FORD WSS-M1C89-A1-2017 GREASE LITHIUM SOAP SYNTHETIC HYDROCARBON LOW SEPARATION TO BE USED WITH FORD WSS-M99P1111-A .pdf

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1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 0 2017 01 04 Released A. Wedepohl / N. Hortsch, NA Controlled document at www.MATS Copyright 2017, Ford Global Technologies, LLC Page 1 of 3 GREASE, LITHIUM SOAP, SYNTHETIC HYDROCARBON, WSS-M1C89-A1 LOW SEPARATION 1. SCOPE The material d

2、efined by this specification is a lithium soap thickened, heavy viscosity synthetic hydrocarbon grease that is a NLGI grade 2. 2. APPLICATION This specification was released originally for grease used to eliminate noise from microcellular urethane jounce bumpers on shocks and struts. This material h

3、as a UV Tracer added. 2.1 LIMITATIONS Check elastomer compatibility before using with diphenylmethane diisocyanate (MDI) microcellular bumpers. 3. REQUIREMENTS 3.1 APPROVED SOURCES This specification requires the use of approved sources. Only the sources identified on the Ford Approved Source List (

4、ASL) can be used when this specification is listed on the drawing, CAD file, or other documents. The list of approved sources is located within Ford at or available externally through a Ford Materials Engineer. This specification was released to allow this material to be purchased by Ford Purchasin

5、g for use in a Ford facility. The specification number is also the part number in WERS. The approved source for this specification is Nye Rheolube 393. North American Tox: 197663. 3.2 COLOR Dark Red (Visual) 3.3 UNWORKED PENETRATION, tenths of a millimeter Report (ASTM D217, DIN ISO 2137, 0 stroke)

6、3.4 WORKED PENETRATION, tenths of a millimeter Report (ASTM D217, DIN ISO 2137, 60 stroke) 3.5 OIL SEPARATION DURING STORAGE 1% max (ASTM D1742, DIN 51817 or FTMS 791 C 321.3) 3.6 EVAPORATION 1% max (ASTM D972 or CTM-1 24h at 100 C) ENGINEERING MATERIAL SPECIFICATION WSS-M1C89-A1 Copyright 2017, For

7、d Global Technologies, LLC Page 2 of 3 4. GENERAL INFORMATION This information given below is provided for clarification and assistance in meeting the requirements of this specification. Contact for questions concerning Engineering Material Specifications. Jounce bumper grease should have the follo

8、wing attributes. -the grease should not washout -the grease should not separate, allowing the oil to run down the shock body and appear as a leak. -must be compatible with jounce bumper material -microcellular urethane The requirments section contains tests performed on each batch of grease manufact

9、ured. Grease approved to this specification should have the following typical properties. 4.1 BASE OIL VISCOSITY (ASTM D445, DIN 51562, ISO 3104) 4.1.1 Kinematic Viscosity at 100 C 580 mm2/s 4.1.2 Kinematic Viscosity at 40 C 6150 mm2/s 4.2 WATER WASHOUT 5.2 % (ASTM D1264, DIN 51807 T02, 40 C) 4.3 IN

10、TERFACE COMPATIBILITY 4.3.1 Chemical Attack to Painted Surfaces (FLTM BJ 126-01). Note: Not tested for initial application of this grease. Grease must be tested for chemical attack to painted surfaces for applications that come in contact with paint surfaces, ex. E-coat and powder coat. 4.3.2 Resist

11、ance to Stress Cracking (FLTM BO 127-03) Note: Not tested for initial application of this grease. Grease must be tested for resistance to stress cracking when used for additional applications that come in contact with polymers such as PC, ABS, PC+ABS, ASA or acrylic 4.3.3 Elastomer Compatibility, na

12、phthalene diisocyanate (NDI) based microcellular urethane (DIN EN ISO 1798, 3 days at 100C) 4.3.3.1 Tensile strength change -2.8% 4.3.3.2 Elongation change +7% 4.4 APPROVAL OF MATERIALS Suppliers desiring approval of their materials shall first obtain an expression of interest from Purchasing, Desig

13、n or Product Development, and Materials Engineering. The supplier shall submit a completed copy of their laboratory test reports, signed by a qualified and authorized representative of the test facility, demonstrating full compliance with all the requirements of the Material Specification. Tested ma

14、terial samples must be available for review upon request and kept for a minimum of one year. Upon request, the supplier will review the associated quality control documents (Process Failure Mode and Effects Analysis, Control Plans, Certification testing) with Ford. ENGINEERING MATERIAL SPECIFICATION

15、 WSS-M1C89-A1 Copyright 2017, Ford Global Technologies, LLC Page 3 of 3 4.5 SUPPLIERS ONGOING RESPONSIBILITY All materials must be equivalent in all characteristics to the material upon which approval was originally granted. Prior to making any changes to the material originally approved, whether or

16、 not such changes affect the materials ability to meet the specification requirements, the supplier shall notify the affected Supplier Technical Assistance (STA), Purchasing, and Materials Engineering activities of the proposed changes (with reasons) by submission of a completed Suppliers Request fo

17、r Engineering Approval, SREA. For parts and components using Ford Engineering Material Specifications, all samples tested to the specifications for Design Verification (DV), Production Verification (PV) and Production Part Approval Process (PPAP) sign off must be kept until Job 1. 4.6 RESTRICTED SUB

18、STANCE MANAGEMENT STANDARD Substance restrictions imposed by regulations or Company direction applies to the materials addressed by this document. The restrictions are identified in the Restricted Substance Management Standard WSS-M99P9999-A1 which is updated yearly. It is the suppliers responsibility to comply with this standard on a continuing basis through IMDS and or GMAP reporting. 5. SUMMARY OF REVISIONS