for PET twistable films,transfer film, matt film, high speed film.hig transparent film Product Name: Polyester Film Masterbatch ChipsQuality CharacteristicsFilm Grade Masterbatch ChipsItemSuper ClassA ClassQualifiedSpecified ViscosityM1±0.015M1±0.015M1±0.020Melting Point≥260259258Carboxyl≤353540Valuem±2.0m±2.0m±2.5Value≥545453Water≤0.40.40.4Product Characteristics and Application ScopeIt belongs ...