COMPOSITIONS, SYSTEM AND METHODS FOR INTRODUCING PAG LUBRICANT OR REFRIGERANT INTO AN AIR-CONDITIONING OR SYSTEM USING LOWER OR LOW GWP REFRIGERANT OR REFRIGERANT BLENDS

Compositions, systems and methods for introducing lubricants, and additives, that are designed to work with environmentally friendly refrigerants into vehicle heat management systems including passenger compartment air conditioning (A/C) systems are disclosed. Methods for charging lubricants and specific additives using environmentally desirable (low GWP) refrigerant or refrigerant blend compositions into an environmentally friendly system, such as a system that uses HFO-1234yf, are also disclosed.