ASTM D1667 is the ASTM standard that defines the specification for flexible cellular materials made from poly(vinyl chloride) foam with a closed-cell structure. It is useful for identifying the technical requirements that such foam products are expected to meet, supporting consistent product selection, quality control, and purchasing decisions. As a focused materials specification, it helps buyers and manufacturers evaluate closed-cell PVC foam against a recognized ASTM reference.

ASTM D1667 standard overview

The official title, Standard Specification for Flexible Cellular Materials—Poly (Vinyl Chloride) Foam (Closed-Cell), shows that this document is centered on a specific foam material family rather than a broad class of plastics. ASTM D1667 provides a technical framework for describing and comparing closed-cell PVC foam products in a consistent way. That makes it relevant wherever flexible cellular materials need to be specified with clearer expectations for material identity, product conformity, and procurement references.

Where is ASTM D1667 used?

This standard is commonly used in product specification, supplier qualification, and material review for closed-cell poly(vinyl chloride) foam. It may be referenced by manufacturers, purchasers, and quality teams working with flexible cellular materials that need to be identified and documented under a recognized ASTM standard. ASTM D1667 is especially helpful when a project requires a precise material description and a shared basis for comparing foam products from different sources.

Practical importance of ASTM D1667

In practice, ASTM D1667 supports more consistent communication between buyers, sellers, and testing or quality control teams. By pointing to a defined specification for closed-cell PVC foam, it can reduce ambiguity during procurement and product evaluation. It also helps organizations align internal material requirements with a formal ASTM standard, which may improve compliance tracking, acceptance decisions, and documentation for flexible cellular material applications.

• Specification for closed-cell PVC foam
• Material identification and classification
• Procurement and supplier reference
• Quality control and conformity checks
• Consistent product comparison