tender for petroleum cutting gas conforming to heating value like minimum neutralflame temperature 2950 degree celcius, total heat emission-23244 kcal/m cubic(kilocalory per cubic mtr.), total heat value-12030 kcal/kg. specific gravity (ingaseous state ) - 1.52, vapour pressure (at 37.8 deg. celcius) - 120 psi & boiling range (-2)degree celcius.