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A set of MAPP and oxygen cylinders is used for oxy-fuel welding and cutting.. MAPP gas was a trademarked name, belonging to The Linde Group, a division of the former global chemical giant Union Carbide, for a fuel gas based on a stabilized mixture of methylacetylene (propyne), propadiene and propane.
MAPP gas can be used at much higher pressures than acetylene, sometimes up to 40 or 50 psi in high-volume oxy-fuel cutting torches which can cut up to 12-inch-thick (300 mm) steel. Other welding gases that develop comparable temperatures need special procedures for safe shipping and handling.
Methylacetylene-propadiene (MPS) gas is a type of fuel gas used in oxy-fuel welding and cutting torches, comprising a mixture of several gases. MPS gases [ edit ]
LME Copper futures prices are also a part of the S&P GSCI commodity index, which is a benchmark index widely followed in financial markets by traders and institutional investors. Its weighting in these commodity indices give LME Copper futures prices non-trivial influence on returns on a wide range of investment funds and portfolios. Conversely ...
This is especially important since MAPP gas is no longer produced. Wizard191 18:31, 21 August 2010 (UTC) Is there any proof that this is not the common name? "Methylacetylene-propadiene gas" gets 47 hits and "MAPP gas" gets 42,000. Vegaswikian 18:53, 30 August 2010 (UTC) "MAPP gas" is definitely more common, however, its a trademarked name that ...
MAPP or Mapp may refer to: MAPP gas, a fuel for brazing and soldering torches; Mapp (surname) Mid-continent Area Power Pool, a part of the American Midwest Reliability Organization; Mapp Biopharmaceutical, manufacturers of ZMapp Ebola vaccine; Mapp and Lucia, a series of novels featuring Miss Mapp
The Bloomberg Commodity Index (BCOM) is a broadly diversified commodity price index distributed by Bloomberg Index Services Limited.The index was originally launched in 1998 as the Dow Jones-AIG Commodity Index (DJ-AIGCI) and renamed to Dow Jones-UBS Commodity Index (DJ-UBSCI) in 2009, when UBS acquired the index from AIG.
Sulfide ores such as those commonly used to obtain copper, zinc or lead, are roasted before smelting in order to convert the sulfides to oxides, which are more readily reduced to the metal. Roasting heats the ore in the presence of oxygen from air, oxidizing the ore and liberating the sulfur as sulfur dioxide gas.