Quadrant Engineering Plastic Products' stock shapes made of crystalline thermoplastics polyester are marketed under the trade names Ertalyte (virgin grade) and Ertalyte TX (filled grade)
Main Characteristics
| High mechanical strength, stiffness and hardness |
| Very good creep resistance |
| Low and constant coefficient of friction |
| Excellent wear resistance (comparable with or even better than nylon grades) |
| Very good dimensional stability (better than polyacetal) |
| Excellent stain resistance |
| Better resistance to acids than nylon and polyacetal |
| Good electrical insulating properties |
| Physiologically inert (suitable for food contact) |
| Good resistance to high energy radiation (gamma and X-rays) |