ASTM D4067

ASTM D4067 is the standard that outlines a classification system and basis for specification for reinforced and filled poly(phenylene sulfide) (PPS) injection molding and extrusion materials. It helps define how these materials are identified and specified using ASTM methods, supporting more consistent product selection and communication between buyers and suppliers. For organizations working with PPS compounds, this standard is a practical reference for aligning material requirements with testing and quality expectations.

What is ASTM D4067?

ASTM D4067 provides a structured framework for classifying reinforced and filled PPS materials intended for injection molding and extrusion. Its focus is on establishing a common basis for specification rather than describing a finished part or a single test method. By tying material classification to ASTM methods, it helps users compare PPS compounds in a consistent way and supports clearer technical purchasing and material approval decisions. ASTM D4067 is therefore useful when standardized material definition is needed.

Where is ASTM D4067 used?

This standard is commonly used in material specification, procurement, and product development work involving reinforced or filled PPS resin compounds. It is relevant anywhere injection molding or extrusion materials need to be identified, classified, or checked against a defined basis for specification. In practice, ASTM D4067 may be used by material suppliers, converters, quality teams, and engineering groups that need a shared reference for PPS material descriptions and acceptance criteria.

Why is ASTM D4067 important?

ASTM D4067 matters because it supports consistency in how PPS materials are specified and evaluated. A clear classification system can reduce confusion during procurement, improve communication across the supply chain, and help buyers compare materials more reliably. It also supports quality control and compliance efforts by giving users a recognized ASTM reference for material definition. For technical teams, that can mean fewer specification errors and better control over material selection.

• Reinforced and filled PPS material classification
• Injection molding and extrusion applications
• Basis for specification using ASTM methods
• Material comparison and procurement support
• Quality and compliance reference