Material & Trade Names | Manufacturing Method | Available Sizes | Relative Cost | Lead Time | Applications |
---|---|---|---|---|---|
UHWM-PE | Machined Parts | .020" to 12.00" Dia. | Very Low | 3-5 weeks | 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. | Low | 4-6 weeks | 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. | Medium | 6-8 weeks | 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. | Very High | 6-10 weeks | Custom machined parts, Clamp rings, Ferrules, Gears, Rings, Washers |
Material & Trade Names | 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 | |||||||||||||||
PTFE (PTFE) | |||||||||||||||
PEEK (Arlon, Ketron®) | |||||||||||||||
POLYIMIDE (Vespel®, Altymid®) |
UHMW-PE is lightweight plastic with excellent overall physical properties and outstanding abrasion resistance.
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.
Seals, bushings, guides, pads, plugs, rollers, spacers, u-cups, wear rings, washers
Compound | Temperature Range (°F) | Specific Graivty | Tensile Strength (PSI) | Elongation % | Wear Factor (K)X10-10 IN 3 -MIN/LB-FT-HR |
---|---|---|---|---|---|
UHMW-PE | -280 to 175° | 0.93 | 2900 | 300 | 30 |
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.
Best chemical compatibility, low friction, meets FDA, USDA and 3-A dairy requirements, excellent moisture resistant and good cryogenic capabilities down to -350° F.
Seals, bushings, back-ups, guides, pads, plugs, rollers, spacers, o-rings, wear rings, washers.
Compound | Temperature Range (°F) | Specific Graivty | Tensile Strength (PSI) | Elongation % | Wear Factor (K)X10-10 IN 3 -MIN/LB-FT-HR |
---|---|---|---|---|---|
Virgin PTFE | -350 to 550° F | 2.16 | 3500 | 300 | 2500 |
Pigmented PTFE | -268 to 550° F | 2.16 | 3500 | 300 | 150 |
Graphite Filled PTFE | -268 to 550° F | 2.05 | 2000 | 180 | 6 |
Carbon Filled PTFE | -268 to 550° F | 2.08 | 2000 | 200 | 8 |
Polymer Filled PTFE | -268 to 550° F | 2.01 | 3000 | 250 | 2 |
Mineral Filled PTFE | -268 to 550° F | 2.24 | 2500 | 250 | 2 |
PEEK is a high performance, high temperature engineered thermoplastic resistant to a wide range of environments.
Good chemical compatibility, high strength, good hot water and steam resistance, tough, good impact resistance.
Seals, bushings, back-ups, guides, pads, plugs, rollers, spacers, wear rings, washers
Compound | Temperature Range (°F) | Specific Graivty | Tensile Strength (PSI) | Elongation % | Wear Factor (K)X10-10 IN 3 -MIN/LB-FT-HR |
---|---|---|---|---|---|
Virgin PEEK | -100 to 500° F | 1.32 | 12000 | 30 | 200 |
Glass Filled PEEK | -100 to 500° F | 1.45 | 18000 | 2.5 | 50 |
Carbon Filled PEEK | -100 to 500° F | 1.46 | 20000 | 2.2 | 24 |
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.
Good chemical compatibility, high Temperature resistance (up to 600° F), high strength, high compressive strength, high stiffness.
Bushings, guides, pads, plugs, rollers, spacers, wear rings, washers, plasma tips.
Compound | Temperature Range (°F) | Specific Graivty | Tensile Strength (PSI) | Elongation % | Wear Factor (K)X10-10 IN 3 -MIN/LB-FT-HR |
---|---|---|---|---|---|
Unfilled Polyimide | -100 to 600° F | 1.35 | 10000 | 4 | 12 |
Graphite Filled Polyimide | -100 to 600° F | 1.4 | 9000 | 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.