TECAST® T Rod

TECAST® T Black is cast nylon 6 (PA 6 C) in black, and Ensinger publishes it as the more UV resistant of the TECAST® T colours and the better choice for outdoor applications. The casting route - caprolactam polymerised in the mould rather than melt-extruded from pellets - gives high molecular weight, high crystallinity and very low internal stress, so thick plate and large-diameter rod machine predictably. Tensile strength is 12,000 psi at yield on a 350,000 psi tensile modulus, flexural strength is 12,000 psi, Izod impact is 1.20 ft-lb/in and compressive strength is 14,000 psi at 10% strain.

It is machined into sheaves, gears, sprockets, bearings, bushings, rollers, wear pads and slide strips for conveyors, agricultural and construction machinery, mining and materials handling, especially where the part is exposed to sun and weather. Long-term service is 200°F with 300°F intermittent, heat deflection temperature is 200°F at 264 psi, the melting point is 428°F, the dynamic coefficient of friction is 0.26 at 40 psi and 50 fpm and flammability is UL 94 HB. Moisture is the real constraint, as with all cast nylon: uptake is 1.2% in 24 hours and parts grow with it, so tolerance accordingly for wet or humid duty.