Astech Ireland Ltd. is ISO 9001-2015 accredited, certified by NQA.
Humidity standard, 35.0% RH, ± 0.5%RH, each with 5 ampoules per humidity value
Humidity standard, 35.0% RH, ± 0.5%RH, each with 5 ampoules per humidity value, Density (D) 1,349 g/cm³, Boiling point (bp) 130 °C