- -80%
ASTM D 3321 : 2026 : REDLINE Standard Test Method for Use of Handheld Refractometers for the Determination of the Freeze Point and % Glycol of Aqueous Engine Coolants
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| Committee | D 15 |
| DocumentType | Redline |
| Pages | 10 |
| PublisherName | American Society for Testing and Materials |
| Status | Current |
| Supersedes | ASTM D 3321 : 2019 : R2023 : REDLINE |