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    FORD WSS-M97B57-A1-2018 COOLANT PHOSPHATED ORGANIC ADDITIVE TECHNOLOGY (POAT) CONCENTRATE FOR PASSENGER CAR AND LIGHT TRUCK TO BE USED WITH FORD WSS-M99P1111-A .pdf

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    FORD WSS-M97B57-A1-2018 COOLANT PHOSPHATED ORGANIC ADDITIVE TECHNOLOGY (POAT) CONCENTRATE FOR PASSENGER CAR AND LIGHT TRUCK TO BE USED WITH FORD WSS-M99P1111-A .pdf

    1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 0 2018 05 01 Released A. Reaume, NA Controlled document at www.MATS Copyright 2018, Ford Global Technologies, LLC Page 1 of 23 COOLANT, PHOSPHATED, ORGANIC ADDITIVE TECHNOLOGY (POAT), WSS-M97B57-A1 CONCENTRATE, FOR PASSENGER CAR AND LIGH

    2、T TRUCK 1. SCOPE The material defined by this specification is a coolant concentrate composed essentially of virgin monoethylene glycol and OAT corrosion inhibitors and phosphate. When mixed 50%/50% with water it shall be a satisfactory fluid for vehicle cooling systems that contain aluminum engine

    3、components, radiators and heater cores, ferrous metals and copper brass. This material is for initial fill and service fill. 2. APPLICATION This specification was released originally for passenger car and light truck and commercial truck applications without the use of nitrites. 2.1 LIMITATIONS This

    4、 material is not suitable for use with magnesium based alloys or zinc coatings (e.g. galvanized product). 3. REQUIREMENTS 3.1 APPROVED SOURCES This specification requires the use of approved sources. Only the sources identified on the Ford Approved Source List (ASL) can be used when this specificati

    5、on 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 DOCUMENTATION 3.2.1 Approval of a new formulation Supplier must provide a completed and certified copy of the attached Sup

    6、plement A and test reports demonstrating full compliance with all the requirements of this specification. Suppliers must provide full disclosure of their material formulation to, and be approved by, Materials Engineering. This disclosure is to a list of each additive by name, target wt%, min and max

    7、 wt% with sub-supplier names for all components, in particular organic acid technology additives, azoles and other corrosion additives, and ethylene glycol. Disclosure to also include production range levels for pH, specific gravity, reserve alkalinity and water content. All tests must be certified

    8、by a qualified and authorized representative of the test facility. Supplier must furnish DFMEA, PFMEA, Process Flow Diagram, and Control Plan. Final approval must be obtained from the Coolant Subject Matter Expert within Global Core Powertrain Cooling Engineering. A formulation/supplier/blending sit

    9、e cannot be added to the approved source list without this Coolant SME approval. 3.2.2 Approval of a new supplier to an approved formulation Same as 3.2.1 with surrogate test data where approved by Ford and testing and documentation, at minimum, in a PVP compare current coolant with proposed coolant

    10、 Table 2 Coupon metal weight change Current Coolant Current Coolant/ Cleaner Proposed Coolant Proposed Coolant/ Cleaner Cleaner Control ASTM Corrosive Water Al Not required Not required Not required Iron Steel Brass Solder Copper - A negative result indicates a weight gain ENGINEERING MATERIAL SPECI

    11、FICATION WSS-M97B57-A1 Copyright 2018, Ford Global Technologies, LLC Page 5 of 23 3.4.17 Storage Stability Hard water and temperature and post-braze flux Supplier must report water quality conditions that may adversely affect the quality of the coolant (inhibitor depletion, lowered life, etc). The c

    12、oolant concentrate form, quality and chemical composition shall not be adversely affected, changed or impacted by storage up to 5 years under environmental conditions of normal distribution and storage. In-vehicle, the coolant mixed with water shall be stable so as not to change in form, quality or

    13、composition to adversely affects heat transfer or corrosion inhibition. 3.4.17.1 Hard Water Solution Prepare hard water by adding 275mg of calcium chloride (CaCl2) to 1 liter synthetic corrosive water described in the test solution section of ASTM D1384. Prepare six 100 ml coolant samples using the

    14、test coolant and the hard water solution. Samples are to have coolant concentrations of 100% (samples 1 and 2), 75% (samples 3 and 4) and 50% (samples 5 and 6). Put all samples in clean, labeled polymethylpentene (PMP) bottles for testing. (French square-type bottle may aid visual check.) All sample

    15、s must pass hot and cold storage stability testing for the coolant to pass. All samples are to be photographed post-test. Hot Storage Stability - Samples 1, 3 and 5 are heat storage tested in a circulating air oven at 65 +/- 2 C for 14 days. Remove a 20 ml sample on days 2, 4, 7, 10 and 14. Allow to

    16、 cool to room temperature. Check for precipitates, deposits, gelation and phase separation. “Fish eyes” on the top (from defoamer) are acceptable. If anything other than “fish eyes” is present, such as gel or material in solution or precipitate, terminate test and write as failure. Analyze coolant a

    17、nd material to determine effect. Cold Storage Stability - Samples 2, 4 and 6 are cold storage tested at -40C for 14 days. Remove a 20 ml sample on days 2, 4, 7, 10 and 14. Allow to go to room temperature. Check for precipitates, deposits, gelation and phase separation. “Fish eyes” on the top (from d

    18、efoamer) are acceptable. If anything other than “fish eyes” is present, such as gel or material in solution or precipitate, terminate test and consider as a failure. Analyze coolant and material to determine effect. 3.4.17.2 Flux Solution Prepare flux solution by adding 0.50 wt% post-braze Nocolok f

    19、lux to 500 ml synthetic corrosive water described in the test solution section of ASTM D1384. Stir solution for 5 days at 90 C. Prepare four 250 ml coolant samples using the test coolant and the flux solution. Filter the samples with 0.45 micron filter to capture any solids. Samples are to have cool

    20、ant concentrations of 50% (samples 1 and 2) and 40% (samples 3 and 4). Put all samples in clean, labeled polymethylpentene (PMP) bottles for testing. (French square-type bottle may aid visual check.) Hot Storage Stability - Samples 1 and 3 are heat storage tested in a circulating air oven at 80 +/-

    21、2 C for 14 days. Remove samples after 14 days. Allow to cool to room temperature. Check for precipitates, deposits, gelation and phase separation. “Fish eyes” on the top (from defoamer) are acceptable. Filter the samples with 0.45 micron filter to capture any solids. Analyze coolant and material (FT

    22、IR and EDS/XRF) and report. Loss of phosphate or other anti-corrosion additive may be considered a failure. ENGINEERING MATERIAL SPECIFICATION WSS-M97B57-A1 Copyright 2018, Ford Global Technologies, LLC Page 6 of 23 Cold Storage Stability . Put samples 2 and 4 in cold storage at -40 C for 14 days. A

    23、llow to go to room temperature. Check for precipitates, deposits, gelation and phase separation. “Fish eyes” on the top (from defoamer) are acceptable. Filter the samples with 0.45 micron filter to capture any solids. All solids are to be photographed post-test, wet and dry. Analyze coolant analysis

    24、 (pH, % glycol, corrosion inhibitors, etc.) and solids (FTIR and EDS/XRF) and report. Loss of phosphate or other anti-corrosion additive may be considered a failure. 3.4.18 Compatibility with Engine Hot Test Fluids - Havoline XLI (Europe) or Delo XLI (NA) (See compatibility method in WSS-M97B56-A1)

    25、Any changes, other than “fish eyes” deem the hot test fluid incompatible with the coolant. 3.4.19 Compatibility with Coolant Seals and Gaskets 10% RSF (Test per WSS-M9P12-A2, para 3.2.2) Initial qualification is completed as part of DV testing, ongoing testing for new programs is the responsibility

    26、of the seal suppliers. 3.4.20 Compatibility with Thermoplastic Materials (FLTM BO 130-01, 1000 h at 125 +/- 2 C) (Materials identified by program; contact Materials Engineering or PTI Core for a list.) 50%/50% coolant/water, 10 test specimens minimum, Unaged property values shall be determined at th

    27、e time of the aged properties determination. Test plastics used in continuous contact with coolant). Test new coolant with approved coolant for comparison. 3.4.20.1 Tensile Strength at Max Load Report (ISO 527, 5mm/minute test speed) 3.4.20.2 Impact Strength, Charpy Report (ISO 179, Test specimens t

    28、o be notched before immersion, 23 +/- 2 C) 3.4.21 Compatibility with Heater Hose Material 3.4.21.1 Burst Pressure after Wet Heat Aging (optional unless specified by Hose TS) (ASTM D380, fill hose with 50%/50% coolant and deionized water. Heat to 104 +/- 2C for 2000 hours) WSE-M96D34 -A2 -A3 -A4 WSS-

    29、M96D34-A5 % Change -10 -45 -28 -28 All hose Diameters 3.4.21.2 EPDM Hose Extraction Test (Zinc/ Zinc Compound Extraction) Hoses for testing to be determined by Hose Technical Specialist. May include peroxide cured and sulfur cured compounds. Testing to be performed using approved WSS-M97B44-D coolan

    30、t and proposed coolant. ENGINEERING MATERIAL SPECIFICATION WSS-M97B57-A1 Copyright 2018, Ford Global Technologies, LLC Page 7 of 23 Sulfur cured EPDM compounds employ zinc oxide and fatty acids such as stearates in their formulations as cure activators. These activators can produce zinc stearate, wh

    31、ich can be extracted by engine coolant and re-deposit elsewhere in the system. Excess amounts of this compound can potentially block coolant passages and cause overheat. The following procedure provides a method to evaluate the potential amount of zinc stearate deposits they may see throughout the c

    32、ooling system based on a standard sample size. Equipment and Materials Three 356 mm x 38.1 mm hose samples Six stainless steel 25 mm long plugs of ample outer diameter to seal hose, both ends Six worm gear clamps of sufficient size for the hose sample Three watch glasses approximately 120 mm diamete

    33、r One electronic balance capable of weights of 0.001 grams Petroleum ether Approximately 320 ml of 45% / 55% coolant / distilled water mixture Convection oven capable of 100C Procedure 1. Plug 1 end of the hose and apply clamp to seal. Fill hose 305 mm deep full of coolant / water mixture. Plug and

    34、clamp the open end. Verify no leakage. Bake at 100C for 168 hours. 2. Prior to removal of the hoses from the oven, dry out the filter paper at 100C for 1 hour, or to constant weight. Record the filter paper weight. 3. Remove a plug from one end of a hose sample and carefully drain the contents into

    35、a beaker. Photograph the coolant in the beaker from the side and top. 4. Pour the contents of the beaker onto the filter paper / vacuum filter set up. Pour a small amount of petroleum ether into the hose, swirl water, drain and repeat the rinse. If any visual residue remains in the hose, repeat rins

    36、e as necessary. 5. Using petroleum ether, wash any solid residue away from the sides of the beaker to the filter paper surface. 6. Photograph the coolant in the beaker post-filtration from the side and top. 7. Tare the watch glass. Carefully remove the filter paper, place on watch glass, and if nece

    37、ssary, use a spatula to collect any additional residue from the funnel sides and add to the filter paper. Bake filter paper at 100C for 24 hours, the compare the pre-test weight and the post-test weight of the filter paper. Acceptance Criteria Weight of extractables on the filter paper must weigh le

    38、ss than 1.0 g for the entire cooling system and weight of extractables with proposed coolant must be less than those with the current coolant ENGINEERING MATERIAL SPECIFICATION WSS-M97B57-A1 Copyright 2018, Ford Global Technologies, LLC Page 8 of 23 3.4.22 Compatibility with Post-Braze Nocolok Flux

    39、(Method per below or from supplier reviewed and accepted by Ford PD) Add 0.25 and 0.50 wt% post-braze Solvay Nocolok flux into 1200 ml of 50%/50% coolant with deionized water, heat at 120 C for 72 h. Filter insoluble from coolant using 0.45 micron filter, weigh and analyze insoluble via FTIR, XRF, e

    40、tc. Report weight gain/loss of flux. Test coolant in ASTM D4340 (50%/50%). Photograph test pucks and report results. Analyze coolant pre- and post-D4340 per typical coolant analysis (pH, % glycol, corrosion inhibitors, etc.) See Appendix II for FTIR spectra criteria. Test proposed coolant and curren

    41、t Ford coolant approved to WSS-M97B44-D Acceptance criteria proposed coolant must show improvement over the WSS-M97B44-D approved coolant (lessened insoluble formation, improved ASTM D4340 result and maintained coolant inhibitor stability). 3.4.23 Compatibility with Heater Hose Material and Degas Bo

    42、ttle Material (FLTM BP 108-09, 1000 h at 125 +/- 2 C, 50/50 % coolant/ de-ionized or distilled water) Delta E 21 max 3.5 DURABILITY TESTING Note: All failures are to be evaluated via the Global 8D problem solving process. 3.5.1 Dye Stability Test Test Method Make a mixture of 50%/50% coolant and dei

    43、onized water and record pH. Fill an internally fluxed heat exchanger with coolant mixture. Place heat exchanger in oven for 2 weeks at 90C or store at ambient for 60 days. Evaluate the color after test and determine pH. Report change or loss in color. Report pH change. 3.5.2 Aluminum Water Pump Cavi

    44、tation (ASTM D2809, 3 sample minimum) 3.5.2.1 100 hours 8 min 3.5.2.2 300 hours 8 min 3.5.3 Simulated Service Corrosion Test (ASTM D2570) Cast iron, steel, brass and copper 10 mg, max Cast aluminum, low lead solder 20 mg, max Aluminum radiator rating per Appendix I, (Page 20) Tube pitting 5 min Crev

    45、ice corrosion 5 min Crevice corrosion 5 min ENGINEERING MATERIAL SPECIFICATION WSS-M97B57-A1 Copyright 2018, Ford Global Technologies, LLC Page 9 of 23 3.5.4 Engine Coolant Corrosion Protection Under Accelerated Thermal and Oxidizing Conditions Using a Rotating Pressure Vessel (ASTM D7820, test cond

    46、itions are 150C +/- 2C in air run in triplicate.) Test proposed coolant and current Ford coolant approved to WSS-M97B44-D For cleaning, use Simple Green Use Viton o-rings (no silicone) Photograph coolant after test Photograph each specimen wiped dry immediately after test (before cleaning) Photograp

    47、h each specimen immediately after cleaning For both coolants, Report coolant physical and chemical properties before and after the test (pH before, pH after, delta pH, % water before, % water after and delta % water) Report the corrosion weight changes of each individual specimen to the nearest 1 mg

    48、 (copper, ASTM solder, brass, steel, cast iron and aluminum) Report each individual corrosion inhibitor level (% remaining is acceptable) Report corrosion metals in solution, individually (aluminum, copper, iron, zinc) Report glycol oxidation/degradation products (glycolate, formate, acetate and tot

    49、al) Acceptance Criteria: Proposed coolant evidences improved glycol oxidation/degradation as compared with WSS-M97B44-D approved coolant Note: If coolant loses 4% or more water during test, it is to be considered suspect test and voided (possible loss of pressure) 3.5.5 Engine Coolant Resistance to Deposit Formation Under Accelerated Heat Rejecting Conditions (“Hot Corrosion”) with Aluminum Test Sample (Note: Test method must be reviewed and agreed upon with PTI Core


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