CALMAST®MC550 is a perfect choice to help plastic product manufacturers optimize costs and improve mechanical and physical properties such as heat resistance, surface improvement, increase Impact Strength and tensile strength of the finished product. Some common applications of MJ550 (PP Calcium Carbonate Filler Masterbatch) in Injection Moulding include Food containers, Houseware: cups, bowls, chopsticks, buckets, pots…), plastic children toys