1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 08 10 N-STATUS No replacement named D. DiGregorio, NA 2004 05 13 Revised Para 3.0 inserted; para 3.10 & 4 deleted 1963 07 26 Released AS2-343 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 1 of 1 OIL, C
2、OMPRESSOR - REFRIGERATION ESA-M2C31-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE This material is a straight petroleum oil, free from all impurities. It shall not decompose or deposit solids under the action of sulphur dioxide vapor when heated in a sealed glass tube (free of air and moisture) at 260 C
3、and 85 psi (586 kPa) absolute pressure and must not decompose when a solution of equal volumes of oil and dichlorodifluoromethane (ESA-M17B2-A) are allowed to evaporate in an open flask. 2. APPLICATION This specification was released originally for oils used in air conditioning compressors operating
4、 within the temperature range of - 40 C to 121 C. 3. REQUIREMENTS STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.1 GRAVITY 21 - 23 (ASTM D 287) 3.2 FLASH POINT, min 1
5、71 C (ASTM D 92) 3.3 FIRE POINT, min 188 C (ASTM D 92) 3.4 VISCOSITY AT 40 C 95 - 105 cSt (mm2/s) (ASTM D 445) 3.5 COLOR N.P.A. 1-1/2 - 3 3.6 POUR POINT, max -24 C (ASTM D 97) 3.7 NEUTRALIZATION NUMBER Neutral (ASTM D 974 - D 664) 3.8 DIELECTRIC STRENGTH, min 25 kV 3.9 FLOC TEST (CLOUDINESS), max -34 C (10% lubricant 90% refrigerant)
