scope:

Note: Nothing in this standard supercedes applicable laws and regulations.

Note: In the event of conflict between the English and domestic language, the English language shall take precedence.

Material Description. This standard describes the requirements of dehydrated, Zeolite or crystalline sodium or potassium-sodium alumino-silicate molecular sieves desiccants in bead form, suitable for use in Hydrofluoroolefin (HFO-1234yf), Haloalkane (HFC-134a) mobile air conditioning systems.

Symbols. Not applicable. 

Typical Applications. Desiccants are used in automotive air conditioning systems to keep the refrigerant, lubricant, and components dry. Dryness is necessary to minimize hydrate formation, corrosion, and chemical reactions that may degrade system materials. 

Remarks. Not applicable.