Fuchs Referenzfluessigkeit IRM 903 is a reference oil, IRM REFERENCE OILS per ASTM D 471-06 Description - The ASTM standard test method D 471-06 deals with the effect of liquids on elastomers (“Rubber Property – Effect of Liquids”). Besides describing the procedures for various elastomer tests, it lists standard test liquids with which reference measurements can be performed. The ASTM D 471-06 method divides the standard test liquids into three groups: · IRM reference oils · ASTM reference fuels · ASTM service liquids IRM Reference oils - The reference oils listed under IRM — IRM 901, IRM 902 and IRM 903 — are mineral oils with different paraffin and aromatic concentrations. Basically, the effect on elastomers increases as the content of aromatics increases (swelling behaviour). ...
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