*Electric Power Industry Standard Gas Mixture Product Description Ingredient
Balance Gas
CO 700ppm H2 1000ppm CO2 3000ppm/5000ppm CH4 100ppm C2H6 100ppm ...
R134A Refrigerant Gas for Refrigerator Freeze Air Conditioner Description1. R134a is used as a "high-temperature" refrigerant for domestic refrigeration and automobile air conditio...