R290(propane), also known as cold coal, is a new type of environmental refrigerant, mainly used in central air conditioning, heat pump air conditioning, household air conditioning and other small refrigeration equipment.
High purity GRADE R290 is used as temperature sensitive working medium; Prime grade and First grade R290 can be used as refrigerant to replace R22 and R502, compatible with original systems and lubricants for central air conditioning, heat pump air conditioning, domestic air conditioning and other small refrigeration equipment, as well as metal oxygen cutting gas.
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