FORD M99C119-A-1991 OIL TRANSFORMER《变压器油》.pdf

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1、 NON-PRODUCTION MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Action Changes1991 09 01Page 1 of 1OIL, TRANSFORMER M99C119-A1. SCOPE: The Material desired under this standard is a refined mineraloil.2. APPLICATION: This mineral oil is generally used in electrical oilswitches, oil circu

2、it breakers and transformers for indoor and outdoorequipment.3. REQUIREMENTS:3.1 FLASH POINT: 132 C min(ASTM D 92)3.2 VISCOSITY at 37.8 C 7.26-10.9 cSt(ASTM D 445)3.3 POUR POINT: -37 C max(ASTM D 97)3.4 DIELECTRIC STRENGTH: 23,000 volts min(ASTM D 877)3.5 CORROSIVE SULFUR: non-corrosive(ASTM D 1275)

3、3.6 UNSATURATION TEST: The oil shall not contain more than 4% ofhydrocarbons soluble in concentrated sulfuric acid. Test Method:Technical Paper No. 323 Bureau of Mines - Part 2.4. STANDARD PARAGRAPHS: The following Standard Paragraphs as defined inManufacturing Standard MCX are herewith made a part of this standard:A2, A5, A8, C1, C2 (initial approval only), P1, P2, P3, R1, R2.