1、ENGINEERING MATERIAL SPECIFICATION EXTERIOR PLASTIC PERFORMANCE, MOLD-IN-COLOR WSS-M98P13-E 1. SCOPE This specification defines the minimum durability and performance requirements of exterior mold-in-color plastic components. 2. APPLICATION This specification was released originally for exterior unp
2、ainted molded in color plastic components used in exterior subsystems including, but not exclusive to, outside rearview mirror, cowl grilles and leaf screens, bumpers, radiator grilles, door handles, wipers, pick-up box liners/moldings, and exterior ornamentation. Typical methods of manufacture incl
3、ude injection molding, blow molding, and extrusion. 3. REQUIREMENTS 3.1 APPROVED SOURCES This specification is performance based and does not have approved sources. 3.1.1 Materials used in all exterior systems shall withstand the assembly plant paint repair process (or be protected with shielding, e
4、tc.) without deformation, functional damage or loss of appearance or other specified physical characteristics. 3.1.2 The color/pigment loading, grain, and material of the part influences scratch performance and cleanability. Materials Engineering recommends avoiding highly geometric grains or grains
5、 with sharp edges. Reference paragraph 3.5.3. 3.1.3 The UV/process/heat stabilizers must be in the base resin from the material supplier, specifically for mold-in-color applications at the press. 3.1.4 All painted exterior components shall meet the requirements of WSS-M2P180-D or latest for rigid su
6、bstrates and WSS-M2P181-C or latest for flexible substrates. 3.1.5 All electroplated exterior components shall meet the requirements of WSS-M1P83-E2 or latest. 3.1.6 All exterior lighting components shall meet the requirements of WSS-M98P10-B or latest. 3.2 FINISHED PARTS Unless otherwise indicated,
7、 testing must be done on actual production parts or a section of the part whenever possible. Where part dimensions limit equipment access, representative panels or plaques may be substituted for production parts. Testing must be conducted at Design Verification (DV) and Product Validation (PV) per T
8、able 1.0, unless otherwise agreed to by Ford Materials Engineering. Date Action Revisions Rev. 2 2018 04 13 Editorial See Summary of Revisions K. Mueller, NA 2016 05 19 Revised See Summary of Revisions K. Mueller, NA 2015 02 03 Released K. Mueller, NA Controlled document at www.MATS Copyright 2018,
9、Ford Global Technologies, LLC Page 1 of 10 ENGINEERING MATERIAL SPECIFICATION Page 2 of 11 Copyright 2018 Ford Global Technologies, LLC WSS-M98P13-E 3.3 APPEARANCE The color, gloss, and finish shall match the Master Appearance Sample as approved by the Design Department or shall be as specified on t
10、he engineering drawing. 3.3.1 Color (FLTM BI 109-01 Visual Assessment) (SAE J1545, Three-Angle CMC) Shall match the Master Approved Sample color panel or the initial sample as approved by Design Center. 3.3.2 Gloss, Report (FLTM BI 110-01, ASTM D523) As released by Engineering: A: 20 Glossmeter min
11、92 B: 60 Glossmeter 76 - 84 C: 60 Glossmeter 66 - 74 D: 60 Glossmeter 58 - 66 E: 60 Glossmeter 47 - 53 F: 60 Glossmeter 33 - 38 G: 60 Glossmeter 17 - 23 H: 60 Glossmeter 7 - 13 J: 60 Glossmeter 4 - 6 K: 60 Glossmeter 2 - 4 L: 60 Glossmeter 0.5 - 2.0 N: 60 Glossmeter 1.8 - 2.4 Shall match the Master
12、Approved Sample color panel or the initial sample as approved by Design Center. 3.3.3 Mold Flow Analysis must be evaluated to validate minimization of knit/weld lines and appearance issues due to tool conditions and processing. 3.4 HEAT AGING 3.4.1 Heat Aging Horizontal Parts or Parts Above Belt Lin
13、e (A, B, C, D Pillar Appliqus, Roof Rack, Cowl Vent Grille, Fixed Running Boards, Step Pads, etc.) Test Procedure: The production level part must be tested. Expose the test sample to 92 +/- 2 C in a mechanical convection oven for 16 h. After heat exposure, allow samples to cool to 23 +/- 2 C for a m
14、inimum of 1 hour prior to evaluation. Acceptance Criteria: Unless otherwise noted, the tested part shall show no color change in excess of Grey Scale rating 4 (AATCC Evaluation Procedure 1/ISO 105-A02) when compared with the original part. (A color tone shift to the yellow direction is allowed up to
15、 Grey Scale rating 4. No other tone change (e.g. pink) is allowed.) No visible cracks, blisters, softening, dulling, or evidence of material degradation when observed with the unaided eye from a distance of 300 +/- 30 mm. ENGINEERING MATERIAL SPECIFICATION Page 3 of 11 Copyright 2018 Ford Global Tec
16、hnologies, LLC WSS-M98P13-E 3.4.2 Heat Aging Vertical Parts or Parts Below Belt Line (Bodyside Molding, Rocker Molding, Wheel-lip Molding, etc.) Test Procedure: The production level part must be tested. Expose the test sample to 82 +/- 2 C in a mechanical convection oven for 16 h. After heat exposur
17、e, allow samples to cool to 23 +/- 2 C for a minimum of 1 hour prior to evaluation. Acceptance Criteria: Unless otherwise noted, the tested part shall show no color change in excess of Grey Scale rating 4 (AATCC Evaluation Procedure 1/ISO 105-A02) when compared with the original part. (A color tone
18、shift to the yellow direction is allowed up to Grey Scale rating 4. No other tone change (e.g. pink) is allowed.) No visible cracks, blisters, softening, dulling, or evidence of material degradation when observed with the unaided eye from a distance of 300 +/- 30 mm. 3.5 RESISTANCE PROPERTIES 3.5.1
19、Resistance to Cold Impact, Bumper Cover / Fascia Only The bumper cover / fascia material must be selected from the bumpers subsystem material strategies and comply with cold temperature requirements which are both located in EKB: https:/ For exceptions, contact Lead Engineering Vehicle Activity. ENG
20、INEERING MATERIAL SPECIFICATION Page 4 of 11 Copyright 2018 Ford Global Technologies, LLC WSS-M98P13-E 3.5.2 Weathering Resistance (ASTM D7869, ISO 105-A02/AATCC Evaluation Procedure 1) Type ASTM D7869 (preferred) SAE J2527 Boro/Boro Requirements New Color 2250 h 3000 h Fade Resistance: Rating 4 min
21、 There shall be no cracking, crazing, dulling, or other deterioration A&B Gloss Materials: Gloss Change 25% max (FLTM BI 110-01) *New Material Supplier or New Material Grade 2250 h 3000 h Fade Resistance: Rating 4 min There shall be no cracking, crazing, dulling, or other deterioration A&B Gloss Mat
22、erials: Gloss Change 25% max (FLTM BI 110-01) 3000 h and 3750 h 4000 h, 5000 h, and 6000 h Fade Resistance: Report Only Report any cracking, crazing, dulling, or other deterioration A&B Gloss Materials: Report Gloss Change (FLTM BI 110-01) *New Material Supplier or New Material Grade: New resin from
23、 unknown or known Material Supplier. New Manufacturing Locations (new GSDB) for previously approved materials and existing colors are not required to test exterior weathering. 3.5.3 Resistance to Scratching (FLTM BO 162-01, 1.0 +/- 0.1 mm steel ball at 7.0 N, 6.0 N, 4.5 N, 3.0 N and 2.0 N) Grained s
24、ample cut from production part Load: 2N Scratch: Rating 2 max Marring: Rating 2 max Load: 7N Whitening/Color Change: Rating 1 max ENGINEERING MATERIAL SPECIFICATION Page 5 of 11 Copyright 2018 Ford Global Technologies, LLC WSS-M98P13-E A & B Gloss Materials, only, sample cut from production part Loa
25、d: 2N Scratch: Rating 2 max Marring: Rating 2 max Note: If the results are disputed, contact the appropriate Ford Materials Engineer for evaluation. 3.5.4 Resistance to Mar A & B gloss materials only with a smooth surface (FLTM BI 161-01) 70% Gloss Retention No Visual Gloss Change at all Angles 3.5.
26、5 Chemical Resistance Production representative materials specific to the application should be used for the following tests. 3.5.5.1 Resistance to Incidental Fluid Spotting, Vertical Surfaces Only (FLTM BI 168-01, Method B. Reference Appendix 1.0 for the test fluids to be used per application). No
27、color change in excess of Grey Scale rating of 4-5 (AATCC Evaluation procedure1/ISO 105-A02), permanent surface distortion, dulling, or softening permitted. 3.5.5.2 Resistance to Incidental Fluid Spotting, Horizontal Surfaces Only (FLTM BI 113-01, start at step 2. Reference Appendix 1.0 for the test
28、 fluids to be used per application). No color change in excess of Grey Scale rating of 4-5 (AATCC Evaluation procedure1/ISO 105-A02), permanent surface distortion, dulling, or softening permitted. 3.5.5.3 Resistance to Stress Cracking No cracking or crazing (FLTM BO 127-03) Note: Include resistance
29、to stress cracking when used in continuous contact with other materials, such as, oil, grease, cleaners, gasketing, plasticizers, and elastomers. Not applicable when the part is not in continuous contact with these other materials. Note: Test not applicable for polyolefin materials. 3.5.5.4 Resistan
30、ce to Water and Soap Spotting (FLTM BI 113-01, start at step 2) No color change in excess of Gray Scale rating of 4-5 (AATCC Evaluation procedure1/ISO 105-A02), surface distortion or permanent softening permitted. 3.5.6 Resistance to Road Asphalt Staining 1.5 LE max (For uncoated PVC applications be
31、low the beltline, only) Prepare a solution of 50% asphalt cement and 50% unleaded gasoline. Dip the test specimen in the solution for 10 seconds. Suspend specimen for 15 minutes allowing the ENGINEERING MATERIAL SPECIFICATION Page 6 of 11 Copyright 2018 Ford Global Technologies, LLC WSS-M98P13-E sol
32、ution to drain/evaporate. Clean specimen thoroughly with naphtha. Use an untested portion of the part as the control. Before and after staining, measure the color per SAE J1545, CIELAB color space, 10 observer, illuminant C, specular included. Calculate LE. NOTE: A part that fails this test must be
33、coated with an appropriate clear coat and retested. 3.6 CO-INJECTION AND MULTI-INJECTION MOLDED PARTS Interface Bond Strength Test (ISO 527: 50 mm/min test speed, or ISO 37: 305 mm/min test speed, or ISO 527: 508 mm/min test speed). Test method and speed is dependent on soft and hard material combin
34、ations. Test pieces cut from components. Tensile stress applied across the interface should be at least equal to the tensile strength of the softer material. Loading to failure is recommended. Any tensile failure of the co-injected or multi-injected parts must result in cohesive failure. Review test
35、ed samples with Materials Engineering. TEST A: 5 test samples conditioned at 23 +/- 2 C for 4 hours. TEST B: 5 test samples conditioned at 60 +/- 2 C for 4 hours. Tensile Force Vector Soft Material Hard Material Tensile Force Vector ENGINEERING MATERIAL SPECIFICATION Page 7 of 11 Copyright 2018 Ford
36、 Global Technologies, LLC WSS-M98P13-E 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. 4.1 SUPPLIERS ONGOING RESPONSIBILITY All m
37、aterials 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 not such changes affect the materials ability to meet the specification requirements, the supplier shall notify t
38、he affected Supplier Technical Assistance (STA), Purchasing, and Materials Engineering activities of the 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
39、 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. 4.2 RESTRICTED SUBSTANCE MANAGEMENT STANDARD Substance restrictions imposed by regulations or Company direction applies to the mater
40、ials 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
41、2018 04 13 - Editorial Updated FLTM BI 168-01 fluids Updated FLTM BI 113-01 method (para 3.5.5.2 and 3.5.5.4) Updated 3.1 references to other performance specifications Clarified Appendix 1.0 2016 05 19 Removed Resistance to Cold Impact, Cowl Vent Grille / Leaf Screen Only (RQT-010815-008798 (refere
42、nce LS-0002) Removed reference to RQT-010815-008802 (reference LS-0006) Removed WSS-M99P1111-A and added those requirements directly into this specification. Note: Changes from Suffix D Removed Brake Fluid from Appendix 1.0 Clarified 3.5.6 ENGINEERING MATERIAL SPECIFICATION Page 8 of 11 Copyright 20
43、18 Ford Global Technologies, LLC WSS-M98P13-E TABLE 1.0: DV/PV Requirements Sample Size / Material Lot Required for each Color To be done at DV Testing To be done at PV Testing 3.4.2 Heat Aging 3.4.2.1 3.4.2.2 1 Production Part No X * 3.5.1 Resistance to Cold Impact, Bumper Cover / Fascia Only See M
44、aterial Specification No (Surrogate data may be acceptable) X 3.5.2 Resistance to Exterior Weathering 1 Yes (Surrogate data may be acceptable) X 3.5.3 Resistance to Scratching 3/grain/color Yes X 3.5.4 Resistance to Mar 3/color Yes X X 3.5.5 Chemical Resistance 3 each, when No X 3.5.5.1 (Surrogate d
45、ata may 3.5.5.2 applicable be acceptable) 3.5.5.3 3.5.5.4 3.5.6 Resistance to Road Asphalt Staining 3 Yes (Surrogate data may be acceptable) X 3.6 Co-injection or Mulit- injection Molding 5 No X X * = If DV did not test production representative processed parts, PV testing required. X = Required ENG
46、INEERING MATERIAL SPECIFICATION Page 9 of 11 Copyright 2018 Ford Global Technologies, LLC WSS-M98P13-E Appendix 1.0 Chemical Requirements List / Zoning Diagram Location Near to Glass Parts Plenum / Cowl Vent / Leaf Screen Pillar Cappings / Appliqus Wipers Antenna Mirrors Rear Appliqu Fluids Screenwa
47、sh / Windshield Wash Fluid Glass Cleaner Isopropyl alcohol 1:1 water Multipurpose Cleaner Location Lower Front of Vehicle Parts Bumper Grille Emblems Lower Valence / Chin Spoiler Fluids Coolant Oil Screenwash / Windshield Wash Fluid Bug & Tar Remover Isopropyl alcohol 1:1 water Multipurpose Cleaner
48、ENGINEERING MATERIAL SPECIFICATION Page 10 of 11 Copyright 2018 Ford Global Technologies, LLC WSS-M98P13-E Location Near to Glass Parts Plenum / Cowl Vent / Leaf Screen Pillar Cappings / Appliqus Wipers Antenna Mirrors Rear Appliqu Fluids Screenwash / Windshield Wash Fluid Glass Cleaner Isopropyl al
49、cohol 1:1 water Multipurpose Cleaner Location Below Beltline Parts Cladding Rocker Panel Tire Spoilers/Mud Guards Fluids Bug & Tar Remover Isopropyl alcohol 1:1 water Multipurpose Cleaner ENGINEERING MATERIAL SPECIFICATION Page 11 of 11 Copyright 2018 Ford Global Technologies, LLC WSS-M98P13-E Location Adjacent To Fuel Filler Parts Fuel Filler Bumper Corner Side Marke
