... .Our main products R22,R134A,R12,R404a,R407C,R410,R502,R406 etc, 4.The best after-sales service.5.OEM6. Cans ... two-piece can) ,CE steel cylinder(single/double valve) Refrigerant R406: Property of chloride : Molecular Weight89.86Boiling Point, °C-32.7Critical ... Residue, PPm≤100AppearanceColorless, No turbidOdorNo Strange StenchApplication:R12 replacement. Refrigerant Gas R406a