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The Torlon, PEEK & Ultra Performance Polymer
Manufacturing Experts

Torlon Rod now also available in metric Sizes.
Tolerances of +0.05/-0 mm on request. Ask us.
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Why Torlon ?

whytorlon-1 Torlon® polyamide imide is recognized as the highest performance thermoplastic that is still melt processible. Torlon® can be extruded into shapes and injection molded into custom geometries. With a 270°C and more heat distortion temperature (softening temperature) and a 200 - 220 °C continuous service temperature(UL RTI), Torlon offers unmatched strength at elevated temperatures. It is better at 200°C than other engineering resins at room temperature. Torlon is also tougher and more impact resistant at cryogenic temperatures than other high strength polymers.

whytorlon-1
It’s exceptional properties are the result of being transformed from a thermoplastic to a cross-linked thermoset during an extended curing process.* Glass-reinforced and carbon fiber reinforced grades offer even greater stiffness plus enhanced thermal expansion properties.

*Drake Plastics cures all Torlon® products prior to shipment.

High Strength Torlon PAI


Torlon® 4200 Non-reinforced PAI

PAI without TiO2 for maximum inertness, toughness and fatigue resistance, no additives.
Data Sheet Price and Availability

• Rod

Drake PAI 4200 is Torlon 4000 T resin which has been pelletized, making it suitable for extrusion or injection molding. Drake PAI 4200 is a temperature extreme capable, high purity and high-performance thermoplastic for parts requiring the performance of unreinforced PAI such as Torlon 4203, but without the TiO2, which is considered a potential contaminant in some applications.

T4200 vs PEEK&PI


The physical properties of Drake PAI 4200 are like those of Torlon 4203. The Torlon 4203 formulation includes a few percent TiO2 as a pigment to make a distinctive yellow/gold color. Concerns about the release of TiO2 has long worried leading semiconductor chip manufacturers.

The utilization of Drake PAI 4200 alleviates the concern that titanium dioxide particles released during plasma etching may contaminate the nano-scale topography of today’s micro circuitry. Better resistance to plasma than PEEK and polyimides within the etching processes for computer chip manufacture.

Drake PAI 4200 is stronger and stiffer than PEEK and PI over a wide temperature range, as shown in the graph.

Torlon® 4203/4203L PAI


Torlon 4203 Stronger and Tougher than PEEK and polyimide from cryogenic to 275°C.

Data Sheet Price and Availability

• Rod

• Seamless Tubes
• Plate
• Balls

Torlon 4203 and Torlon 4203L are non-reinforced polyamide-imide. The “L” designates resin designed for injection molded shapes and parts. Extruded shapes are made from the highest viscosity Torlon 4203 resin resulting in improved toughness, impact strength and fatigue resistance over injection molded parts. Torlon 4203 is the toughest and most impact resistant of the Torlon grades making it the choice for highly loaded wheels, rollers and balls. It has excellent dielectric properties and is also the best thermal insulator making Torlon 4203 ideal for:

• Valve seats/seals requiring high strength and dimensional stability
• Rollers, wheels and balls
• Aerospace electrical components requiring high strength, heat resistance and low flammability
• Thermal and electrical insulators


Torlon® 5030


30% Glass Fiber reinforced, 1% fluorocarbon.
• High-temperature thermal/electrical insulators, burn-in/test sockets, valve seats, fasteners and activation balls.

Data Sheet Price and Availability

• Rod

• Seamless Tubes
• Plate


Torlon® 5060


60% Glass Fiber reinforced PAI, 1% fluorocarbon

Data Sheet Price and Availability

• Rod

• Strongest and Toughest PAI from cryogenic to 270°C

• Drake PAI 5060 is a highly loaded composite with 60 percent fiber reinforcement. Prior to the introduction of Drake PAI 5060, the maximum reinforcement available in Torlon PAI was 30 percent.

• Torlon 5060’s balance of extremely high modulus (stiffness), minimal CLTE (dimensional change with temperature) and machinability make it an excellent upgrade to difficult to fabricate high-performance polymers or ceramics. Tensile tests confirm the modulus is more than 50 percent higher than glass reinforced PEEK, while the thermal expansion is reduced to the range of steel. Its modulus is more than 50 percent greater than Torlon 5030.

• Torlon 5060 is ideal for:

- High temperature thermal/electrical insulators
- Test sockets for IC’s
- Fasteners
- Activation balls and valve seats


Torlon® 7130


30% Carbon Fiber reinforced PAI, 3% fluorocarbon

• Mechanical linkages, rollers, labyrinth seals, impellors, valve plates, vanes, back-up seal rings.

Data Sheet Price and Availability

• Rod

• Seamless Tubes
• Plate

Wear Resistant Torlon Grades

F&W Comparison

Torlon® 4301


General purpose bearing grade 12% Graphite, 3% PTFE
• High load Bearings, thrust washers, wear pads, seals, bushings, valve seats.

Data Sheet Price and Availability

• Rod

• Seamless Tubes
• Plate


Torlon® 4275


High speed bearing & wear applications. 3% fluorocarbon, 30% graphite.
• Torlon® 4275 High speed bearing & wear applications • Higher Speed Bearings & Bushings, Bearing Cages, Piston Rings.

Data Sheet Price and Availability

• Rod

• Seamless Tubes
• Plate


Torlon® 4435


High modulus sliding wear
• Torlon® 4435 High modulus sliding wear
• Sliding Vanes, thrust washers and bobbins, piston seal rings.
Data Sheet Price and Availability

• Rod

• Seamless Tubes
• Plate


Torlon® 4630


Highest performance wear
• Bearing applications requiring the lowest possible wear rate.

Data Sheet Price and Availability

• Rod

• Seamless Tubes
• Plate


Torlon® 4645


Similar to 4630 for externally lubricated condition
• Transmission & Gearbox Seal Rings and Thrust washers.

Data Sheet Price and Availability

• Rod

• Seamless Tubes
• Plate