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Mianyang Prochema Commercial Co.,Ltd.&GUS Industry (Hongkong) Co,.limited
Mianyang Prochema Commercial Co.,Ltd.&Gus Industry (Hongkong) Co,.limited Perfect and professional Fluoroproducts for perfect markets Warm and kind service for every buyer Customized and small

FEP Encapsulated FKM/FPM O-Ring

FEP Encapsulated FKM/FPM O-Ring

Brand Name : prochema
Place of Origin : China
MOQ : 50pcs
Price : USD0.5-30
Payment Terms : T/T, Western Union, MoneyGram
Supply Ability : 50000pcs per month
Delivery Time : 14 days after payment arrivals.
Packaging Details : plastic bag &carton
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FEP Encapsulated FKM/FPM O-Ring

FEP encapsulated O-rings comprise of an elastomer core which has been seamlessly encapsulated in a jacket of Teflon® fluoropolymer. The core is either Viton ®, Silicone or EPDM. The jacket is FEP or PFA.

FEP encapsulated O-rings are recommended when a standard O-ring has inadequate chemical resistance for an application. They are also recommended when a solid PTFE O-ring does not have the elasticity for reliable, long term fluid sealing. They are often used where chemical resistance and or hygiene is required.

Typical industries include:
• Chemical.
• Petrochemical.
• Food.
• Pharmaceutical.

Note: If you need any products of ours, please kindly contact with us directly by following contaction . Then we can reply you faster and easy . Thanks


Encapsulated seals were primarily designed to solve the growing problems of sealing corrosive fluids in industry. This development provided designers and engineers with a seal that combined the chemical resistance of Teflon® with the resilience of rubber.

A seamless Teflon® jacket surrounds the elastomer core providing the chemical inertness, whilst the memory in the elastomer core energises the seal.

Encapsulated seals are available with two types of Teflon® jacket – FEP which is standard, and PFA for more demanding applications.

The energising core is available in Viton®, Silicone or EPDM.

Viton® is offered as the standard because of its superior compression set. For low-temperature applications, or where lower closure forces are required a Silicone core is specified.

The design variations available, together with combined performance characteristics of both the jacket material and elastomer core , ensures that encapsulated seals will be an effective solution for many troublesome applications.

Technical data:

Pressure <=35MPa
Working Temperature:

PTFE FEP:-60/+205 ℃. can stand 260 ℃ in short time.
PTFE PFA:-60/+260℃.can stand 300℃ in short time.

Medium:air,fluid and solide medium
Compressibility Section 2%,Dynamic 6%-20%,Static 15%-30%


1.super chemical-resistance,can resistant nearly all the chemical medium
2.good corrosiveness resistance
3.wide temperature range.
4.good wear-resistance
5.good shrinking-resistance.
6.good sealing effect,long service time

For detailed sizes and information ,please don't hesitate to get contact with us .

Skype:michaelprochema email Whatapp 0086 18009064783 QQ676245587 Wechat :feijij20j10

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FEP Encapsulated FKM/FPM O-Ring Images

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