Polypropylene calcium carbonate compound (PP with CACO3)

This compound is a suitable alternative to petrochemical sources in automotive and packaging industries due to the below specifications:
-    Environmentally friendly
-    High stiffness
-    smoothness
-    Low production cost
-    Good plastic properties
Calcium carbonate improves PP properties as follows:
-    Improvement of modulus
-    Decreasing yield stress
-    Improving tensile strength
-    Accelerating crystallization and its maximum temperature
-    Increasing crystallization
-    Improving impact resistance
-    Low cost