The Critical Raw Materials Concept: Subjective, Multifactorial and Ever-Developing

  • Kosmol J
  • Müller F
  • Keßler H
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Abstract

Criticality analysis has established itself as a multifactorial, action-oriented, socio-economic raw materials scarcity assessment method which is subject to continuous development. A raw material is critical when its supply is at risk and a company or economy is vulnerable to supply restrictions of that raw material. The binary labelling of raw materials as either critical or not delivers a strong message. However, each raw material has a characteristic risk profile which may not be described by an aggregated criticality score and a discrete treshold value. A differentiated interpretation allows for a deeper understanding of the raw material supply situation and for the adoption of appropriate measures. Criticality should be understood as a continuum, subjective to the raw material system in question. A harmonised criticality methodology presented in the industrial guideline on resource efficiency (VDI 4800-II) allows for a flexible application of the concept.

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Kosmol, J., Müller, F., & Keßler, H. (2018). The Critical Raw Materials Concept: Subjective, Multifactorial and Ever-Developing (pp. 71–92). https://doi.org/10.1007/978-3-319-50079-9_5

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