Cheap PriceList for Straight Coupling(Cxc) - Mapp Gas Cylinder for Welding Gun Hand Torch Mapp Gas – Sino-Cool

Mapp gas is a mixture of various hydrocarbons,principally,methylacetylene,propadiene and Propane(MAPP).

It produces a relatively hot flame (2,976°C) with a high heat release in the primary flame (inner cone) (15,445kJ/m 3 ),less than for acetylene (18,890kJm 3 )but much higher than for propane (10,433kJm 3 ).The secondary flame (outer cone) also gives off a high heat release, similar to propane and natural gas.The combination of a lower flame temperature,more distributed heat source and larger gas flows compared with acetylene results in a substantially slower pierce time.

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