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D4067-23 – Standard Test Method Technical Guide
📐 Purpose and Scope of the D4067-23 Standard
ASTM D4067-23 establishes a classification system for reinforced and filled poly(phenylene sulfide) (PPS) materials used in injection molding and extrusion. It provides a standardized line call-out system using ASTM test methods, ensuring reproducibility and consistent communication between suppliers and manufacturers. It is explicitly stated in Section 1.2 that this standard is not for material selection; personnel with plastics expertise must handle selection based on performance, design, and economics.
⚠️ Regulatory Advisory: Per Note 2, users are encouraged to evaluate switching to ASTM D6358, which covers the same PPS family but aligns with ISO test methods and current industry practices. This standard has been