1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 03 2013 12 03 Revised See Summary of Revisions D. Murtonen FNA 2013 10 09 Revised Editoral- see Summary of Revisions D. Murtonen FNA 2007 07 25 Activated M Dumitrescu, J. W. Williams Controlled document at www.MATS Copyright 2013, Ford Gl
2、obal Technologies, LLC Page 1 of 6 SUN VISOR ASSEMBLY, PERFORMANCE WSS-M98P3-B 1. SCOPE This specification defines the performance requirements for sunvisor assemblies. 2. APPLICATION This specification was released originally for materials used for sun visors. The manufacturing process is not defin
3、ed but they may be covered with vinyl or other polymeric films, knitted or nonwoven fabrics. 2.1 LIMITATIONS All amorphous materials (such as PC, PC/ABS, ABS, SMA, ASA, PPO) should be evaluated for potential incompatibility with other materials that they may come in contact with per FLTM BO 127-03.
4、3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements for Production Materials (WSS-M99P1111-A). 3.1.1 Vehicle Interior Environment Quality Materials/Component Performance Requirements Materials use
5、d in interior applications must meet the requirements outlined in WSS-M99P2222-D1/latest. 3.1.2 In addition to the requirements listed herein, the assemblies shall meet the additional requirements listed in the Interior Trim System Design Specification (CPSC 01.05.4). Laminated vinyl materials shall
6、 also meet the requirements of WSS-M8P3-E2/E3 or latest. No duplication of testing is required. 3.1.3 Plastic materials must use Ford material specifications and be listed on the Approved Source List. 3.1.4 Testing must be conducted on parts at each prototype and production build phase unless specif
7、ied otherwise by Ford Engineer. See Table 1 for DV/PV testing. 3.2 CONSTRUCTION The construction is not defined but may include wire frames, foam pads or blow molded or injection molded. The part may be covered with a HF welded PVC sheet or other polymeric films, knitted or nonwoven fabric. A mirror
8、 or a printed label is inserted if specified on engineering drawings. Note: Alternative compositions and constructions may be used provided that approval has been given by the appropriate Materials Engineering Activity and is detailed in the Approved Source List. ENGINEERING MATERIAL SPECIFICATION W
9、SS-M98P3-B Copyright 2013, Ford Global Technologies, LLC Page 2 of 6 3.3 COMPRESSION AND RECOVERY After test, the finished part shall not show any visible indentation marks. Test Method: The part shall be indented for one minute with a circular indenter foot of 35.7 mm diameter. Depth of indentation
10、 shall be 50% of part thickness. After release, the part shall recover at standard ambient temperature and humidity for 2 h prior to examination. 3.4 HEAT AGING Rating 4 min (ISO 188/ASTM D 573, ISO 105-A02/AATCC Evaluation Procedure 1, 7 days at 90+/-2 C) Mount the finished part according to vehicl
11、e installation on a suitable fixture and introduce it in car position into a mechanical convection oven. After completion of the heat exposure, condition the part for 24 h minimum at standard atmosphere of 23 +/- 2 C and 50% R.H prior to examination. After test, the part shall not show any color ton
12、e change, change in gloss, or tackiness. Furthermore, no wrinkles or bond line failures are permitted. If applied, the mirror shall not show any distortion or bond line failures. The aged assembly shall not show any change when compared with the original part. 3.5 ENVIRONMENTAL CYCLING Mount the fin
13、ished part according to vehicle installation on a suitable fixture and expose to the required cycling condition. Test Method: Install a complete sun visor using production assembly techniques, in an approved test buck or vehicle, representative of intended production dimensions. Expose the vehicle (
14、with windows open) or test buck to the following environmental cycle: After completion of last cycle condition the part for 24 h minimum at standard atmosphere of 23 +/- 2 C and 50% R.H prior to examination. Automated programmable test cycles based on the listed test conditions may be accepted by pr
15、ior agreement with the affected Materials Engineering Activity. Ramp speed 1 to 5 C per minute. Record actual ramp speed on data sheet. . 5 h at -30 +/- 2 C . 30 min at 23 +/- 2 C and 50% R.H. . 5 h at 90 +/- 2 C . 30 min at 23 +/- 2 C and 50% R.H. . 16 h at 50 +/- 2 C and 95 +/- 5% R.H. . 30 min at
16、 23 +/- 2 C and 50% R.H. . 5 h at -30 +/- 2 C . 30 min at 23 +/- 2 C and 50% R.H. . 5 h at 90 +/- 2 C After test, the part shall not show any color tone change, change in gloss or tackiness. Furthermore, no wrinkles, delamination, cracking or bond line failures are permitted. If applied, the mirror
17、shall not show any distortion or bond line failures. The aged assembly shall not show any change when compared with the original part. ENGINEERING MATERIAL SPECIFICATION WSS-M98P3-B Copyright 2013, Ford Global Technologies, LLC Page 3 of 6 3.6 BOND STRENGTH (applicable to welded or sewn seams) 3.6.1
18、 Original 50 N min 3.6.2 After Environmental Cycling 75% min of original In para 3.5. value Test Method: Specimens 15 mm in width and approx. 150 mm in length shall be cut across the bond line and then clamped in the jaws of a tensile machine in such a manner that the bond line is positioned in the
19、middle of the test sample between the jaws. The maximum breaking strength will be determined using a test speed of 500 mm/min. Report the average of all specimens tested. 3.7 RESISTANCE TO ABRASION 150 cycles (SAE J948, 500 g, CS-10 wheels) No evidence of excessive surface deterioration. The resista
20、nce to abrasion of production materials shall be equal to or better than that exhibited by the sample originally approved by the Materials Engineering Activity. 3.8 RESISTANCE TO SNAGGING 25 cycles (SAE J1530-A, 500 g load, H-18 wheels) (Applicable to nonwoven fabric covered parts only) No evidence
21、of fiber pullout in excess of the material originally approved by Materials Engineering. 3.9 RESISTANCE TO SCUFFING 25 cycles (SAE J365) No evidence of lifting, peeling, excessive scuffing or excessive surface deterioration. The resistance to scuffing of production materials shall be equal to or bet
22、ter than that exhibited by the sample originally approved by the Materials Engineering Activity. 3.10 ODOR Rating 3 max (FLTM BO 131-03) Sample shall be tested as part of a production assembly composite if it is 100% bonded. If not 100% bonded, test each component separately. 3.11 RESISTANCE TO MILD
23、EW The material shall exhibit no visual evidence of mildew growth and/or objectionable odor after 7 days exposure in a humidity cabinet at 38 +/- 2 C and 98 +/- 2% relative humidity. 3.12 FOGGING (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 16 h) Fog Number 70 min For
24、mation of clear film, droplets or crystals is cause for rejection. Sample shall be tested as part of a production assembly composite if it is 100% bonded. If not 100% bonded, test each component separately. Fog evaluation is visual. Microscopic evaluation is used only for further evaluation of oily
25、droplets or crystals.ENGINEERING MATERIAL SPECIFICATION WSS-M98P3-B Copyright 2013, Ford Global Technologies, LLC Page 4 of 6 3.13 RESISTANCE TO FADE (FLTM BO 116-01, ISO 105-A02/AATCC Evaluation Procedure 1) 3.13.1 451.2 kJ/m2 Rating 4 min 3.13.2 977.6 kJ/m2 Rating 4 min 3.14 RESISTANCE TO CROCKING
26、 (FLTM BN 107-01, AATCC Evaluation Procedure 2) Dry Rating 4 min Wet Rating 4 min 3.15 RESISTANCE TO BLEEDING Rating 4 min (FLTM AN 101-01, AATCC Evaluation Procedure 2) 3.16 RESISTANCE TO CLEANING AGENTS Rating 4 min (FLTM BN 107-01, 10 cycles, AATCC Evaluation Procedure 2) Test Procedure: Saturate
27、 white cotton cloth with the cleaners listed below. 1) Approved brand window cleaner 2) Ford recommended cleaner for interior trim materials (see FLTM BN 112-08) 3) Isopropyl alcohol solution, 50% by volume in deionized water 3.17 PERSPIRATION STAINING (FLTM BI 113-07, AATCC Evaluation Procedure 2)
28、After testing, rub the sample with a paperclip. The materials surface shall show no evidence of softening, lifting, peeling, blistering or color change (as compared to the sample prior to perspiration exposure.) 3.17.1 Sample as received Rating 4 min 3.17.2 Sample after fade resistance acc. Rating 4
29、 min Para 3.13.1: 225.6kJ/m2 Para 3.13.2: 451.2 kJ/m2 3.17.3 Sample after heat aging according to Para. 3.4 Rating 4 min 3.18 RESISTANCE TO WATER SPOTTING (FLTM AN 101-01) No spots shall remain after the distilled water has completely dried off. 3.19 SOILING AND CLEANABILITY Rating 3 min (FLTM BN 11
30、2-08, ISO 105-A03/ AATCC Evaluation Procedure 2) Standard Soil Grease Coffee In addition, marks with an artists charcoal crayon must be easily removed, using an approved brand interior trim cleaner without serious damage to the face fabric. There shall be no pilling of the face fabric after the abov
31、e testing. Printed fabrics shall retain all print detail after cleaning. The performance of production material shall be equal to or better than that exhibited by the sample originally approved for production by the Materials Engineering Activity. ENGINEERING MATERIAL SPECIFICATION WSS-M98P3-B Copyr
32、ight 2013, Ford Global Technologies, LLC Page 5 of 6 3.20 CONTACT AND MIGRATION STAINING No Staining (FLTM BN 103-01) 3.21 IDENTIFICATION MARKING The reverse side of each covering material assembly must be marked in a suitable way to identify its production batch. 3.21.1 Stain Resistance to Identifi
33、cation Marking (FLTM BO 112-06) There shall be no evidence of identification mark bleed through onto the cover materials surface. 3.22 FLAMMABILITY (ISO 3795) Burn Rate 100 mm/minute max Sample shall be tested as part of a production assembly composite if it is 100% bonded. If not 100% bonded, test
34、each component separately. 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. 5. SUMMARY OF REVISIONS 2013 12 03 Revisions Section 3
35、.12 added comment method for fog evaluation Section 3.12.2 updated Rating from 3 to 4 2013 10 09 Revisions Section 3.13.2 Corrected kj from 977.2 to 977.6 Updated WSS-M99P2222-C1 to D1 and removed the statement regarding components that will be TUV certified. 2012 01 30 Revisions Section 3 added par
36、a 3.1.1- Vehicle Interior Environment Quality Materials/Component Performance Requirements Para 3.10 Odor, added clarification Para 3.12 Fogging, added clarification Para 3.13 Resistance to Fade, removed SAE method Para 3.16 Resistance to Cleaning Agents, updated Para 3.19 Soiling and Cleanability,
37、added clarification Table 1 updated 2009 03 03 Revisions Section 2 added limitations Section 3 added plastic materials requirement Section 3.4 updated the heat aging temperature Section 3.5 - updated the environmental temperature Section 3.10 new odor test method Section 3.12 updated fogging test me
38、thod Section 3.13.2 added new filtered Xenon test Section 3.19 - updated the rating for soiling and cleanability ENGINEERING MATERIAL SPECIFICATION WSS-M98P3-B Copyright 2013, Ford Global Technologies, LLC Page 6 of 6 Table 1. Paragraphs Sample Size/ Color DV PV Surrogate Data from Materials Specs A
39、llowed 3.2 Construction X X 3.3 Compression and Recovery 3 parts/ any color X X 3.4 Heat ageing 1 part/ darkest color X X 3.5 Environmental cycling 1 part/ any color X X 3.6 Bond Strength X X 3.6.1 Original 3 parts/ any color X X Must be bonded using production process. If not, retest at PV. 3.6.2 A
40、fter environmental cycling 3 parts/ any color X X Must be bonded using production process. If not, retest at PV. 3.7 Resistance to abrasion 3 parts/ any color X X 3.8 Resistance to snagging 3 parts/ any color X X 3.9 Resistance to scuffing 3 parts/ any color X X 3.10 Odor 1 /part/condition/ any colo
41、r X X Contact Materials Engineering if surrogate data is acceptable. 3.11 Resistance to mildew 1 part/ any color X X 3.12 Fogging 3 parts/ any color X X Contact Materials Engineering if surrogate data is acceptable. 3.13 Resistance to Fade 1 part/ each color X X 3.14 Resistance to Crocking 2 parts /
42、 (1/each direction/ / each color X X 3.15 Resistance to Bleeding 2 parts/ each color X X 3.16 Resistance to cleaning agents 3 parts/ each color X X 3.17 Perspiration staining 3.17.1 As received 1 part/ any color X X (each color) X 3.17.2 after Fade resistance 1 part/ any color X X (each color) X 3.1
43、7.3 after heat ageing 1 part/ any color X X (each color) X 3.18 Resistance to water spotting 1 part/ each color X X 3.19 Soiling and cleanability 3 parts/ each color X X 3.20 Contact and migration staining 1 part/ each color X X 3.21 Identification marking 1 part/ lightest color X 3.22 Flammability 5 parts/ each color X X
