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ASTM D 4549 : 2015 : R2021 Standard Classification System and Basis for Specification for Polystyrene and Rubber-Modified Polystyrene Molding and Extrusion Materials (PS)
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| Committee | D 20 |
| DocumentType | Standard |
| Pages | 5 |
| PublisherName | American Society for Testing and Materials |
| Status | Current |
| Supersedes | ASTM D 4549 : 2015 |