Our company supplies standard PTFE round cords as well as custom sizes, with stable quality and reliable supply.
Features of 3.2mm PTFE Round Cord
Diameter: 3.2 mm
Material: Virgin PTFE (Fluoroplastic)
Temperature Range: -200 °C to +260 °C
Color: White / Natural
Structure: Solid round cord
Chemical Resistance: Resistant to almost all chemicals (except elemental fluorine, chlorotrifluoride, and molten alkali metals)
Benefits of PTFE Round Cord
Excellent Chemical Resistance
Suitable for aggressive chemical environments where rubber seals fail.Wide Operating Temperature Range
Maintains sealing performance from extremely low to high temperatures.Low Coefficient of Friction
Ideal for applications requiring smooth assembly and reduced wear.Non-Absorbent & Moisture Resistant
Does not absorb moisture, ensuring dimensional stability in wet conditions.Outstanding Electrical Insulation
Suitable for electrical and electronic applications.Sanitary & Inert Material
Safe for use in food, pharmaceutical, and medical applications.
Typical Applications
The 3.2mm PTFE round cord is widely used across multiple industries:
Industrial sealing – static sealing of detachable joints
Chemical industry – seals exposed to corrosive media
Food processing equipment – hygienic sealing solutions
Pharmaceutical & medical devices – biocompatible and inert seals
Electrical engineering – insulation and protection
Automotive & aerospace – high-temperature and chemical resistance
Construction & machinery – dust and contamination protection
PTFE round cords are mainly recommended for static sealing applications.
Technical Considerations
Cold Flow (Creep):
PTFE may undergo plastic deformation under long-term load, especially at elevated temperatures. Proper groove design is recommended.Processing Difficulty:
Due to low surface adhesion, PTFE is difficult to weld or bond.Dynamic Use Limitation:
Dynamic use in water is not recommended because of increased wear.
Standard & Custom Sizes
The 3.2mm PTFE round cord is one of the commonly used sizes. In addition to standard diameters, we also offer custom PTFE round cords according to your drawings, samples, or technical requirements.
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