Original: 10-12 S/m Thermal conductivity 0.25 W/(m·K) Melting point 463 K-624 K 190°C-350°C 374°F-663°F Nylon is a generic designation for a family of synthetic polymers known generically as polyamides and first produced on February 28, 1935 by Wallace Carothers at DuPont.
Simplified: Nylon was first produced on February 28, 1935, by Wallace Carothers at Du-Pont.