... a series of processing done by our company, the nano calcium carbonate can be applied for PVC (PVC), ... polypropylene (PP), polystyrene (PS) and other plastics industries. Nano calcium carbonate for plastic CCR-1 has smaller particle size ... PVC plastic film and other plastic product industry.Activated Nano Precipitated Calcium Carbonate ItemSpecificationCaCo3 content (%)98BET surface area ( ...