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Vocabulary Reference

MaterialComposition

class

Material Composition

Material composition information including source country, percentage, and critical raw material classification.

URI:https://ref.openepcis.io/extensions/common/core/MaterialComposition

Upstream alignment

How this class and its properties align to external and upstream vocabularies. Open a vocabulary to see the exact term-by-term relationships.

GS12 termsSEMICeu1 termSchema.org2 termsUNTP2 termsDPP Keystone4 termsBatteryPass SAMM2 terms

Properties (6)

DescriptionDomainRangeVocabularies
componentIdentifier
Component Identifier
Identifier for the material or component (e.g. an internal material code or GS1 identifier).oec:MaterialCompositionxsd:string
SEMICeuSchema.orgDPP KeystoneBatteryPass SAMM
componentName
Component Name
Human-readable name of the material or component (e.g. a fibre type, alloy, or constituent material).oec:MaterialCompositionxsd:string
GS1Schema.orgDPP Keystone
crmListVersion
CRM List Version
Version reference of the EU Critical Raw Materials list against which the isCriticalRawMaterial / isStrategicRawMaterial flags were determined (e.g. CRMA-2024 Annex II / Annex I). The list is updated periodically by the Commission.oec:MaterialCompositionxsd:string
UNTPDPP Keystone
isCriticalRawMaterial
Is Critical Raw Material
Whether this material is on the EU Critical Raw Materials list.oec:MaterialCompositionxsd:boolean—
isStrategicRawMaterial
Is Strategic Raw Material
Boolean flag: material is on the EU Strategic Raw Materials list per CRMA Annex I (2024/1252). Strategic ⊂ Critical: every strategic raw material is also a critical raw material, but not vice versa.oec:MaterialCompositionxsd:boolean
DPP KeystoneBatteryPass SAMM
massFraction
Mass Fraction
Mass fraction of this material (0-1 scale where 0.45 = 45%).oec:MaterialCompositionxsd:decimal
UNTP

Vocabulary alignment

Equivalent
MaterialComposition · QA 89%
Broader · upstream
GS1gs1:TextileMaterialDetails · QA 75% GS1gs1:PackagingMaterialDetails · QA 88%

QA % is the verifier panel's confidence. Curated mappings graded by openai/gpt-oss-20b, verified by qwen/qwen3-32b.

Referenced upstream terms

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Used as Range (1)

materialComposition

Where used

Referenced by other terms (8)

In SHACL shapes (1)

  • MaterialCompositionShapetargets

References

JSON-LD Example 

{
  "@context": "https://ref.openepcis.io/extensions/common/core/dpp-core-context.jsonld",
  "type": "MaterialComposition",
  "componentIdentifier": "...",
  "componentName": "...",
  "crmListVersion": "..."
}