Products
Fluoro-polymers
FEP/PFA Encapsulated Silicone O Ring
Teflon ® encapsulated o-rings and spring energized seals offer many performance benefits in demanding environments. FEP and PFA Teflon ® fluoropolymer shell delivers excellent chemical resistance with the energizing resiliency of a rubber elastomer core combines the best of both materials for o-rings with extreme chemical and temperature resistance.
Please reference our Teflon ® encapsulated o-ring material comparison chart and sizing capabilities guide. Teflon ® encapsulated o-rings are more stiff than solid rubber so can require special groove design considerations for optimal performance. Contact our responsive experts for engineering support.
XLONG SEAL has many commonly used sizes of Teflon ® encapsulated o-rings in-stock, and custom sizes are made within a few weeks without tooling fees.
FEP Encapsulated Silicone O-Rings
O-Ring with a FEP or PFA (Teflon®) outer layer encapsulating a Silicone core. The Teflon® shell offers excellent chemical and temperature resistance while the Silicone core provides the resiliency needed to provide effective sealing. Readily available in common USA and metric cross-sections and nearly unlimited diameters. CPD# T1002 is FEP encapsulated Solid Silicone with improved chemical resistance up to +400 o F. CPD# T1022 is PFA encapsulated Solid Silicone up to +500 o F.
FEP Encapsulated FKM (Viton ® ) Core
O-Ring with a FEP (Teflon®) outer layer encapsulating a Solid FKM (Viton®) core. The Teflon® shell offers excellent chemical and temperature resistance while the FKM core provides the resiliency needed to provide effective sealing. The FKM core provides increased chemicals and compression set resistance resulting in longer lasting sealing in some applications. Readily available in common USA and metric cross-sections and nearly unlimited diameters. CPD# T1001 is FEP encapsulated Solid FKM with improved chemical resistance up to +400 o F
FEP-encapsulated O-Rings (Fluorinated Ethylene Propylene):
Outstanding chemical and corrosion resistance
Low coefficient of friction
Resilience with choice of elastomeric cores
Low compression set
Temperature range: -75°F to 400°F (-60°C to 205°C)
Unlimited sizes (No tooling charges)
Solid & hollow silicone, Viton® cores
FDA compliant materials available
USP Class VI approved materials available
| FEP Tubing Features | PFA Tubing Features |
|
Wide range of chemical resistance High corrosion resistance Low compression set Low coefficient of friction Temp range of -60°C to 205°C FDA, USP CLASS VI, Sanitary 3A Compliant |
All benefits of FEP Increased temp range of -60°C to +260°C Higher mechanical strength Increased stress and crack resistance Potential sealing issues due to stiffness |
Kalfon is a high-tech enterprise,who has 1,500 square meters of industrial plant and office space . Kaflon is equipped with European imported seal cutting equipment and multiple sets of spring tension and pressure testing machines, sealing ring low-temperature testing equipment, and light welding machines, etc. equipment.
Through a series of product research and development, Kaflon produces ultra-low temperature, high pressure resistance, corrosion resistance and other harsh environment sealing products, breaking the monopoly of foreign suppliers in many fields.
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