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Standard Test Method for Elastomer Compatibility of Lubricating Greases and Fluids
Automatische name übersetzung:
Standard Test Method for Elastomer Kompatibilität von Schmierfetten und Flüssigkeiten
NORM herausgegeben am 1.1.1995
Bezeichnung normen: ASTM D4289-97
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.1.1995
SKU: NS-26694
Zahl der Seiten: 7
Gewicht ca.: 21 g (0.05 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Keywords:
compatibility, density, elastomer, fluid, grease, immersion, lubricant, lubricating grease, relative, rubber, seal(s), ICS Number Code 75.100 (Lubricants, industrial oils and related products)
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1.1 This test method evaluates the compatibility of lubricating greases and fluids with coupons cut from standard elastomer sheets (Practice D3182) or, optionally, from SAE Specification AMS 3217/2A (NBR-L) and AMS 3217/3A (CR) sheets. Compatibility is evaluated by determining the changes in volume and Durometer A hardness that occur when elastomer coupons are totally immersed in a lubricant sample for 70 h at either 100 or 150oC or as required by the lubricant specification. 1.1.1 Some lubricant specifications may require different test conditions, such as longer durations or lower or higher temperatures. In such instances, the repeatability and reproducibility values stated in Section 12 do not apply, and the user and supplier should agree on acceptable limits of precision. Note 1--The scope of this test method now includes the evaluation of the elastomer compatibility of both lubricating fluids and greases. Testing of fluids was not included in Test Method D4289 - 95 and earlier versions.1.2 This test method can also be used as a guide to evaluate the compatibility of greases with rubber products not in standard sheet form (Practice D3183). 1.3 The values stated in SI and Durometer A units shall be regarded as the standard. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For specific hazard statements, see Note 6, Note 7, and Note 8. |
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