Great Western Minerals Group Ltd. - becoming a fully integrated rare earth producer

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Nd-Fe-B

LCM is a wholly independent manufacturer of Nd-Fe-B alloys, licensed by the original patent holder, Sumitomo Special Metals Co. Ltd. Considerable expertise in raw material selection, processing conditions and product characterisation has resulted in a well-earned reputation for delivery of consistent alloys, meeting the most demanding of technical specifications. LCM also offers a scheme for taking-back sintered magnet materials from customer plants, which are re-processed into useful feedstock alloy for re-supply.

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Compositions and Purity:
Illustrating the range of compositions and typical impurity levels.
(Weight %)
Total Rare Earth Metal (TREM)	28 - 33
Neodymium	15 - 33
Dysprosium	0 - 15
Praseodymium	0 - 10
Terbium	0 - 10
Cobalt	0 - 5
Niobium	0 - 3
Gallium	0 - 1
Aluminium	0 - 1
Boron	0.8 - 1.5
Iron	Balance
Manganese	<0.05
Nickel	Nickel
Silicon	<0.1
Magnesium	<0.02
Oxygen	<0.05
Carbon	<0.02

Individual compositions are usually set by the end-user, with alloys manufactured and supplied to specifications agreed between LCM and the customer.

Alloying additions
Common alloying additions to the basic Nd-Fe-B formulations include dysprosium, niobium, gallium and cobalt.

Form
Typically material is supplied as crushed ingot up to 25mm in size. Other sizes may be offered, depending on customer requirements.

Quantity
Batch sizes range from 5kg to 5000kg.

Packaging
Inner:
Plastic Pails or polyethylene sacks, typically 25kg per packing unit.
Outer:
Steel drums up to 400kg net weight.

Quality assurance
Production processes are part of our quality management system—certified to ISO9001: 2000 standard. Each batch is supplied with a Certificate of Conformance detailing the results from full analysis according to specification.