Minor Metals Trade Association

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The Minor Metals Trade Association (MMTA) is a world-wide industry association whose members are involved in over 49 metals that are not traded on exchanges. The MMTA membership includes around 150 companies from 30 different countries that trade in excess of US$10 billion of minor metals annually.[1]


The MMTA serves to benefit and promote the interests of the international minor metals industry and the MMTA membership, comprising companies actively involved in all aspects of the international trade of these metals in all their various forms. The MMTA does not host a marketplace for minor metals or publish price information.


The Association was established by London-based metals traders including Peter Robbins in 1973.[2] It is based in Central London on Whitehall Court. The MMTA was established to provide clear trading rules for minor metals and to guide and inform the nascent industry.

Minor Metals[edit]

Metals covered by the MMTA include: Antimony (Sb), Arsenic (As), Beryllium (Be), Bismuth (Bi), Cadmium (Cd), Cerium (Ce), Chromium (Cr), Cobalt (Co), Gadolinium (Gd), Gallium (Ga), Germanium (Ge), Hafnium (Hf), Indium (In), Lithium (Li), Magnesium (Mg), Manganese (Mn), Mercury (Hg), Molybdenum (Mo), Neodymium (Nd), Niobium (Nb), Iridium (Ir), Osmium (Os), Praseodymium (Pr), Rhenium (Re), Rhodium (Rh), Ruthenium (Ru), Samarium (Sm), Selenium (Se), Silicon (Si), Tantalum (Ta), Tellurium (Te), Titanium (Ti), Tungsten (W), Vanadium (V), Zirconium (Zr). Also numerous ferro alloys and several semi-refined products are covered.

Other metal associations[edit]


  1. ^ Darby, G. History & Change: Minor Metals Behind a Modern World. Retrieved March 31, 2010 from http://www.mmta.co.uk/about/history/
  2. ^ http://www.mmta.co.uk/crucible/july-2012/index.html#/10/ The Crucible Magazine - July 2012

External links[edit]