... ) (15,445kJ/m 3 ), less than for acetylene (18,890kJm 3 ) but much higher than for propane (10,433kJm 3 ). The secondary ... and chemical property:1. Its diameter is 75mm, height 267 mm and gross weight 980g, convenient for holding and carrying.2. The ... you good jointing and shorter working time because of its scientific blend proportion and favorable flame characteristic ELK Map gas is a mixture ...