Nylon 66 (Nylon 66) and nylon 6 (Nylon 6) mechanical properties:
Nylon 66: Nylon 66 generally has higher strength and hardness, as well as better wear resistance, making it suitable for applications requiring high mechanical properties.
Nylon 6: Nylon 6 is relatively low in strength and hardness, but has good toughness and impact properties.