... of pigments 3.Good dispersing 4.High quality, low price Additive Masterbatch EC21C EC21C Masterbatch with LLDPE carrier resin, use ... Masterbatch fulfill RHOS certification and FDA standard in USA. No heavy metal, no poison, safety for good packing.Physical propertes IndexValueUnitTest ... can be compound with BOPP, BOPA and BOPET have no influence on compound strength and heat-sealing strengh.EC21C is ...