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Best Practices Guidelines for Material and Substance Characterization

This document provides implementation details for two sections of the HPD Open Standard:
  • Material Type: A broad classification of a material based on chemical makeup and molecular structure
  • Substance Role: A term that captures the substance’s purpose or function for inclusion in the material or product
In both cases, HPDC is providing a suggested list of terms that manufacturers are asked to choose from. The purpose of this is to support manufacturers in entering consistent, high-quality information on HPDs. This document provides that list of term, and additional instructions and information.