1、ENGINEERING MATERIAL SPECIFICATION LUBRICANT, POLYALKYLENE GLYCOL WSH-M1C231-B INACTIVE WST-M1C231-B2 INACTIVE WSS-M1C231-B3 1. SCOPE WSH-M1C231-B: This material specification defines the physical and chemical properties of a polyalkylene glycol based synthetic lubricant to be used with HFC-134a. WS
2、T-M1C231-B2: This material specification defines the physical and chemical properties of a polyalkylene glycol based synthetic lubricant to be used with HFC-134a; for heavy truck air conditioning systems. WSS-M1C231-B3: This material specification defines the physical and chemical properties of a po
3、lyalkylene glycol based synthetic lubricant to be used for seals in HVAC systems that use HFC-134a type refrigerants. 2. APPLICATION This specification was released originally for oils used in air conditioning compressors operating within the temperature range of -40 to 125 C. 3. REQUIREMENTS 3.0 ST
4、ANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). B B2 B3 3.3 SPECIFIC GRAVITY 0.95 - 1.05 0.98 - 1.08 1.02 - 1.08 (ASTM D4052, 20 C) 3.4 VISCOSITY (ISO 3164/ASTM D445/ DIN
5、51562) At 40 C 46 mm2/s min 73 82 mm2/s min 437 483 mm2/s min At 100 C 10 15 mm2/s min 15 mm2/s min - 3.5 VISCOSITY INDEX 200 min (ASTM D2270) 3.6 WATER CONTENT (ASTM D6304) 700 ppm max 1000 ppm max - 3.7 FLASH POINT (ISO 2592/ASTM D92/ ASTM D1310) 200 oC min 200 oC min 260 oC min Date Action Revisi
6、ons Rev. 06 2017 06 27 Editorial Corrected footer A. Collins, NA 2016 07 19 INACTIVE B2 and B3 2016 07 19 1991 04 26 Released CE00E10109215007 C. C. Gray Controlled document at www.MATS Copyright 2017, Ford Global Technologies, LLC Page 1 of 2 ENGINEERING MATERIAL SPECIFICATION Page 2 of 2 Copyright
7、 2017, Ford Global Technologies, LLC WSH-M1C231-B INACTIVE WST-M1C231-B2 INACTIVE WSS-M1C231-B3 B B2 B3 3.8 POUR POINT (ISO 3016/ASTM D5949) -40 oC max - -30 oC max 3.9 TOTAL ACID NUMBER (ASTM D974) 0.22 mg KOH/g, max - 1.0 mg KOH/g, max 4. GENERAL INFORMATION The information given below is provided
8、 for clarification and assistance in meeting the requirements of this specification. Grease approved to this specification should have the following typical properties. 4.1 EVAPORATION LOSS 5.0 %, max (ASTM D972, 24 h at 100 +/- 2 C) - - 4.2 LUBRICANT PAINT No softening, no discoloration STAINING (B
9、 only) (FLTM BJ 126-01) 4.3 WEAR PREVENTIVE 2702 N min CHARACTERISTICS (ASTM D3233) - - 4.4 SEALED TUBE STABILITY TEST (ANSI/ASHRAE Standard 97-2007 14 days at 175 C with HFC-134a) Change in Viscosity at 40 C 10 mm2/s max (ASTM D 445) - - Test Method: After aging, visually inspect the test tube cont
10、ents for liquid discoloration and any deposits formation. Visually inspect the metal coupons for discoloration or evidence of corrosion and/or copper plating. Analyze HFC-134a/PAG using the Selective Ion Electrode Method for ppm of fluoride and chloride. 4.5 CONSISTENCY This material shall be free f
11、rom acid, alkali, or other foreign matter. It must also be free from any objectionable odors. ENGINEERING MATERIAL SPECIFICATION Page 3 of 2 Copyright 2017, Ford Global Technologies, LLC WSH-M1C231-B INACTIVE WST-M1C231-B2 INACTIVE WSS-M1C231-B3 5. SUMMARY OF REVISIONS 2016 07 19 INACTIVE B2 and B3
12、2010 07 30 Moved non lot testing to General Information and updated test methods. 3.3 changed temp in specific gravity from 15.6 to 20 C 3.5 changed water content max from 1000 to 700 ppm. Added Viscosity Index Updated sealed tube stability test method 2008 11 03 B2/B3 N-STATUS, Replaced by WSS-M13P13-A 2004 04 22 Updated format 2003 04 29 Para 3.0 inserted; para 3.4, 3.7 & 3.9 revised, para 3.1, 3.2, 3.14 and 4 deleted
