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Material Grade is a standardized classification of a raw or semi-finished substance—such as a polymer, metal alloy, textile fabric, or paperboard—defined by a consistent set of technical specifications, chemical compositions, and performance characteristics.

Unlike a "Finished Good" (which has a specific shape and function) or a "Batch" (which represents a single production run), a Material Grade represents a "Type" of material that remains constant across multiple production cycles and diverse end-use applications. It is the primary level at which Technical Dossiers and Compliance Evidence (e.g., REACH, RoHS, PFAS-free, or FSC certifications) are established and maintained.

Key Structural Attributes:
* Technical DNA: Defines the intrinsic properties (e.g., tensile strength, melt flow index, or GSM) and chemical makeup (CAS/EC numbers) of the material.
* Compliance Anchor: Acts as the "Parent" record for laboratory test results. In a circular economy, the Material Grade is the level where recyclability and toxicity data are legally anchored.
* Data Inheritance: Facilitates a "One-to-Many" relationship in data management. A single Material Grade (e.g., Grade 304 Stainless Steel or Recycled HDPE Resin) may be used to manufacture thousands of different unique parts or components.

Traceability Interoperability: Provides the link between the Primary Material Producer (the source) and the Final Product Manufacturer (the assembler). It ensures that sustainability data—such as Carbon Footprint (PCF) or Recycled Content—can be accurately passed through the value chain without redundant data entry.

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