Reliability, traceability and certification

Non-refillable cylinders, like all calibration gases manufactured by Air Products, are traceable to national standards and issued with a Certificate of Analysis in accordance with ISO 6141. The huge experience of Air Products in producing mixtures, as well as the extensive accreditation received by the company’s laboratories means an extra guarantee for the user of these mixtures. Gas mixtures are blended gravimetrically and when combined with our advanced cylinder preparation techniques ensure mixture accuracy, optimum stability and maximum shelf life.