limestone powder -Spring Cone crusher
2012-06-25
A limestone powder in plastic:
1, incremental and reduce costs.
2, to improve the heat resistance of plastics, 40% CaCO3 added to the polypropylene, the heat distortion temperature can be increased by about 20 ℃.
3, to improve the astigmatism of the plastic, and play the role of shading or extinction.
4, to improve plating performance of the plastics or printing performance.
Reduce the size of p