer ring: The outer ring is a ring-shaped structure made of PEEK material, which has excellent wear resistance and chemical corrosion resistance and can protect the inner ring from erosion and wear by external media.
Inner Ring: The inner ring is an annular structure made of elastic material (such as rubber), its function is to provide a sealing effect and maintain pressure.
Application fields: PEEK support sealing rings are widely used in sealing environments that require high temperature, high pressure and chemical corrosion resistance.
Common application fields include
Oil and gas industry: used for sealing equipment such as valves, pumps and pipelines.
Chemical industry: used in chemical equipment, reactors and seals, etc.
Aerospace industry: used in aircraft engines, aviation doors and spacecraft, etc.
Advantages and features
High temperature tolerance: PEEK support sealing ring can maintain good sealing performance and mechanical strength in high temperature environments.
Chemical corrosion resistance: PEEK material has good resistance to a variety of chemical media and can be used in corrosive environments for a long time.
Low friction and wear: PEEK support seal ring has good self-lubricating properties, reducing friction and wear and extending service life.
Dimensional stability: PEEK has excellent dimensional stability and is not easily affected by temperature changes and media, ensuring a stable sealing effect.
It should be noted that specific PEEK support sealing ring products may have different designs and specifications, and the appropriate product can be selected according to specific application requirements.
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