... Sealing Machine CaCO3 Filler Masterbatch 1. EC11B: 75% exquisite CaCO3 powder, can be used in film and bottle, ... exquisite CaCO3 powder, can be used in film and bottle.3. EC12B: 78% normal CaCO3 powder, can ... be used in film and bottle.4. EC21B: 80% exquisite CaCO3 powder, can ... be used in film and bottle. Whiter than EC21C5. EC21C: 80% exquisite CaCO3 ...