Factory supplied Teflon Gasket Washer - FEP Encapsulated Silicone Manlid seals – Lucky Star Seal Detail:
Encapsulation
FEP
The most versatile when considering overall corrosion resistance, sealing capability and temperature.Temperature range -450 to + 400 degrees F. (-267 to 205 degrees C)
PFA
A fluorocarbon copolymer similar to FEP but it also offers greatly improved mechanical and creep properties at elevated operating temperatures. Temperature range -450 to +500 degrees
F. (-267 to +260 degrees C).
Physical Properties of Encapsulated O-rings:
Core material:
Silicon rubber: 85-90A Viton elastomers: 90-95A
Hollow Silicone Rubber: 75-80A Water absorption: <0.01
Features:
1.Excellent chemical resistance, is suitable for almost all chemical medium (strong oxidation, reducing solvent);
2.Good corrosion resistance ( Strong acid and alkali solvent );
3.Good compression resistance ≥30%;
4.Low Coefficient of Friction (only 0.1 ~ 0.2);
5.Good resistance to dissolve (≤0.1%) ;
6.High pressure resistantance(up to 60Mpa );
7.Excellent sealing persistence , increase 500% life time.
Product detail pictures:

Related Product Guide:
Tips On Fitting A PTFE Ring Gasket In The Flange Joints
All You Need To Know About The PTFE Ring Gasket
Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" plus the theory of "quality the basic, have faith in the main and management the advanced" for Factory supplied Teflon Gasket Washer - FEP Encapsulated Silicone Manlid seals – Lucky Star Seal, The product will supply to all over the world, such as: Guyana , Porto , Qatar , We focus on providing service for our clients as a key element in strengthening our long-term relationships. Our continual availability of high grade products in combination with our excellent pre-sale and after-sales service ensures strong competitiveness in an increasingly globalized market.

The factory has advanced equipment, experienced staffs and good management level, so product quality had assurance, this cooperation is very relaxed and happy!
