Improve the hardness of modified PP: Aluminum Sliding Windows,Aluminium Frame Glass Sliding Window,Aluminum Vertical Sliding Window,Heat Insulated Aluminum Window Guangdong Jihua Aluminium Co., LTD , https://www.gdaaluminiumprofile.com
Fill minerals, such as: calcium carbonate, wollastonite, etc., add glass fiber, add additives, adjust the injection molding process
Adding glass fiber can improve, and it is better to choose a high hardness PP material.
If you simply consider the hardening angle, you can choose to add glass beads. After all, the surface hardness is high, and the oil absorption value is low. The overall effect should be good!