Teflon® O-Rings Custom PTFE Seals and High Performance Plastics

PTFE Teflon Seal Cross Section
  • Custom machined PTFE and High performance Plastics like UHMW PE, PEEK, Polyimide…
  • PTFE O-Rings, PTFE Seals, PTFE Gaskets, PTFE Lip Seals, PTFE Guides, PTFE Bushings, PTFE Spacers…
  • View our high performance plastic selection reference guide.

HIGH PERFORMANCE PLASTICS

UHWM-PE PTFE
(PTFE)
PEEK
(Arlon, Ketron®)
POLYIMIDE
(Vespel®, Altymid®)
Manufacturing
Method
Machined Parts Machined Parts Machined Parts
& Stock Shapes
Machined Parts
& Stock Shapes
Available Sizes .020" to 12.00" Dia. .020 to 60.00" Dia. .020" to 12.00" Dia. .020" to 12.00" Dia.
Relative Cost O-ring Price Comparison 1 O-ring Price Comparison 2 O-ring Price Comparison 3 O-ring Price Comparison 5
Typical Lead Time 3-5 weeks 4-6 weeks 6-8 weeks 6-10 weeks
Applications
  • Bushings
  • Guides
  • Machined custom parts
  • Pads
  • Plugs
  • Rollers
  • Seals
  • Spacers
  • Supports
  • U-cups
  • Washers
  • Wear rings
  • Seals
  • Back-up rings
  • Custom machined parts
  • O-rings
  • Seals
  • Skived tape
  • Metal Spring Energized Seals
  • Valve seats
  • Washers
  • Back-up rings
  • Bearings
  • Blocks
  • Bushings
  • Guides
  • Rollers and wheels
  • Plugs
  • Seals
  • Spacers
  • Supports
  • Valve seats
  • Washers
  • Wear rings
  • And many more custom parts
  • Custom machined parts
  • Clamp rings
  • Ferrules
  • Gears
  • Rings
  • Washers

COMPATIBILITY

Materials & Tradenames: UHWM-PE PTFE
(PTFE)
PEEK
(Arlon, Ketron®)
POLYIMIDE
(Vespel®, Altymid®)
Acids Weak Check Mark Red
Chlorinated Solvents Check Mark Red Check Mark Red Check Mark Red
Alkalies Weak Check Mark Red Check Mark Red Check Mark Red
Alkalies Strong Check Mark Red Check Mark Red
Autoclavable Check Mark Red Check Mark Red
High Strength Check Mark Red
UV Stable Check Mark Red
Higher Impact Strength Check Mark Red
Bearing/Low Wear Check Mark Red Check Mark Red Check Mark Red Check Mark Red
High Purity Check Mark Red Check Mark Red
Wafer Processing Check Mark Red Check Mark Red
Low Outgassing Check Mark Red Check Mark Red Check Mark Red
Cryogenic Material (-238° F) Check Mark Red Check Mark Red Check Mark Red
High Temp. (>300° F) Check Mark Red Check Mark Red Check Mark Red
Cold Temp. (-0° F) Check Mark Red Check Mark Red Check Mark Red

UHMW-PE (Ultra High Molecular Weight Polyethylene)

UHMW-PE is lightweight plastic with excellent overall physical properties and outstanding abrasion resistance.

Features: Good chemical compatibility, meets FDA, USDA and 3-A dairy requirements, excellent abrasion resistance, impact resistant, moisture resistant and good cryogenic capabilities -280° F to + 175° F.
Applications: Seals, bushings, guides, pads, plugs, rollers, spacers, u-cups, wear rings, washers

Compound Temperature Range (°F) Specific Gravity Tensile Strength (psi) Elongation % Wear Factor
(K)x10-10
in 3 -min/lb-ft-hr
UHMW-PE -280 to 175° F 0.93 2,900 300 30

PTFE (Polytetrafluoroethylene), PTFE, Avalon®, Hostaflon®

PTFE is the most widely used fluoropolymer material with an almost universal chemical compatibility and wide range of temperature capabilities. PTFE offers unique properties which make it suitable for a wide range of applications.

Features: Best chemical compatibility, low friction, meets FDA, USDA and 3-A dairy requirements, excellent moisture resistant and good cryogenic capabilities down to -350° F.
Applications: Seals, bushings, back-ups, guides, pads, plugs, rollers, spacers, o-rings, wear rings, washers.

Compound Temperature Range (°F) Specific Gravity Tensile Strength (psi) Elongation % Wear Factor
(K)x10-10
in 3 -min/lb-ft-hr
Virgin PTFE -350 to 550° F 2.16 3,500 300 2,500
Pigmented PTFE -268 to 550° F 2.16 3,500 300 150
Graphite Filled PTFE -268 to 550° F 2.05 2,000 180 6
Carbon Filled PTFE -268 to 550° F 2.08 2,000 200 8
Polymer Filled PTFE -268 to 550° F 2.01 3,000 250 2
Mineral Filled PTFE -268 to 550° F 2.24 2,500 250 2

PEEK (Polyetheretherketone) Arlon®

PEEK is a high performance, high temperature engineered thermoplastic resistant to a wide range of environments.

Features: Good chemical compatibility, high strength, good hot water and steam resistance, tough, good impact resistance.
Applications: Seals, bushings, back-ups, guides, pads, plugs, rollers, spacers, wear rings, washers

Compound Temperature Range (°F) Specific Gravity Tensile Strength (psi) Elongation % Wear Factor
(K)x10-10
in 3 -min/lb-ft-hr
Virgin PEEK -100 to 500° F 1.32 12,000 30 200
Glass Filled PEEK -100 to 500° F 1.45 18,000 2.5 50
Carbon Filled PEEK -100 to 500° F 1.46 20,000 2.2 24

POLYIMIDE Vespel® Altymid®

Polyimide polymers offer a broad combination of temperature and chemical resistance, as well as mechanical toughness and excellent lubricity for a wide range of applications.

Features: Good chemical compatibility, high Temperature resistance (up to 600° F), high strength, high compressive strength, high stiffness.
Applications: Bushings, guides, pads, plugs, rollers, spacers, wear rings, washers, plasma tips.

Compound Temperature Range (°F) Specific Gravity Tensile Strength (psi) Elongation % Wear Factor
(K)x10-10
in 3 -min/lb-ft-hr
Unfilled Polyimide -100 to 600° F 1.35 10,000 4 12
Graphite Filled
Polyimide
-100 to 600° F 1.4 9,000 4 8


PTFE, Vespel® are registered trade names of Dupont
Hostaflon® is a registered trade name of Dyneon
Altymid®, Arlon®, Avalon® are registered trade names of Greene, Tweed & Co.


Back to the Semiconductor Page

New Customer Hotline: 800-775-6525

Existing Customer Specialist: 800-775-6525 or repeat customers

Marco Rubber & Plastics
PO Box 1150
Seabrook, NH 03874

Contact
Home