Duratron® T4203 PAI

Also see Torlon 4203 PAI

Electrical or High Strength Applications

Exruded Grade


Duratron® T4203 PAI (Polyamide-imide) offers excellent compressive strength and the highest elongation of the Duratron® grades. It also provides electrical insulation and exceptional impact strength. This grade is commonly used for electrical connectors and insulators due to its high dielectric strength. Its ability to carry high loads over a broad temperature range makes it ideal for structural components such as linkage and seal rings. Duratron® T4203 PAI is also an excellent choice for wear applications involving impact loading and abrasive wear.

ISO 9001:2008 Certified


Application Overview

  • Proven Applications

    High Temperature Electrical Connectors

    Duratron T4203 PAI and Duratron T5030 PAI provide outstanding electrical performance and high temperature stability. (Prior materials: Nylon, Quadrant PPS, Duratron® PEI)

    Bearing Cages

    Duratron T4203 and T4301 PAI’s low expansion rate and excellent wear resistance enable manufacturers to increase bearing speeds and extend part life. (Prior materials: Steel Cages, Hardened Steel Balls, Bronze Bushings)

    Can Mandrel

    Duratron T4203 PAI’s extraordinary compressive strength and abrasion resistance permit higher production rates, longer part life, and increased support of aluminum cans during printing. (Prior materials: Nylon, UHMW, Ceramic-coated Steel)

DURATRON is a registered trademark of Quadrant Engineering Plastic Products.