1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 10 11 N-STATUS No replacement named C. Mracna, NA 2006 10 31 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.9, 3.10 (2) no expansion, shrinkage, or warping that will interfere with normal functional operation or cause objectionable visual
2、 appearance. Install the instrument panel pad assembly on an actual or simulated production support foundation with the approved retention methods. Subject the assembly to the following environmental cycle: 2 h at 82 +/- 2 C 1 h at 20 +/- 2 C 3 h at 45 +/- 2 C and 85 +/- 5% R.H. 2 h at -20 +/- 2 C 1
3、 h at 0 +/- 2 C 4 h at -40 +/- 2 C 1 h at 0 +/- 2 C 2 h at -20 +/- 2 C 3 h at 45 +/- 2 C and 85 +/- 5% R.H. 1 h at 20 +/- 2 C 4 h at 82 +/- 2 C 1 h at 20 +/- 2 C 3 h at 45 +/- 2 C and 85 +/- 5% R.H. 2 h at -20 +/- 2 C 1 h at 0 +/- 2 C 2 h at -40 +/- 2 C One hour ramp time between each step. Appearan
4、ce Evaluation: No evidence of cracks, no blistering, no change in appearance or other failure when compared with original unaged test sample. ENGINEERING MATERIAL SPECIFICATIONWSS-M98D34-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 7 of 9 3.7.11 FLAMMABILITY,
5、max 100 mm/minute ISO 3795/SAE J369) 3.7.12 Flexibility at -35 C No cracks (FLTM BN 102-01, except 180 bend over 19 - 20 mm diameter mandrel) 3.7.13 Resistance to Cleaning Agents, max Rating 4 discoloration (FLTM BN 107-01, 10 cycles, AATCC Evaluation Procedure 3) Saturate white cotton cloth with th
6、e cleaners listed. Evaluation according to the AATCC Scale. Cleaners (see also para 5.1) 1) Window cleaner with ammonia 2) All Purpose Cleaner 3) Isopropyl Alcohol/Water 50% v/v (5 cycles, Rating 3) 3.7.14 Resistance to Crocking, min (FLTM BN 107-01 and AATCC Evaluation Procedure 3) Dry and Wet Rati
7、ng 4 Two-tone painted or parts topcoated for gloss and color control. 3.7.15 Soiling and Cleanability (FLTM BN 112-08, ISO 105-A02/AATCC Evaluation Procedure 1) Cleanability Rating 3 3.7.16 Resistance to Abrasion, min (SAE J948, Taber method, 250 cycles, 500 g load, CS-10 wheels, one sample, dry abr
8、asion) The abraded area shall be compatible with the adjacent unabraded area. 3.7.17 Resistance to Scuffing (SAE J365, 250 cycles) No evidence of lifting, peeling, or excessive scuffing. The scuffed area must be compatible with the adjacent unscuffed area. 3.7.18 Resistance to Marring (SAE J365, 10
9、cycles) No severe change in gloss, mar can almost be removed with four rubs of the thumb across the mar. ENGINEERING MATERIAL SPECIFICATIONWSS-M98D34-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 8 of 9 3.7.19 Resistance to Scratching, max (FLTM BN 108-13) 2N f
10、orce using the 1 mm stylus Rating 1 2N force using the 7 mm mar balls Rating 1 3.7.20 Migration Staining, min Rating 3 (FLTM BN 103-01, ISO 105 A-02/ AATCC Evaluation Procedure 1) No evidence of exudation, adhesion (tackiness), separation, color transfer, or flattening of embossing when placed face
11、to face with itself or white vinyl per WSB-M2F177-A. 3.8 ASSEMBLY REQUIREMENTS - TOPCOATED FOR GLOSS AND COLOR CONTROL AND/OR TWO TONE PAINTED PARTS Except where otherwise noted, resistance property tests shall be conducted with substrate, a minimum of 6 mm of foam thickness and the cover material t
12、aken from a production representative panels. These tests must be conducted in addition to para 3.7 in order to ensure proper paint application and performance. 3.8.1 Coating Adhesion (FLTM BI 106-01, Method D) The tape shall not lift or delaminate the surface coating. Less than 5% paint removal wit
13、h no complete diamonds removed. A sharp knife should be used to make six lines in each direction making up the grid. The overall dimensions should be at least 25 mm wide by 50 mm long from the widest and longest points unless restricted by part size. 3.8.2 Water Resistance (FLTM BI 104-01, 24 h) Imm
14、ediately after removal from the water conduct adhesion testing per para 3.8.1. Less than 5% paint removal with no complete diamonds removed. No blistering or dulling. 3.8.3 Cleaning Removal Resistance, Rating 4 (FLTM BN 107-01, 500 Cycles, AATCC Procedure 2) Two-tone painted parts only. Test Method:
15、 Place the painted vinyl strip on the crock-meter and apply 3 mL of vinyl cleaner (EOAZ-19521-AA) to the contact surface. Perform 500 cycles, rinse the cleaner off the strip, and evaluate according to AATCC Procedure 2. 3.8.4 Resistance to Suntan Lotion Rating 3 and Insect Repellent - Flexible, max
16、24 C and 74 C for 1 h The suntan lotion must have a SPF factor of at least 30, contain Ethylhexyl p-methoxycinnamate and must be water-proof. The insect repellent must have at least 20% N, N-diethyl-meta-toluamide. Place 0.25 ml of solution on the test sample using a 20 +/-1 mm I.D. O-ring made of T
17、eflon. 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 the area inside the ring. ENGINEERING MATERIAL SPECIFICATIONWSS-M98D34-A Printed copies are uncontrolled Copyright 2010, Ford Glob
18、al Technologies, LLC Page 9 of 9 Rating: 1) No visual effect 2) Spotting/discoloration. 3) Spotting/discoloration/recoverable softening/ wrinkling 4) Softening 5) Blistering/delamination 6) Coating dissolved Ratings 2 and 3 may be repaired with no visual effect and must meet the rest of the specific
19、ation. Only the instrument panel area may be repaired and not the airbag seam area defined as 50 +/- 1 outboard of the character groove and the entire airbag door. 3.8.5 Thermal Shock Test for Paint Rating 19 Adhesion, min (FLTM BI 107-05) No loss of gloss or any other surface deterioration. 5. GENE
20、RAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 CLEANING AGENTS (See para 3.7.6) 1) Window cleaner with ammonia E4AZ-19C507-AA* 2) All Purpose Cleaner E0AZ-19526-AA* *or Ford Motor Company Recommended Equivalents 5.2 RECYCLING CODE
