PET Resin/Chip/Granule - Bottle Grade Product Overview Virgin PET resin with intrinsic viscosity (IV) range of 0.76-0.89, specifically engineered for various bottle applications including water, edible oil, hot fill, carbonated soft drinks (CSD), CSD fast reheat, and 5-gallon bottles. The main difference between the grades is the IV viscosity of PET — intrinsic viscosity is matched to the type of bottle each application requires. Specifications Material: 100% Virgin PET