Special Products - Downloads Air PDF 205kb Ammonia PDF 121kb Butane PDF 34kb Carbon Monoxide PDF 49kb Co-Cal Gas Standard PDF 117kb Co-Methcal Gas Standard PDF 266kb Cosmic PDF 155kb Ethane PDF 118kb Ethanedinitrile PDF 269kb Ethylene PDF 121kb Foodfresh (Grade 11) PDF 114kb Foodfresh (Grade 1 - 10; 21 & 23) PDF 68kb Foodfresh (19 & 22) PDF 116kb Foodfresh (12 - 18; 20 & 24) PDF 64kb Forane R427A PDF 474Kb Frozen Air 22 PDF 30kb Frozen Air 134A PDF 71kb Frozen Air 152A PDF 25kb Frozen Air 404A PDF 24.2kb Frozen Air 408A PDF 25.8kb Frozen Air 409A PDF 24.6kb Frozenair 507 PDF 24.7kb Hydrogen Chloride - HCL PDF 101kb Helium PDF 127kb Hydrogen Sulphide PDF 34kb Liquid Helium PDF 259kb Methcals PDF 137kb Methane PDF 68kb Methane Calibration Gas Standards PDF 66kb Naf S111 Fire Extinguishing Agent PDF 240kb NAF S125 PDF 197kb NAF S227 PDF 272kb Nitrous Oxide PDF 210kb P-10 Quench Gas PDF 114kb Propane PDF 132kb R22 PDF 153kb R1234yf PDF 417kb R134a PDF 35kb R152A PDF 149kb R404A PDF 124kb R410A PDF 215kb R417A PDF 307kb R507 PDF 131kb R744 PDF 56Kb Ripegas PDF 40kb Sulphur Dioxide PDF 203kb Sulphur Hexafluoride PDF 103kb Vapormate (Rev2) PDF 103kb 2% Propane, 3%n - Butane B al Dimethylether PDF 78kb