The doors provide drivers and passengers with access to the vehicle, and isolate external interference, reduce side impacts to a certain extent and protect occupants. The quality of a car door is mainly reflected in the anti-collision performance of the car door, the sealing performance of the car door, the convenience of opening and closing of the car door, and of course other indicators of use functions. Car doors are mainly composed of shells, door accessories and interior covers.

Functional contribution of mica powder in automotive door interior cover materials:

1. Improve dimensional stability and reduce abnormal door noise;

2. Low shrinkage rate and easy to process and form;

3. The linear expansion coefficient is small and resistant to warping;

4. Chemically inert, not easy to be corroded;

5. Improve the scratch resistance of the product.

Recommended formulas: PP+mica, PP+EPDM+mica, ABS+mica