PAI

The Torlon PAI grades, combining excellent retention of mechanical strength, stiffness and creep resistance over a wide temperature range with extremely low thermal expansion up to 250°C, are top-rank materials for high temperature applications.

Torlon is the Quadrant (DSM/Erta/Polypenco) tradename for a range of polyamide-imide materials.

Torlon 4203 PAI

(Colours: Yellow-ochre only)
Torlon 4203 PAI offers the best toughness and impact strength of all Torlon PAI grades. Because of its intrinsic high temperature resistance, high dimensional stability and good machinability, Torlon 4203 PAI is very popular for precision parts in high-tech equipment. In addition, its good electrical insulating ability provides numerous possibilities in the field of electrical components.
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Torlon 4301 PAI

(Colours: Black only)
The addition of PTFE and graphite provides higher wear resistance and lower coefficient of friction compared to the unfilled grade. Torlon 4301 PAI also offers excellent dimensional stability over a wide temperature range. This grade excels in severe wear applications such as non-lubricated bearings, seals, bearings cages and reciprocating compressor parts.
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Torlon 4503 PAI

(Colours: Yellow-ochre only)
This compression moulded material is similar in composition to Torlon 4203 PAI, and is selected when larger shapes are required.
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Torlon 4501 PAI

(Colours: Black only)
This compression moulded material is similar in composition to Torlon 4301 PAI, and is selected when larger shapes are required.
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Torlon 5530 PAI

(Colours: Khaki-grey only)
This 30% glass fibre reinforced grade offers higher stiffness, strength and creep resistance than Torlon 4203 PAI. It is well suited for structural applications supporting static loads for long periods of time at high temperatures. In addition, Torlon 5530 PAI exhibits superb dimensional stability up to 250°C making it extremely popular for precision parts for example in the electrical and semiconductor industries. The suitability of Torlon 5530 PAI for sliding parts, however, is to be carefully examined since the glass fibres tend to abrade the mating surface.
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PAI ESd (Semitron 520HR)

(Colours: Khaki-grey only)
Semitron ESd 520HR has an industry first combination of electrostatic dissipation (ESd), high strength and heat resistance. This new ESd material is ideal for making nests, sockets and contactors for test equipment and other device handling components in the semiconductor industry. The key feature of Semitron ESd 520HR is its unique ability to resist dielectric breakdown at high voltages (>100V). Whereas e.g. typical carbon fiber enhanced products become irreversibly more conductive when exposed to even moderate voltages, Semitron ESd 520HR maintains its electrical performance throughout the voltage range 100 to 1000 V, while offering the mechanical performance needed to excel in demanding applications.
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