To prevent over filling during transfer, a container with recycled refrigerant should be filled to what maximum percentage?

When transferring recycled refrigerant, it's crucial to avoid overfilling containers to ensure safe handling and to maintain the integrity of the refrigerant. The recommended maximum fill percentage for a container of recycled refrigerant is typically set at 60 percent. This allowance provides adequate space for the refrigerant to expand, especially when subjected to temperature changes, thereby reducing the risk of pressure build-up that could lead to leaks or other safety hazards.

Filling a container beyond this recommended level can compromise safety protocols, as refrigerants can expand when heated. The 60 percent rule is a precautionary measure that helps to allow for this expansion, ensuring that the container can accommodate changes in pressure without exceeding its capacity.