1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 0 2017 08 23 Released J. Ryan, NA Controlled document at www.MATS Copyright 2017, Ford Global Technologies, LLC Page 1 of 5 PERFORMANCE, RUBBER PARTS, EXTERIOR WSS-M9P14-A1 1. SCOPE The performance characteristics defined by this specifi
2、cation may be used to evaluate the environmental resistance of visible rubber parts on the vehicle exterior. The parts may be flock or anti-friction coated on areas specified on the engineering drawing. 2. APPLICATION This specification was released originally for exterior, visible rubber parts, inc
3、luding but not limited to boots, gimps and seals. Material selection must be reviewed and approved by Ford Materials Engineering. 2.1 LIMITATIONS This performance specification excludes belt weatherstrips (WSS-M9P10-Latest), glass run weatherstrips (WSS-M9P10-Latest), and/or dynamic sealing componen
4、ts (WSS-M9P9-Latest) integral to CPSC 01.07.01, 01.07.02, 01.07.08, 01.07.09, 01.07.10, 01.08.04, 01.11.19, 01.11.20 3. REQUIREMENTS 3.1 APPROVED SOURCES This specification is performance based and does not have approved sources. 3.2 FINISHED PARTS Testing must be conducted at Design Verification (D
5、V) and Product Validation (PV) per Table 1.0 (including Supplement A), unless otherwise agreed to by Materials Engineering, and on actual production parts or a section of the part whenever possible. Where part dimensions limit testing equipment access, representative test samples may be substituted.
6、 DV Testing must follow the Process Window DOE, paragraph 3.6. PV Testing must be conducted on actual production processed parts. No change in material, facility, or processing is permitted without written approval from Ford Materials Engineering Activity, via SREA. All test values are based on part
7、s conditioned in a controlled atmosphere of 23 +/- 2 C and 50% R.H. for not less than 24 h prior to testing and tested under the same conditions unless otherwise specified. 3.3 APPEARANCE: COLOR, FINISH, SURFACE (FLTM BI 109-01) The part shall be generic black (GAXA) in color and have, unless otherw
8、ise specified on the engineering drawing or PDL. The gloss level should also be noted on the engineering drawing. The color shall be uniform (no change in color less than Rating 5 of the Gray Scale, AATCC Evaluation Procedure 1/ISO 105-A02) along the entire length of the part, including molded or mi
9、tered corners and splices. The surface shall be free of blisters, voids and any bloom unless otherwise specified on the engineering drawing. ENGINEERING MATERIAL SPECIFICATION WSS-M9P14-A1 Copyright 2017, Ford Global Technologies, LLC Page 2 of 5 3.4 RESISTANCE PROPERTIES The following requirements
10、shall be assessed on whole parts and must include all materials and constructions found within the parts. Parts shall be tested to the exterior requirements as shown on the engineering drawing. Separate specimens are required for each test. The parts as received and after being subjected to the test
11、s listed below shall conform to the following requirements: (a) No evidence of color or gloss change less than Rating 4 of the Gray Scale (AATCC Evaluation Procedure 1/ISO 105-A02). (b) No cracking, chalking, wrinkling, crazing, discoloration, iridescence, bloom, milkiness, separation, loss of adhes
12、ion (coating), or loss of embossment allowed (as defined in ASTM D1566) with the unaided eye unless otherwise noted in the test method. (c) No evidence of shrinkage or incompatibility between materials of construction. (Examples: coating to substrate, co-extruded materials, etc.) (d) Any successful
13、attempt to separate the components of coated and/or composite parts must result in cohesive failure only. Any adhesive failure will be cause for rejection. After exposure, the loss of pull-off effort shall not exceed 25% of the original requirement specified on the engineering drawing or part perfor
14、mance specification. Record the original and after exposure pull-off efforts. All samples must be conditioned for 1 h +/- 5 minutes at 23 +/- 2 C and 50% R.H. prior to all assessments, unless otherwise specified. 3.4.1 Humidity Exposure (a), (b), (c), (d) (ASTM D2247, 14 d at 38 +/- 2 C, 95 100% R.H
15、.) 3.4.2 Environmental Cycling Test (a), (b), (c), (d) (FLTM BQ 104-07, method 1, without CASS cabinet) 4 cycles, each cycle shall consist of the following: 4 h at 100 +/- 2 C 4 h at 38 +/- 2 C, 95% to 100% R.H. 16 h at -40 +/- 2 C 4 h at 38 +/- 2 C, 95% to 100% R.H. 4 h at 100 +/- 2 C 16 h at -40 +
16、/- 2 C 3.4.3 Cold Flexibility (a), (b), (c), (d) (FLTM BP 106-03, 4 h at -40 +/- 2 C) 3.4.4 Laboratory Accelerated Cyclic Corrosion (only for parts containing metals) (Test Method 00.00-L-467, see materials engineering for exposure time) 3.4.5 Ozone Resistance Rating 0 max, (FLTM BP 101-01, Procedur
17、e B) (a), (b), (c), (d) ENGINEERING MATERIAL SPECIFICATION WSS-M9P14-A1 Copyright 2017, Ford Global Technologies, LLC Page 3 of 5 3.4.6 Heat Aging (a), (b), (c), (d) (ISO 188/ASTM D573) 3.4.6.1 Short Term: 22 h at 80 +/- 2 C 3.4.6.2 Long Term: 1000 h at 80 +/- 2 C 3.4.7 Contact and Migration Stainin
18、g of Paint Rating 4 min, (FLTM BP 153-01, Procedure A & B) (a), (b), (c), (d) No visible stain or change in surface appearance produced on the painted panel beyond the boundaries of the test specimen. 3.4.8 Fluid Resistance Rating 4 min, (FLTM BI 168-01, Method B) (a), (b), (c), (d) Additional fluid
19、s to include soap and water referenced in FLTM BI 113-01. 3.4.9 Resistance to Cleaning Agents Rating 4 min, (FLTM BN 107-01, Procedure C, 9N load (a), (b), (c), (d) AATCC Evaluation Procedure 1/ISO 105-A02) Cover the abrasion head with a double thickness of cloth with the fill direction parallel to
20、the direction of rubbing. Note: A fresh sample of cloth must be used for each test. 1. Dry 2. Petroleum naphtha 3. Glass Cleaner 4. Deionized Water 5. 1:1 ratio of Isopropyl Alcohol: Water 6. All Purpose Cleaner 7. Armor All Cleaner A hypodermic syringe or pipette may be used for this purpose. 3.5 R
21、ESISTANCE TO ACCELERATED WEATHERING Type ASTM D7869 Requirements New Color 2250 h Fade Resistance: Rating 4 min There shall be no cracking, chalking, wrinkling, crazing, iridescence, bloom, milkiness, separation, loss of adhesion (coating), or loss of embossment allowed (as defined in ASTM D1566). E
22、NGINEERING MATERIAL SPECIFICATION WSS-M9P14-A1 Copyright 2017, Ford Global Technologies, LLC Page 4 of 5 *New Material Supplier or New Material Grade 2250 h Fade Resistance: Rating 4 min There shall be no cracking, chalking, wrinkling, crazing, iridescence, bloom, milkiness, separation, loss of adhe
23、sion (coating), or loss of embossment allowed (as defined in ASTM D1566). 3000 h and 3750 h Fade Resistance: Report Only Report any cracking, chalking, wrinkling, crazing, iridescence, bloom, milkiness, separation, loss of adhesion (coating), or loss of embossment (as defined in ASTM D1566) *New Mat
24、erial Supplier or New Material Grade: New material from unknown or known Material Supplier. New Manufacturing Locations (new GSDB) for previously tested materials and existing colors are not required to test exterior weathering. 3.6 FLAMMABILITY 100 mm/minute max (ISO 3795, sample part) 4. GENERAL I
25、NFORMATION The 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 APPROVAL OF MATERIALS Suppliers desiring approval of their materials shall first obtain an
26、 expression of interest from Purchasing, Design or Product Development, and Materials Engineering. 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 require
27、ments 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 supplier will review the associated quality control documents (Process Failure Mode and Effects Analysis, Control Plans, Certification testing)
28、 with Ford. 4.2 SUPPLIERS ONGOING RESPONSIBILITY All materials 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 s
29、pecification requirements, the supplier shall notify the 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. ENGINEERING MATERIAL SPECIFICA
30、TION WSS-M9P14-A1 Copyright 2017, Ford Global Technologies, LLC Page 5 of 5 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 (PPAP) sign of
31、f must be kept until Job 1. 4.3 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-A1 which is up
32、dated yearly. It is the suppliers responsibility to comply with this standard on a continuing basis through IMDS and or GMAP reporting. TABLE 1: Testing Requirements Sample size/color (if applicable) To be done at DV testing To be done at PV testing 3.4.1 Humidity Exposure 3 X * 3.4.2 Environmental
33、Cycling 3 X * 3.4.3 Cold Flexibility 3 X * 3.4.4 Corrosion 3 X * 3.4.5 Ozone Resistance 3 X * 3.4.6 Heat Aging 3 X * (22 h. only) 3.4.7 Migration Staining 3 X * 3.4.8 Fluid Resistance 3 X 3.4.9 Resistance to Cleaning Agents 3 X 3.5 Weathering Resistance 3 per evaluation period X Surrogate data may b
34、e acceptable 3.6 Flammability depends on burn rate X X X = required * = If DV did not test production representative processed parts, PV testing required. Table 2: Minimum Color Property Testing - Contact Materials Engineering for Color Test Work Plan Para. Test Lots Specimens per Lot Total Test Specimens Color Test Direction 3.4.2 Environmental Cycling 1 3 3 As directed by Materials Engineering 3.5 Weathering Resistance 1 1 1 Every color 3.6 Flammability 1 5 5 As directed by Materials Engineering
