Special provision 581
ADR 2025 — special provision (SP) 581, Chapter 3.3.
This entry covers mixtures of propadiene with 1 to 4 % methylacetylene as well as the following mixtures: Mixture Content, % by volume Permitted technical name for purposes of 5.4.1.1 Methylacetylene and propadiene, not more than Propane and propylene, not more than С4-saturated hydrocarbons, not less than P1 63 24 14 "Mixture P1" P2 48 50 5 "Mixture P2"