... Turbid Model Number: 6.5KG PER CYLINDER ISOBUTANE R600A QUALITY INDEX: Quality standardPurity, %≥99.9 Moisture, PPm≤10 Acidity, ... COMPANY IN THIS FIELD. (REFRIGERANT GASES). HIGH PURITY GASES! COMPETITIVE PRICE ! HC-REFRIGARANT R600A R290, R1270 R170. HFC-REFRIGERANT R134A ... 99.9%, some above 99.5%. it reaches the international standard quality requirement. It also the best quality refrigerant gas ...