ASTM D1562 is the standard classification system and basis for specification for cellulose acetate propionate molding and extrusion compounds (CAP). It provides a structured way to identify and specify these thermoplastic materials so buyers, producers, and users can communicate requirements consistently. For procurement, quality control, and product comparison, the standard helps align expectations around material type and specification language while keeping the focus on CAP compounds used in molding and extrusion applications.

Overview of ASTM D1562

This ASTM standard establishes a classification framework for cellulose acetate propionate molding and extrusion compounds, with a basis for specification that supports consistent material identification. ASTM D1562 is primarily useful when a technical document is needed to define CAP compounds in a clear, standardized way. By organizing the material under a recognized classification system, it helps reduce ambiguity in specifications, ordering, and internal review processes for thermoplastic resin applications.

Common use cases of ASTM D1562

ASTM D1562 is commonly used when selecting, specifying, or purchasing cellulose acetate propionate compounds for molding or extrusion work. It is relevant in product development, supplier qualification, and materials documentation where CAP grades need to be described consistently. The standard may also support communication between material suppliers and manufacturers that rely on controlled thermoplastic properties for formed parts, extruded shapes, or related conversion processes.

Benefits of using ASTM D1562

Using ASTM D1562 can improve specification consistency and help reduce misunderstandings in material selection. It supports more reliable comparison of CAP compounds during procurement and evaluation, which is valuable for quality control and compliance-oriented workflows. As a recognized ASTM standard, it can also provide a practical reference point for technical documentation, helping teams maintain clearer requirements and more structured material communication across the supply chain.

• Classification for CAP molding and extrusion compounds
• Basis for specification and material identification
• Supports procurement and supplier communication
• Useful for quality control and documentation
• Helps standardize thermoplastic material selection