1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions Rev 02 2012 03 26 N Status No Usage, No replacement named N. Benipal, NA 2002 04 09 Revised Added G1, G2, para 3.10.7 a solution in water of 0.75 % by weight CaSO4 adjusted to a pH of 4; deionized water (DI)
2、 and tap water, Bee Dropping (Ford Method 24) available from Global Paint Engineering (North America Paint Engineering). Apply 0.05 ml of specified solutions along entire length of 2 test panels. Place on gradient bar (38 - 82 C, calibrated for heat-up rate of 2 minutes or less for 0.09 mm steel sub
3、strate). Remove 1 panel after 15 minutes at temperature, other after 30 minutes. Rinse any remaining solution with water. Examine panels for etching, discoloration, pitting, etc. Report etch-free temperature for test material and control. NOTE: Process window evaluation will be done using 2 solution
4、s: (1) Sulfuric Acid pH3, 15 minute exposure; and (2) CaSO4 pH4, 30 minute exposure. 3.10.3 Xylene Resistance No softening, or dulling permitted Using a circular motion, rub surface of enamel 10 times with wetted cheesecloth. 3.10.4 Fluid Spotting Resistance (FLTM BI 113-01) No color change, dulling
5、, surface distortion, spotting or permanent softening permitted. Test 2 sets of panels: (1) Aged per test method (2) Unaged and conditioned less than 8 h ENGINEERING MATERIAL SPECIFICATION WSS-M33J3-D1/D2/D3/D4/D5/E1/E2 E3/F1/F2/F3/F4/F5/G1/G2 Page 10 of 21 Copyright 2012, Ford Global Technologies,
6、Inc. The following fluids will be tested: . Deionized Water . Liquid Soap . Windshield Washer Fluid (Current Production Fill), Concentrated (100 %) . Coolant Solution (Current Production Fill), Concentrated (100 %) . Motor Oils (Current Production Fill) . Bug and Tar Remover* (Ford Part No. B7A-1952
7、0-AA) . Rust Preventative Coatings (including cavity waxes) *Aged panels only, apply Remover as directed on package, leave on for 5 minutes. Clean and rinse panels. 3.10.5 Cold Checking Resistance 15 cycles (FLTM BI 107-02) 3.10.6 Fuel Resistance No color change, dulling, surface distortion or perma
8、nent softening permitted. 3.10.6.1 Plastic Substrates (FLTM BO 101-05) 3.10.6.2 Metal Substrates Procedure for Drip Test: Run tests using Blends “A“ and “B“ separately The size of the test panels shall be 100 x 150 mm. A burette must be used to allow the Gasohol to drip at a rate which requires appr
9、oximately 1 h for the 50 mL to be evacuated (equivalent to approximately 1 drop every 3 s). Note: The panel shall be placed paint side up at an angle of 60 deg from the horizontal. The distance from the tip of the burette to the spot where the drop impinges on the panel is 300 mm. (The spot is cente
10、red 100 mm above the lower edge of the test panel.) The test panel shall be placed in a flat open dish to contain accumulated Gasohol. Conduct testing in a well ventilated hood at ambient room temperature of 24 +/- 2 C, away from all sources of ignition. Gasohol Composition by Volume ENGINEERING MAT
11、ERIAL SPECIFICATION WSS-M33J3-D1/D2/D3/D4/D5/E1/E2 E3/F1/F2/F3/F4/F5/G1/G2 Page 11 of 21 Copyright 2012, Ford Global Technologies, Inc. Blend A: ASTM Reference Fuel C 85 % Methanol 15 % Blend B: ASTM Reference Fuel C 15 % Methanol 85 % Remove panels from test and allow them to recover for 1 h at amb
12、ient room conditions. Examine panels for color change, dulling, and surface distortion or permanent softening. 3.10.7 Scratch and Mar Resistance Nano Scratch Test (DVM-0058-PA) Average of the weathered and un-weathered Fracture Load must be greater than: (mN) WSS-M33J3-D1-F5 6.0 WSS-M33J3-G1-G2 13.0
13、 Average of the weathered and un-weathered Plastic deformation must not be greater than: (Micrometers) WSS-M33J3-D1-F5 0.50 WSS-M33J3-G1-G2 0.35 3.10.8 Intercoat Adhesion, max Grade 2 (FLTM BI 106-01, Part B) 3.10.9 Chipping Resistance No more than 5 % (SAE J400, as indicated) area removed with 1.41
14、 l (-18 C and 25 C) no chip greater than 3 mm 3.10.10 High Performance Stone Chip 4 Resistance, min (FLTM BI 157-06) 3.10.11 Sag Resistance Equal to or (FLTM BI 122-02) better than control enamel 3.10.12 Water Immersion 240 h (FLTM BI 104-01, B) No blistering, dulling, wrinkling, softening and/or lo
15、ss of adhesion permitted. ENGINEERING MATERIAL SPECIFICATION WSS-M33J3-D1/D2/D3/D4/D5/E1/E2 E3/F1/F2/F3/F4/F5/G1/G2 Page 12 of 21 Copyright 2012, Ford Global Technologies, Inc. 3.11 WEATHERING After exposure (para 3.11.1 and 3.11.2), panels must meet the requirements of para 3.11.3. 3.11.1 Natural W
16、eathering Florida Exposure (SAE J1976, Procedure A) New Pigment 2 years required, 3 - 5 years and 10 year submission New Color, Known 1 year required, 2 - 5 years and 10 year Pigments and Resins submission New Resin Technology 5 years required, 10 year submission (one panel for every year of testing
17、 as specified in para 5.2, Table 3) 3.11.2 Accelerated Weathering (SAE J1960, 0.55 W/m2 Irradiance) New Pigment 4000 h in applicable resin system New Color, Known 3000 h required Pigment and Resins New Resin Technology 6000 h required, Borosilicate Inner and Outer Filters (para 5.2, Table 3) 3.11.3
18、Testing After Exposure (FLTM BI 160-01, B) 3.11.3.1 Appearance After 1 year exposure, there shall be no visual color change, minimal gloss and DOI loss not to exceed 2 year requirement. There shall be no blistering, cracking, peeling or microchecking. After 2 years Florida exposure or 3000 h Acceler
19、ated weathering, no less than AATCC color rating 4. There shall be no blistering, cracking, peeling or microchecking. After 5 Florida years exposure or 6000 h Accelerated weathering, there shall be no excessive color change, blistering, cracking, peeling or microchecking. ENGINEERING MATERIAL SPECIF
20、ICATION WSS-M33J3-D1/D2/D3/D4/D5/E1/E2 E3/F1/F2/F3/F4/F5/G1/G2 Page 13 of 21 Copyright 2012, Ford Global Technologies, Inc. 3.11.3.2 Gloss After Exposure (ASTM D 523, 20 degree Glossmeter) 2 year exposure, min 3000 h, min Non-Tinted Clearcoats, max 15 % loss (WSS-M33J3-D2, D5, E1, E3) Tinted Clearco
21、ats, max 20 % loss (WSS-M33J3-F1, F3, F4, F5) 3.11.3.3 DOI After Exposure (FLTM BI 110-03) 2 year exposure, min 3000 h, min Non-Tinted Clearcoats, max 20 % loss (WSS-M33J3-D2, D5, E1, E3) Tinted Clearcoats, max 30 % loss (WSS-M33J3-F1, F3, F4, F5) 3.11.3.4 UVA Retention Report values (FLTM AI 103-02
22、) as function of New Technology Only exposure time 3.11.3.5 Photooxidation Report values (FLTM AI 103-03, B) as function of New Technology Only exposure time 3.11.3.6 Adhesion After Water Immersion (FLTM BI 104-01) 16 h (FLTM BI 106-01, Part B) Grade 2, max There shall be no blistering or delaminati
23、on between any layer of enamel system. To be evaluated on all exposure intervals. 3.12 BASECOAT WSS-M33J3-D1, D4, E2 ONLY FOR INTERIOR APPLICATIONS (Non-visible or non-UV-exposed areas) 3.12.1 Physical Properties 3.12.1.1 The physical properties of basecoat WSS-M33J3-D1, D4, E2 are determined by req
24、uirements of the basecoat/clearcoat enamel. Refer to para 3.5 for specific requirements. 3.12.2 Preparation of Test Panels Panels will be prepared as in para 3.6 and 5.2. ENGINEERING MATERIAL SPECIFICATION WSS-M33J3-D1/D2/D3/D4/D5/E1/E2 E3/F1/F2/F3/F4/F5/G1/G2 Page 14 of 21 Copyright 2012, Ford Glob
25、al Technologies, Inc. 3.12.3 Appearance 3.12.3.1 Color (FLTM BI 109-01) The color of the basecoat is determined by the requirements of the basecoat/clearcoat enamel to match the Ford master panel. 3.12.3.2 Gloss, All Colors (ASTM D 523, 20 degree Glossmeter) Gloss varies with each color due to pigme
26、ntation requirements. 3.12.3.3 Gloss, After Rebake (ASTM D 523, 20 degree Glossmeter) No more than 4 units decrease in gloss is permitted when rebaked at target bake conditions. 3.12.3.4 General The basecoat shall bake out to a presentable, serviceable film showing no craters, seediness, abnormal ro
27、ughness or excessive metallic mottling. It shall have reasonable tolerance for ordinary cleaning. 3.12.4 Film Properties 3.12.4.1 Film Thickness (ASTM D 1186) See para 5.2, Table 1. 3.12.4.2 Adhesion No chipping or flaking (FLTM BI 106-01) 3.12.4.3 Hardness (ASTM D 1474) Record values. Coating shall
28、 be sufficiently cured after baking so that it can meet the requirement of para 3.12.5. ENGINEERING MATERIAL SPECIFICATION WSS-M33J3-D1/D2/D3/D4/D5/E1/E2 E3/F1/F2/F3/F4/F5/G1/G2 Page 15 of 21 Copyright 2012, Ford Global Technologies, Inc. 3.12.5 Resistance Properties 3.12.5.1 Water and Soap Spotting
29、 AATCC Rating 4 - 5 (FLTM BI 113-01) 3.12.5.2 Acid Spotting AATCC Rating 4 - 5 (FLTM BI 113-05) 3.12.5.3 Resistance to Xylene (See para 3.10.3) No dulling, softening or other undesirable effects are permitted. 3.12.5.4 Abrasion Resistance, min 700 cycles (FLTM BN 108-02, CS #10 wheels 500 g load) Fa
30、ilure is defined as wear through of the paint film, exposing primer. 3.12.5.5 Performance with Component Items Material shall be compatible with components with which it must perform in unison. Candidate material shall not adversely affect adhesion of said systems. 3.13 COMPATIBILITY REQUIREMENTS 3.
31、13.1 The approved coating shall have good compatibility with sealers, body side moldings, decals, striping materials, stone guard primers and pressure sensitive tapes, etc. 3.13.2 Supplier of material shall keep abreast of changes in technology of related materials which may affect the compatibility
32、 and performance of this product. In the advent of adverse performance, the supplier shall notify all affected Ford activities in writing. 3.13.3 All materials approved under this specification shall meet all engineering requirements when applied under assembly plant conditions. 3.14 ADDITIONAL REQU
33、IREMENTS Additional requirements for material and/or manufactured parts may be specified on the Engineering drawing, Engineering parts specification, performance specification, System Design Specification (SDS) and/or Component Design Specification (CDS). ENGINEERING MATERIAL SPECIFICATION WSS-M33J3
34、-D1/D2/D3/D4/D5/E1/E2 E3/F1/F2/F3/F4/F5/G1/G2 Page 16 of 21 Copyright 2012, Ford Global Technologies, Inc. 3.15 SUPPLIERS RESPONSIBILITY All materials supplied to this specification must be equivalent in all characteristics to the material upon which approval was originally granted. Prior to making
35、any changes to the material originally approved under this specification, whether or not such changes affect the materials ability to meet the specification requirements, the Supplier shall notify the affected Purchasing, and Materials Engineering activities (with reasons) of the proposed changes. U
36、pon notification of the Company, further instructions will be provided. Note: Suppliers should be prepared to provide test data and samples demonstrating compliance to this specification, if requested. Substance restrictions imposed by regulations or Company direction applies to the materials addres
37、sed by this document. The restrictions are identified in Restricted Substance Management Standard WSS-M99P9999-A1. 4. APPROVAL OF MATERIALS Materials defined by this specification for direct supply to the Company must have prior approval. Certain materials subcontracted by part suppliers may also re
38、quire prior approval. These include materials critical to the Companys business for regulatory, safety, environmental or compatibility requirements or contractual agreements. Suppliers desiring approval of their materials shall first obtain an expression of interest from Purchasing, Design or Materi
39、als Engineering activity. Upon request, 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 this specification. 5. GENERAL INFORMATION The mat
40、erial data included herein is for information only and is not a requirement for the supplier. Contact The Design Responsible Materials Engineering Activity for substrates currently used in production. 5.1 PAINT SYSTEMS (used in current production applications) 5.1.1 Electrocoat primer (baked) + spra
41、y primer (baked) + basecoat/clearcoat applied wet-on-wet and monobaked. 5.1.2 Electrocoat primer (baked) + spray primer (baked) + basecoat + midcoat + clearcoat applied wet-on-wet-on-wet and mono-baked. 5.1.3 Electrocoat primer (baked) + spray primer (baked) + basecoat (baked) + midcoat + clearcoat
42、applied wet-on-wet and mono-baked. ENGINEERING MATERIAL SPECIFICATION WSS-M33J3-D1/D2/D3/D4/D5/E1/E2 E3/F1/F2/F3/F4/F5/G1/G2 Page 17 of 21 Copyright 2012, Ford Global Technologies, Inc. 5.2 TOPCOAT PROCESSING CONDITIONS AND TEST REQUIREMENTS MATRICES Process window (para 3.7) will be used to define
43、targets, high/ max, and lows/min. These values will be used to establish the conditions in Table 1 and shall be used to prepare panels for all tests in para 3.8, 3.9, 3.10, 3.11 and 3.12. System Colors to be tested Applicable Tables New Technologies Black, White, Light Metallic, Tables 1, 2, 3 Med.
44、Red Metallic and Dark Metallic New Pigments/ All Colors Tables 1, 4 New Colors ENGINEERING MATERIAL SPECIFICATION WSS-M33J3-D1/D2/D3/D4/D5/E1/E2 E3/F1/F2/F3/F4/F5/G1/G2 Page 18 of 21 Copyright 2012, Ford Global Technologies, Inc. TABLE 1: TOPCOAT PROCESSING CONDITIONS REQUIRED FOR PARA 3.8, 3.9, 3.1
45、0, 3.11 AND 3.12 BASECOAT/CLEARCOAT PROCESSING CONDITIONS FOR PARA 3.8, 3.9, 3.10 AND 3.11 Conditions OEM Clearcoat Filmbuild Bake Time Bake Temperature Recoats Number of Recoats 1 Low Min Min No N.A. 2 Low Max Max No N.A 3 Target Target Target No N.A 4 High Min Min No N.A 5 High Max Max No N.A 6 Ta
46、rget Target Target Yes 1 7 Target Target Target Yes 2 8 Target Target Target Yes 3 9 Target Min Min Yes 3 10 Target Max Max Yes 3 11 (ICA5) Target 10 minutes MT Target 6 C No N.A 12 (ICA4) Target 53 minutes MT Target + 13 C Yes 1 (10 minutes at Target 6 C) 13 (ICA3) Target 23 minutes MT Target + 13
47、C Yes 1 (10 minutes at Target 6 C) 14 Low Target Target Yes LBR 15 Target Target Target Yes LBR 16 Low Max Max Yes LBR 17 Target Target Target No N.A. 18 Low Max Max No N.A. BASECOAT PROCESSING CONDITIONS FOR PARA 3.12 Conditions Basecoat Filmbuild Bake Time Bake Temperature Recoats Number of Recoat
48、s 19 80 % of Dry Hiding Min Min No N.A. 20 Dry Hiding Max Max No N.A NOTE 1: All basecoats applied at dry hiding filmbuilds for conditions 1 - 18. NOTE 2: Recoats are prepared using same basecoat/clearcoat (in the same color) as used on OEM topcoat, except for condition 14, 15 and 16 which uses cata
49、lyzed low bake repair system. NOTE 3: For all ICA 5 panels (condition # 11) primer is to be baked 53 minutes at 193 C (metal temperature). NOTE 4: Panels for conditions # 17 and 18 are prepared using basecoats and clearcoats with no ultraviolet light absorbers (UVAs). Hindered amine light stabilizers (HALS), if normally used in formulation, shall be present in all systems regardless of UVA or not. ENGINEERING MATERIAL SPECIFICATION WSS-M33J3-D1/D2/D3/D4/D5/E1/E2 E3/F1/F2/F3/F4/F5/G1/G2 Page 19 of 21 Copyright 2012, Ford Global Tec
