Our huge range of products also includes a wide array of Silicon Encapsulated O Rings. These products are quite popular with our huge client base. Elastomeric, rubber O-rings suffer from high friction and limited resistance to aggressive chemicals and gas permeation. Solid Teflon O-rings are rigid with no effective memory and high compression set. INVENTRO’S Teflon Encapsulated O-rings combine the resilience and sealing force of an elastomer with the chemical resistance of Teflon.This is accomplished by the use of an elastomeric core of silicone or Viton, with a relatively thin encapsulation of Teflon FEP or PFA polymer. This produces an elastomeric PTFE seal with maximum sealing capability. FEP Encapsulated O-rings are solvent resistant and chemically inert (except for attack by alkaline metals, fluorine and some halogenated compounds at high temperatures) yet have an elastomeric memory near that of rubber O-rings. FEP polymer also has an extremely low coefficient of friction (.1 to .2) and very low permeability to gases, making CHEM-RINGS a virtually universal seal for uasge in hostile environments.
ID FROM 5.3 MM TO VIRTUALLY ANY SIZE
1.5, 1.6, 1.78, 2, 2.4, 2.5, 2.62, 3, 3.15, 3.5, 3.53, 3.8, 4, 4.3, 4.5, 4.75, 5, 5.33, 5.5, 5.7,6, 6.3, 6.44, 6.5, 7, 7.5, 8, 8.4, 9, 14, 15, 16, 18.
Encapsulation material: fep: tetraflouroethylenehexafluoropropylene.
Core material: silicone fpltrd70-10 peroxide cured
Continuous service temperature: fep 400f /204c. , pfa 500f/260c.
Coefficient of friction: . 1 to . 2 on metal.
Water absorption: <0. 01.
High chemical resistance:
Chemical attack and swelling are the primary causes of o-ring failure. Encapsulated o-inert.
Outperforms solid ptfe o-rings:
Encapsulated o-rings match the chemical and temperature resistance of solid ptfe possess properties of elasticity and recovery which are crucial in many sealing applications.
Encapsulated o-rings economically and effectively replace kalrez and other exotic o-ring compounds. decrease downtime and hence increase profitability wherever corrosive fluids and gases cause premature seal failure.
Wide temperature range:
Encapsulated o-rings withstand breakdown caused by industrial solvents and corrosive temperatures from -60° c/-75° f to +205° c/400° f.
Non stick surface:
Provides easy cleanup of viscous materials.
Low coefficient of friction:
.2 on metal. Self lubricating surface.
Eiminates contamination of fluids by elastomers. Sterilizable and autoclavable. Fda compliant, usp class available for specific applications.
Available in standard and metric sizes to virtually unlimited larger sizes.