1、ENGINEERING MATERIAL SPECIFICATIONEXTERIOR 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 unpa
2、inted 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 inclu
3、de 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, et
4、c.) 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 sub
6、strates and WSS-M2P181-C or latest for flexible substrates. 3.1.5 All electroplated exterior components shall meet the requirements of WSS-M1P83-D2/D3 or latest. 3.1.6 All exterior lighting components shall meet the requirements of WSS-M98P10-A or latest. 3.2 FINISHED PARTS Unless otherwise indicate
7、d, 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
8、 Table 1.0, unless otherwise agreed to by Ford Materials Engineering. Date Action Revisions Rev. 1 2016 05 19 Revised See Summary of Revisions K. Mueller, NA2015 02 03 Released K. Mueller, NAControlled document at www.MATS Copyright 2016, Ford Global Technologies, LLC Page 1 of 10 ENGINEERING MATERI
9、AL SPECIFICATIONPage 2 of 11Copyright 2016 Ford Global Technologies, LLCWSS-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 the engineering drawing. 3.3.1 Color (FLTM BI 109-01 Visual Asses
10、sment) (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 92 B: 60 Glossmeter 76 - 84C: 60 Glossmeter 66 - 74D: 60 Glossme
11、ter 58 - 66E: 60 Glossmeter 47 - 53F: 60 Glossmeter 33 - 38G: 60 Glossmeter 17 - 23H: 60 Glossmeter 7 - 13J: 60 Glossmeter 4 - 6K: 60 Glossmeter 2 - 4L: 60 Glossmeter 0.5 - 2.0N: 60 Glossmeter 1.8 - 2.4Shall match the Master Approved Sample color panel or the initial sample as approved by Design Cen
12、ter. 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 Line (A, B, C, D Pillar Appliqus, Roof Rack, Cowl Vent Grille, Fixed Running B
13、oards, 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 minimum of 1 hour prior to evaluation. Acceptance Criteria: Unless otherwise
14、 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 Grey Scale rating 4. No other tone change (e.g. pink) is allowed.) No visi
15、ble cracks, blisters, softening, dulling, or evidence of material degradation when observed with the unaided eye from a distance of 300 +/- 30 mm. ENGINEERING MATERIAL SPECIFICATIONPage 3 of 11Copyright 2016 Ford Global Technologies, LLCWSS-M98P13-E 3.4.2 Heat Aging Vertical Parts or Parts Below Bel
16、t 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 exposure, allow samples to cool to 23 +/- 2 C for a minimum of 1 hour prior to evalua
17、tion. 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 Grey Scale rating 4. No other t
18、one 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 Resistance to Cold Impact, Bumper Cover / Fascia Only The bumper cover / fasci
19、a 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. ENGINEERING MATERIAL SPECIFICATIONPage 4 of 11Copyright 2016 Ford Global Technolo
20、gies, LLCWSS-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 There shall be no cracking, crazing, dulling, or other deterioration A&B Gloss Ma
21、terials: 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 Materials: Gloss Change 25% max (FLTM BI 110-01) 3000 h and 3750 h 4000 h, 5000 h, an
22、d 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 unknown or known Material Supplier. New Manufacturing Locations (new GSDB) for pr
23、eviously 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 sample cut from production part Load: 2N Scratch: Rating 2 max Marring: Rating 2 ma
24、x Load: 7N Whitening/Color Change: Rating 1 max ENGINEERING MATERIAL SPECIFICATIONPage 5 of 11Copyright 2016 Ford Global Technologies, LLCWSS-M98P13-E A & B Gloss Materials, only, sample cut from production part Load: 2N Scratch: Rating 2 max Marring: Rating 2 max Note: If the results are disputed,
25、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 3.5.5 Chemical Resistance Production representative materials specific to the application
26、 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 color change in excess of Grey Scale rating of 4-5 (AATCC Evaluation procedure1/ISO 1
27、05-A02), permanent surface distortion, dulling, or softening permitted. 3.5.5.2 Resistance to Incidental Fluid Spotting, Horizontal Surfaces Only (FLTM BI 113-01. Reference Appendix 1.0 for the test fluids to be used per application). No color change in excess of Grey Scale rating of 4-5 (AATCC Eval
28、uation 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 to stress cracking when used in continuous contact with other materials, such as, oil, grease, cleaner
29、s, 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 Resistance to Water and Soap Spotting (FLTM BI 113-01) No color change in excess of Gray Scale rating of 4-5 (
30、AATCC Evaluation procedure1/ISO 105-A02), surface distortion or permanent softening permitted. 3.5.6 Resistance to Road Asphalt Staining 1.5 E max (For uncoated PVC applications below the beltline, only) Prepare a solution of 50% asphalt cement and 50% unleaded gasoline. Dip the test specimen in the
31、 solution for 10 seconds. Suspend specimen for 15 minutes allowing the ENGINEERING MATERIAL SPECIFICATIONPage 6 of 11Copyright 2016 Ford Global Technologies, LLCWSS-M98P13-E solution to drain/evaporate. Clean specimen thoroughly with naphtha. Use an untested portion of the part as the control. Befor
32、e and after staining, measure the color per SAE J1545, CIELAB color space, 10 observer, illuminant C, specular included. Calculate E. NOTE: A part that fails this test must be coated with an appropriate clear coat and retested. 3.6 CO-INJECTION AND MULTI-INJECTION MOLDED PARTS Interface Bond Strengt
33、h 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 combinations. Test pieces cut from components. Tensile stress applied across the interface should be at least equal to the tensile
34、 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 tested samples with Materials Engineering. TEST A: 5 test samples conditioned at 23 +/- 2 C for 4 hours. TEST B: 5 test samples
35、conditioned at 60 +/- 2 C for 4 hours. Tensile Force Vector Soft Material Hard Material Tensile Force Vector ENGINEERING MATERIAL SPECIFICATIONPage 7 of 11Copyright 2016 Ford Global Technologies, LLCWSS-M98P13-E 4. GENERAL INFORMATION This information given below is provided for clarification and as
36、sistance in meeting the requirements of this specification. Contact for questions concerning Engineering Material Specifications. 4.1 SUPPLIERS ONGOING RESPONSIBILITY All materials must be equivalent in all characteristics to the material upon which approval was originally granted. Prior to making
37、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 proposed changes (with
38、 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 Part Approval Process (
39、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 materials addressed by this document. The restrictions are identified in the Restricted Substance Management Standard WSS-M99P9999-A
40、1 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 2016 05 19 Removed Resistance to Cold Impact, Cowl Vent Grille / Leaf Screen Only (RQT-010815-008798 (reference LS-0002) Remove
41、d 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 SPECIFICATIONPage 8 of 11Copyright 2016 Ford Global Techno
42、logies, LLCWSS-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 Material Specification
43、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 data may3.5.5.2 applica
44、ble 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 ENGINEERING MATERIAL SPECIF
45、ICATIONPage 9 of 11Copyright 2016 Ford Global Technologies, LLCWSS-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 Screenwash / Windshield Wash Fluid
46、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 ENGINEERING MATERIAL SPECIF
47、ICATIONPage 10 of 11Copyright 2016 Ford Global Technologies, LLCWSS-M98P13-E Location Below Beltline Parts Cladding Rocker Panel Tire Spoilers/Mud Guards Fluids Bug & Tar Remover Isopropyl alcohol 1:1 water Multipurpose Cleaner ENGINEERING MATERIAL SPECIFICATIONPage 11 of 11Copyright 2016 Ford Globa
48、l Technologies, LLCWSS-M98P13-E Location Adjacent To Fuel Filler Parts Fuel Filler Bumper Corner Side Markers Wheelarch Exts / Wheel Lips Fluids Petrol / Gasoline Diesel BioDiesel Bug & Tar Remover Multipurpose Cleaner Isopropyl alcohol 1:1 water Location Remaining Areas Parts Rear Bumper Spoiler Door handles Roof Ditch Moldings Roof Rack Body Side Moldings Fluids Multipurpose Cleaner Isopropyl alcohol 1:1 water Screenwash / Windshield Wash Fluid Glass Cleaner
