1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 5 2018 02 09 Revised See Summary of Revisions S. Gould, EU 2012 11 19 Revised See Summary of Revisions A. Wedepohl, NA 2007 01 11 Activated A. Wedepohl, NA Controlled document at www.MATS Copyright 2018, Ford Global Technologies, Inc. Pa
2、ge 1 of 11 FLUID, HYDRAULIC BRAKE, DOT 3 WSS-M6C65-A1 FLUID, HYDRAULIC BRAKE, ISO 4925 CLASS 6, DOT 4 WSS-M6C65-A2 FLUID, HYDRAULIC BRAKE, DOT 5.1 WSS-M6C65-A3 1. SCOPE The material defined by these specifications is a non-petroleum hydraulic brake fluid containing glycol ethers, borate esters, and
3、additives. 2. APPLICATION This material is primarily intended for use as a hydraulic fluid in passenger and light commercial vehicle brake systems. The quality or grade of brake fluid is determined by the vehicle program. 3. REQUIREMENTS 3.1 APPROVED SOURCES This specification requires the use of ap
4、proved sources. Only the sources identified on the Ford Approved Source List (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. 3.2 QUALIF
5、ICATION 3.2.1 Fluid defined by WSS-M6C65-A1 must conform to all the requirements of a DOT 3 fluid per government regulation FMVSS 116, Motor Vehicle Brake Fluids. Refer to the suppliers control plan for specific requirements that may be designated as control items. 3.2.2 Fluid defined by WSS-M6C65-A
6、2 must conform to all the requirements of a DOT 4 and Class 6 fluid per government regulation FMVSS 116 and ISO 4925, Road Vehicles Specification of non-petroleum-base brake fluids for hydraulic systems. Refer to the suppliers control plan for specific requirements that may be designated as control
7、items. 3.2.3 Fluid defined by WSS-M6C65-A3 must conform to all the requirements of a DOT 5.1 fluid per government regulation FMVSS 116, Motor Vehicle Brake Fluids. Refer to the suppliers control plan for specific requirements that may be designated as control items. DOT 5.1 is a non-silicone, non-pe
8、troleum, based fluid which meets DOT 5 requirements. 3.2.4 The fluid qualification test results and certificate of conformity must be provided for all fluids to maintain homologation requirements. Qualification must be renewed such that a current qualification exists at all times. 3.2.5 Product Deve
9、lopment and Materials Engineering reserves the right to subject fluids submitted against this specification to any additional investigation they may consider necessary and use the data derived for approval. ENGINEERING MATERIAL SPECIFICATION WSS-M6C65-A1/A2/A3 Copyright 2018, Ford Global Technologie
10、s, Inc. Page 2 of 10 3.3 DOCUMENTATION Supplier must furnish to the affected Materials Engineering activity a completed copy of the attached Supplement A. Manufacturing control limits and test reports demonstrating full compliance with all requirements of this specification must be provided. All tes
11、ts must be certified by a qualified and authorized representative of the test facility. 3.4 E.R.B.P. (Equilibrium Reflux Boiling Point, SAE J1704, 5.1; FMVSS 116, S6.1) 3.4.1 DOT 3 260 C min 3.4.2 DOT 4 / Class 6 260 C min 3.4.3 DOT 5.1 262 C min 3.5 W.E.R.B.P. (Wet Equilibrium Reflux Boiling Point)
12、 3.5.1 Humidification Method (SAE J1704, 5.2; FMVSS 116, S6.2) 3.5.1.1 DOT 3 145 C min 3.5.1.2 DOT 4 / Class 6 170 C min 3.5.1.3 DOT 5.1 180 C min 3.5.2 Direct Addition Method (Completely mix 3% by weight demineralized water directly into the fluid. May be used in place of the humidification method
13、for control plan testing.) 3.5.2.1 DOT 3 with 3% by weight water content 145 C min 3.5.2.2 DOT 4 / Class 6 with 3% by weight water content 180 C min 3.5.2.3 DOT 5.1 with 3% by weight water content 180 C min 3.6 FLUID COLOR Light yellow to amber (Visual) 3.7 KINEMATIC Viscosity at -40 C (SAE J1704, 5
14、.3; FMVSS 116, S6.3; ASTM D7042) 3.7.1 DOT 3 1050 mm2/sec max 3.7.2 DOT 4 / Class 6 750 mm2/sec max 3.7.3 DOT 5.1 900 mm2/sec max 3.8 MINERAL OIL CONTAMINATION, % v/v 0.05% max (FLTM AM 153-01, Ford VOPQUG-205 Exhibit B, or other suitable methods) ENGINEERING MATERIAL SPECIFICATION WSS-M6C65-A1/A2/A
15、3 Copyright 2018, Ford Global Technologies, Inc. Page 3 of 10 3.9 WATER CONTENT 0.20% max (Karl Fischer Method. ASTM E203, DIN 5177, ISO 760) 3.10 CORROSION 3.10.1 Metal Strip Corrosion (SAE J1704, 5.6 Dry and Wet Corrosion) This test is to be performed with and without water added to the fluid. The
16、 corrosion test shall be carried out according to the SAE procedure with the addition of a zinc alloy and aluminum alloy test strip. The zinc alloy test strip shall be UNS Z35531 (SAE J468 925), and the aluminum alloy shall be JIS H 5302 ADC10. The test strips shall be placed in the following order:
17、 tinned iron, steel, aluminum, aluminum alloy, cast iron, brass, copper, zinc alloy. Test Strip Material Maximum Weight Change, mg/cm2 Steel, Tinned Iron, Cast Iron 0.2 Aluminum, Aluminum Alloy 0.1 Brass, Copper, Zinc Alloy 0.4 The test strips outside the contact area shall not be pitted or roughene
18、d to an extent visible to the naked eye. Staining or discoloration is permitted. 3.10.2 Thermal Stability Corrosion Test After 5 days at 100 C in a one-liter sealed can, fluid shall meet the requirements of corrosion test 3.10.1. 3.11 WATER TOLERANCE AT 60 C (SAE J1704, 5.8.2; FMVSS 116, S6.9.3(b) T
19、he brake fluid shall show no stratification; sedimentation shall not exceed 0.05% by volume after centrifugation. 3.12 EFFECT ON EPDM RUBBER (SAE J1704. 5.11) 3.12.1 At 70C 3.12.1.1 Hardness decrease 0 to 10 IRHD 3.12.1.2 Volume increase 0 to 10 % 3.12.1.3 Blisters None 3.12.1.4 Sloughing None 3.12.
20、2 At 120C 3.12.2.1 Hardness decrease 0 to 15 IRHD 3.12.2.2 Volume increase 0 to 10 % 3.12.2.3 Blisters None 3.12.2.4 Sloughing None ENGINEERING MATERIAL SPECIFICATION WSS-M6C65-A1/A2/A3 Copyright 2018, Ford Global Technologies, Inc. Page 4 of 10 4. GENERAL INFORMATION The information given below is
21、provided for clarification and assistance in meeting the requirements of these specifications. Contact for questions concerning Engineering Material Specifications. 4.1 ADDITIONAL TESTS FOR INFORMATION ONLY (Used in the development or evaluation of new fluids) 4.1.1 Lubricity Performance (Ford Prod
22、uct Development will evaluate performance) 4.1.2 Copper Corrosion Test (Unpublished Ford test method, Contact Ford Materials Engineering) Test includes heat, moisture, copper and rubber. Test duration is 500 hours and measures the level of copper in the brake fluid. 4.1.3 Viscosity versus Temperatur
23、e curves for dry fluid and 1%, 2%, and 3% water content. Measure viscosity at -40, -30, -25, -20, -10, and 0 C. 4.2 WARNING This material is hygroscopic; all containers must be air sealed or prevent the admission of moisture through breathing devices, as the presence of moisture in minute amounts lo
24、wers the boiling point of this material. 4.3 SURVEILLANCE Vehicle Operations Quality Procedure VOPQUG-205, Hydraulic Brake Fluid Surveillance and Control is used to monitor and maintain the quality of the brake fluid in the assembly plant. 4.4 FILTRATION REQUIREMENTS SAE J1706 lists the recommended
25、practices for the Production, Handling, and Dispensing of Motor Vehicle Brake Fluids. The use of a filter 10 m or less is recommended for plant handling and fill procedures at both supplier and Ford plants. 4.5 ES SPECIFICATION TESTING The brake fluid is an integral component of the hydraulic brake
26、system and manual transmission hydraulic clutch systems. Compliance with the requirements of all ES Test Specifications as identified by the relevant Product Engineering office is necessary for the approval of any new fluid against this specification. 4.6 DISPENSING Care should be exercised when dis
27、pensing this material. Brake fluids may damage vehicle body paint and certain plastics. 4.7 APPLICABLE STANDARDS FMVSS 116 (Note: test methods references based on F.R. Vol. 69 No. 223-19.11.2004) SAE J1706 ISO 4925 SAE J1704 AUG2012 ENGINEERING MATERIAL SPECIFICATION WSS-M6C65-A1/A2/A3 Copyright 201
28、8, Ford Global Technologies, Inc. Page 5 of 10 4.8 APPROVAL OF MATERIALS Suppliers desiring approval of their materials shall first obtain an expression of interest from Purchasing, Design or Product Development, and Materials Engineering. The supplier shall submit a completed copy of their laborato
29、ry 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 material samples must be available for review upon request and kept for a minimum of one year. Upon request, the su
30、pplier will review the associated quality control documents (Process Failure Mode and Effects Analysis, Control Plans, Certification testing) with Ford. 4.9 SUPPLIERS ONGOING RESPONSIBILITY All materials must be equivalent in all characteristics to the material upon which approval was originally gra
31、nted. Prior to making any changes to the material originally approved, whether or 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
32、proposed changes (with reasons) by submission of a completed Suppliers Request for 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 P
33、art Approval Process (PPAP) sign off must be kept until Job 1. 4.10 RESTRICTED SUBSTANCE 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
34、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 2018 02 09 Updated general notes, Added ASTM method to section 3.7 2012 11 19 E.R.B.P for DOT 4 / Class
35、6 was 265 C. Metal strip corrosion test methods changed from FMVSS to SAE J1704 to include EPDM rubber. Added SAE J1704 test methods with FMVSS. Added Effect on EPDM Rubber. Added color requirement to eliminate colorless fluid. Deleted Flash point requirement (Flash point is on MSDS). 2012 04 03 Add
36、ed A3 suffix for DOT 5.1. Revised ERBP for A1 from 250 to 260C. Removed lubricity test method in Appendix A. No specific method is recommended. 2011 03 04 Corrected mineral oil max % in Supplement A. 2010 11 19 Added inverted deltas for government compliance Revised verification requirements Revised
37、 name of DOT 4 fluid to include ISO Class 6 Added direct addition method for W.E.R.B.P. Changed pH limits to 7.0 11.5 to agree with FMVSS Raised mineral oil contamination limit from 0.025% to 0.05% to agree with VOPQUG-205 detection. Add viscosity vs temperature vs water content curves to 4.1. Renum
38、bered document ENGINEERING MATERIAL SPECIFICATION WSS-M6C65-A1/A2/A3 Copyright 2018, Ford Global Technologies, Inc. Page 6 of 10 SUPPLEMENT A PAGE 1 OF 5 Supplier: _ Date: _ Product Name: _ FMVSS 116 Grade: _ Product Code: _ Manufacturing Plant Location(s): _ PHYSICAL/CHEMICAL/PERFORMANCE PROPERTIES
39、 TEST RESULTS SPEC LIMITS for WSS-M6C65-A2 FMVSS 116 Compliance Test Report Attach Results E.R.B.P., C (Equilibrium Reflux Boiling Point) 260 C min W.E.R.B.P., C (Wet Equilibrium Reflux Boiling Point) 170 C min W.E.R.B.P., C (with 3% added water) 180 C min Fluid Color Light yellow to amber Kinematic
40、 Viscosity at -40 C, mm2/sec, 750 mm2/sec max Kinematic Viscosity at 100 C, mm2/sec, 1.5 mm2/sec min Mineral Oil Contamination, % v/v 0.05% max Water Content, % 0.20% max pH Value 7.0 11.5 Brake Fluid Stability: (1) High-Temperature Stability, C 3 C change (2) Chemical Stability, C 3 C change Metal
41、Corrosion: - with 5% water added to the fluid (1) Metal Strip Corrosion, mg/cm2 Weight Changes: Tinned iron 0.2 Steel 0.2 Aluminum 0.1 Aluminum Alloy 0.1 Cast Iron 0.2 Brass 0.4 Copper 0.4 Zinc Alloy 0.4 Metal Test Strip Appearance No pitting or roughness (2) Liquid Characteristics, after test Appea
42、rance No gelling or crystalline deposit pH Value 7.0 11.5 Sedimentation, % 0.10% by volume (3) Rubber Characteristics, after test SBR Cup Appearance No blisters or sloughing SBR Cup Hardness Decrease, IRHD 15 IRHD max SBR Cup Base Diameter Increase, mm 1.4 mm max EPDM Appearance No blisters or sloug
43、hing EPDM Hardness Decrease, IRHD 10 IRHD max EPDM Volume Increase, % 0 to 10% ENGINEERING MATERIAL SPECIFICATION WSS-M6C65-A1/A2/A3 Copyright 2018, Ford Global Technologies, Inc. Page 7 of 10 SUPPLEMENT A PAGE 2 OF 5 PHYSICAL/CHEMICAL/PERFORMANCE PROPERTIES TEST RESULTS SPEC LIMITS Metal Corrosion:
44、 As received, without water added to the fluid (1) Metal Strip Corrosion, mg/cm2 Weight Changes: Tinned iron 0.2 Steel 0.2 Aluminum 0.1 Aluminum Alloy 0.1 Cast Iron 0.2 Brass 0.4 Copper 0.4 Zinc Alloy 0.4 Metal Test Strip Appearance No pitting or roughness (2) Liquid Characteristics, after test Appe
45、arance No gelling or crystalline deposit pH Value 7.0 11.5 Sedimentation, % 0.10% by volume (3) Rubber Characteristics, after test SBR Cup Appearance No blisters or sloughing EPDM Appearance No blisters or sloughing Thermal Stability (After 5 days at 100 C) Corrosion: -with 5% water added to the flu
46、id (1) Metal Strip Corrosion, mg/cm2 Weight Changes: Tinned iron 0.2 Steel 0.2 Aluminum 0.1 Aluminum Alloy 0.1 Cast Iron 0.2 Brass 0.4 Copper 0.4 Zinc Alloy 0.4 Metal Test Strip Appearance No pitting or roughness (2) Liquid Characteristics, after test Appearance No gelling or crystalline deposits pH
47、 Value 7.0 11.5 Sedimentation, % 0.10% by volume (3) Rubber Characteristics, after test SBR Cup Appearance No blisters or sloughing SBR Cup Hardness Decrease, IRHD 15 IRHD max SBR Cup Base Diameter Increase, mm 1.4 mm max EPDM Appearance No blisters or sloughing EPDM Hardness Decrease, IRHD 10 IRHD
48、max EPDM Volume Increase, % 0 to 10% ENGINEERING MATERIAL SPECIFICATION WSS-M6C65-A1/A2/A3 Copyright 2018, Ford Global Technologies, Inc. Page 8 of 10 SUPPLEMENT A PAGE 3 OF 5 PHYSICAL/CHEMICAL/PERFORMANCE PROPERTIES TEST RESULTS SPEC LIMITS Thermal Stability (After 5 days at 100 C) Corrosion: -without water added to the fluid (1) Metal Strip Co
