1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2007 10 17 N-STATUS Replaced by WSS-M1F21-C 13 mm span from clamp to bending plate. Conduct tests on 4 samples with uncoated side up and 4 samples with uncoated side down. Record the average results obtained from the 8 scale readings (4 up, 4
2、down). ENGINEERING MATERIAL SPECIFICATIONWSS-M1F21-B WSS-M1F22-B Printed copies are uncontrolled Copyright 2007, Ford Global Technologies, LLC Page 3 of 7 3.12 COLOR PROPERTIES 3.12.1 Resistance to Fade (SAE J1885, ISO 105-A02/AATCC Evaluation Procedure 1) 488.8 kJ/m2Rating 4 - 5 1015 kJ/m2Rating 4
3、In addition, the material must remain flexible and exhibit no cracking when bent around a 6.4 mm mandrel. 3.12.2 Natural Weathering For routine color approval of existing technologies, the accelerated weathering results (para. 3.12.1) will be used for approval until natural weathering results are av
4、ailable. Note: In a case of differences in the test results of paras. 3.12.1 and 3.12.2, the natural weathering (3.12.2) shall prevail. 3.12.2.1 Florida Weathering, min Rating 4 (FLTM BI 160-01, ISO 105-A02, AATCC Evaluation Procedure 1) Leather-wrapped steering wheels shall be exposed as follows: M
5、iami area, 12 months, 5 angle facing south, backed, under glass. 3.12.2.2 Arizona Weathering, min Rating 4 (FLTM BI 160-01, ISO 105-A02, AATCC Evaluation Procedure 1) Leather-wrapped steering wheels shall be exposed as follows: Miami area, 12 months, 5 angle facing south, backed, under glass. 3.12.3
6、 Resistance to Heat Aging, min Rating 4 (7 days at 107 +/- 2 C, ISO 105-A02/ AATCC Evaluation Procedure 1) The heat aged sample shall not exhibit color tone change in excess of the above rating. 3.12.4 Soiling and Cleanability, min (FLTM BN 112-08, ISO 105-A02/ AATCC Evaluation Procedure 1) After Cl
7、eaning, min Rating 4 ENGINEERING MATERIAL SPECIFICATIONWSS-M1F21-B WSS-M1F22-B Printed copies are uncontrolled Copyright 2007, Ford Global Technologies, LLC Page 4 of 7 3.12.5 Resistance to Crocking, Wet, Dry, and Cleaners, min (FLTM BN 107-01, ISO 105-A02/ AATCC Evaluation Procedure 2) In addition
8、to wet and dry crocking per the test method, evaluate the following cleaners using the procedure for wet crocking: All Purpose Cleaner Rating 4 Glass Cleaner with Ammonia Rating 4 Leather and Vinyl Cleaner Rating 4 IPA (50% v/v. IPA and deionized water) Rating 3 3.12.6 Resistance to Chemicals, min R
9、ating 4 (ISO 105-A02/AATCC Evaluation Procedure 1) 1. Petroleum Naptha 2. SAE 10 W 30 Motor Oil 3. IPA (50% v/v. IPA and deionized water) Test Method: Apply 2 to 5 ml of each chemical to separate areas of the leather. (Do not allow mixing.) Cover each spot with a watch glass to prevent evaporation.
10、Expose for 1 h at 23 +/- 2 C. Remove watch glass and wipe with a soft white cloth. Thoroughly wash test area with soap and water (Leather and Vinyl Cleaner) and dry. 3.12.7 Resistance to Migration Staining Rating 5 (FLTM BN 103-01, ISO 105-A02/ AATCC Evaluation Procedure 1 and 2) After test, the spe
11、cimens and the accessory test materials must not show any surface deterioration, change in color tone (hue), or any other defects and they must be equal to or better than the sample originally approved by Materials Engineering. In addition there shall be no evidence of injurious exudation, adhesion
12、(tackiness), separation or color transfer when placed face to face with itself and the standard vinyl test material. 3.12.8 Perspiration Staining, 5 Cycles Rating 4 (FLTM BI 113-03, ISO 105-A02/ AATCC Evaluation Procedure 1) After conditioning for 5 cycles, rub the sample with a paperclip or fingern
13、ail. The materials surface shall show no evidence of softening, lifting, peeling, or color change (as compared to the sample prior to perspiration exposure.) ENGINEERING MATERIAL SPECIFICATIONWSS-M1F21-B WSS-M1F22-B Printed copies are uncontrolled Copyright 2007, Ford Global Technologies, LLC Page 5
14、 of 7 3.12.8.1 Sample as received 3.12.8.2 Heat Aged Sample Condition the sample per para. 3.12.3 prior to exposure to perspiration. 3.12.8.3 Xenon Sample Condition the sample per para. 3.12.1 (488.8 kJ/m2) prior to exposure to perspiration. 3.12.9 Suntan Lotion and Insect Repellent, max 24 C, max R
15、ating 3 74 C, max Rating 3 The suntan lotion must have an SPF factor of at least 30, contain Ethylhexyl p-methoxycinnamate and must be waterproof. The insect repellent must have at least 20% N, N diethyl-meta-toluamide. Test Method: Place 0.25 ml of each solution on the test sample using 19 mm I.D.
16、O-rings made of Teflon. Expose the sample at the test temperature for 1 h. Immediately remove from test temperature and wipe off the solution. Evaluate samples for visual effect and rate. Rating: 1. No visual effect. 2. Repairable with no visual effect. Repair must meet the rest of the specification
17、. 3. Spotting, Discoloration. 4. Softening or slight dissolving of top layer. 5. Blistering/delamination. 6. Coating Dissolved. ENGINEERING MATERIAL SPECIFICATIONWSS-M1F21-B WSS-M1F22-B Printed copies are uncontrolled Copyright 2007, Ford Global Technologies, LLC Page 6 of 7 3.12.9.1 Sample as recei
18、ved 3.12.9.2 Heat Aged Sample Condition the sample per para. 3.12.3 prior to exposure to suntan lotion and insect repellent. 3.12.9.3 Xenon Sample Condition the sample per para. 3.12.1 (488.8 kJ/m2) prior to exposure to suntan lotion and insect repellent. 3.13 FOGGING 3.13.1 Method A: Photometric Pr
19、ocedure (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 16 h) Fog Number, min 70 If oily droplets, crystals or clear film are present and the fog number is greater than 70, sample must be retested per para 3.13.2. If the fog number is less than 70, the material is reject
20、ed. 3.13.2 Method B: Gravimetric Procedure (SAE J1756, 16 h at 100 C heating, 21 C cooling plate, post test conditioning, 4 h) Weight of Condensate, max 5 mg 3.14 COLD FLEXIBILITY, min -35 C (SAE J323, Method A) The material must remain flexible and after bending at 180, it must exhibit no cracks. 3
21、.15 “W“ FLEX REQUIREMENTS, min (FLTM BN 102-02) For shift boot applications only. Fine cracks through the finish coating are acceptable, provided there is no evidence of finish peeling or roll back visible without the use of magnification. . Original 60,000 cycles . After aging 225 kJ/m2(SAE J1885)
22、30,000 cycles . After aging 7 days at 107 +/- 2 C 30,000 cycles ENGINEERING MATERIAL SPECIFICATIONWSS-M1F21-B WSS-M1F22-B Printed copies are uncontrolled Copyright 2007, Ford Global Technologies, LLC Page 7 of 7 3.16 ABRASION RESISTANCE - TABER ABRADER, min 500 cycles (FLTM BN 108-02, H-18 wheel, 50
23、0 g load, S-37 specimen mounting card, E140-15 specimen holder) The wear pattern shall be compatible with the adjacent unabraded area. The surface shall exhibit no cracking or loss of adhesion. 3.17 RESISTANCE TO SCUFFING 1000 cycles (SAE J365, A head, 0.9 kg) The materials color in the scuffed area
24、 shall be compatible with the adjacent unscuffed areas. The resistance to scuffing of production material shall be equal to or better than that exhibited by the master sample approved for production by the Materials Engineering Activity. 3.18 ODOR, max Rating 2 (FLTM BO 131-01) 3.19 SHRINKAGE, max.
25、10% (FLTM BN 105-03, except Heat Cycle 100 +/- 2 C, 3 cycles) 3.20 TOP COAT ADHESION No top coat removal or peeling Using a knife cut and “X“ approximately 25 mm wide down to the base coat of sample. Apply acetate fiber tape (3M #898, 25 mm wide, or equivalent) over the “X“. Rub the tape until good
26、contact has been achieved. Grip one end of the tape and with a quick steady pull remove the tape off the face of the sample. 3.21 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate, max 100 mm minute 4. GENERAL INFORMATION The information below is provided for clarification and assistance in meeting the requirements of these specifications. 4.1 CLEANING AGENTS (See para 3.12.4) 1) Window cleaner with E4AZ-19C507-AA glass cleaner* ammonia 2) All Purpose Cleaner E0AZ-19526-AA triple clean* 3) Leather and vinyl F2AZ-19521-WA cleaner * or Ford Motor Company Recommended Equivalents
