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

Teflon O-Rings

High Performance Plastics:

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

Compatibility:

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