Engineering plastics
Technical polymers for sliding, sealing and insulating parts and for contact with chemicals and food, as rod, sheet and tube or machined to drawing by Dustre.
Engineering plastics: materials supplied by Dustre
Forms: Bar, Plate, Pipe, Casting, Machined part. Click a material to see properties, friction and PV, chemical resistance, standards and applications.
| Material | Abbreviation | Continuous temp. | Forms |
|---|---|---|---|
| Cast nylon (PA6 G) – natural, oil-filled and MoS₂-filledPolyamide (nylon) · Cast polyamide 6 for large rods and sheets, bushings, sheaves and gears | PA6 G (nylon cast) | 100 °C | Bar, Plate, Pipe, Casting, Machined part |
| Extruded nylon PA6 and PA66 (polyamide)Polyamide (nylon) · Extruded polyamide for bushings, gears and general-purpose engineering parts | PA6 / PA66 | 100 °C | Bar, Plate, Pipe, Machined part |
| PAI (Torlon® 4301) – polyamide-imideHigh-performance polymer · The strongest thermoplastic up to 260 °C, bearing grade with PTFE and graphite | PAI | 260 °C | Bar, Plate, Pipe, Machined part |
| PC – polycarbonatePolycarbonate · Transparent thermoplastic with high impact strength up to about 120 °C | PC | 120 °C | Bar, Plate, Pipe, Machined part |
| HDPE – high-density polyethylene (PE 300 / PE 500)Polyolefin (PE and PP) · Light, weldable, chemical-resistant polyolefin for sheets, tanks and boards | PEAD (PE-HD, PE 300) | 80 °C | Bar, Plate, Pipe, Machined part |
| PEEK – polyether ether ketoneHigh-performance polymer · High-performance thermoplastic: mechanical, chemical and thermal resistance up… | PEEK | 260 °C | Bar, Plate, Pipe, Machined part |
| Reinforced PEEK – GF30, CF30 and bearing gradeHigh-performance polymer · PEEK with glass fiber, carbon fiber or a sliding filler package… | PEEK GF30 / CF30 / mancal | 260 °C | Bar, Plate, Pipe, Machined part |
| PEI (Ultem®) – polyetherimideHigh-performance polymer · Amber amorphous thermoplastic, stiff and flame retardant up to 170 °C | PEI | 170 °C | Bar, Plate, Pipe, Machined part |
| PET-C (Ertalyte®) – semi-crystalline polyester, natural and PTFE-filledThermoplastic polyester · The engineering plastic with the highest dimensional stability and low wear in… | PET-C / PET + PTFE | 115 / 100 °C | Bar, Plate, Pipe, Machined part |
| PI – polyimide (Vespel®, TECASINT, Duratron PI)High-performance polymer · The highest-temperature plastic: continuous use near 290 °C, no melting | PI | 290 °C | Bar, Plate, Pipe, Machined part |
| Polyacetal (POM, Delrin®) – copolymer and homopolymerPolyacetal (POM) · Precision engineering plastic: stiff, stable and low-friction up to about 100 °C | POM-C / POM-H | 100 °C | Bar, Plate, Pipe, Machined part |
| PP – polypropylene homopolymerPolyolefin (PE and PP) · Weldable, chemical-resistant polyolefin up to about 100 °C | PP-H | 100 °C | Bar, Plate, Pipe, Machined part |
| PPS – polyphenylene sulfideHigh-performance polymer · High-performance plastic with dimensional stability and chemical resistance up… | PPS | 220 °C | Bar, Plate, Pipe, Machined part |
| PTFE with 25% glass fiberFluoropolymer · Glass-filled PTFE: less creep and wear, keeping its chemical resistance | PTFE + 25 % vidro | 260 °C | Bar, Plate, Pipe, Machined part |
| Bronze-filled PTFE (40% and 60%) – bronze TeflonFluoropolymer · Bronze-filled PTFE for guide rings, bushings and loaded hydraulic seals | PTFE + bronze | 260 °C | Bar, Plate, Pipe, Machined part |
| Carbon- and graphite-filled PTFE (25% C and 15% graphite)Fluoropolymer · Carbon- or graphite-filled PTFE for sliding in water, steam and chemicals | PTFE + carbono / grafite | 260 °C | Bar, Plate, Pipe, Machined part |
| Virgin PTFE (Teflon®) – polytetrafluoroethyleneFluoropolymer · Fluoropolymer with minimal friction and near-total chemical inertness, from −200… | PTFE | 260 °C | Bar, Plate, Pipe, Machined part |
| PVDF – polyvinylidene fluorideFluoropolymer · Stiff, weldable fluoropolymer for the chemical industry up to 140 °C | PVDF | 140 °C | Bar, Plate, Pipe, Machined part |
| UHMW – ultra-high molecular weight polyethylene (PE 1000)Polyolefin (PE and PP) · The plastic with the highest abrasion and impact resistance, up to 80 °C | PE-UHMW (PE 1000) | 80 °C | Bar, Plate, Pipe, Machined part |
Did not find the material? See all materials or ask the technical team.
About engineering plastics
Each engineering plastic covers a range of temperature and load. General-purpose grades (UHMW, nylon, acetal and PET) work up to about 80 to 110 °C and solve most guides, rollers, bushings and gears. High-performance grades (PTFE, PVDF, PEEK) go from 150 to 260 °C and resist almost all chemicals; PEEK adds mechanical strength close to that of light alloys.
Fillers change the behavior: bronze, carbon, graphite and glass fiber reduce the cold flow of PTFE and raise its wear resistance; oil and MoS₂ lower the friction of cast nylon; carbon fiber and PTFE make the bearing grades of PEEK. So the right material depends on load (P), speed (V), temperature and medium more than on the trade name.
Dustre supplies the raw material (rod, sheet, tube and bushing stock) and the machined part to drawing: guide and seal rings, bushings, valve seats, scrapers, rollers and gears, in the same order as the metal parts.
See also
Frequently asked questions
Are Teflon and PTFE the same thing?
Yes. PTFE (polytetrafluoroethylene) is the polymer; Teflon® is the Chemours trademark that became the common name. Teflon rod is PTFE rod.
Which plastic replaces bronze in bushings and rings?
It depends on load, speed and temperature. PTFE with 40 to 60% bronze accepts poor lubrication and up to about 260 °C; bearing-grade PEEK takes higher load and temperature; oil-filled cast nylon solves general-purpose bushings at lower cost. Compare the PV limit on each data sheet.
Cast or extruded nylon?
Cast nylon (PA6 G) comes in large rods and plates, with less internal stress and better stability in machining. Extruded nylon (PA6 and PA66) is usual in smaller diameters. Both absorb water and change dimensions in humid environments.
Does Dustre sell only raw material or also the part?
Both: rod, sheet, tube and bushing stock cut to size, or the part machined to drawing or sample.
