1、ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Release No Revisions 2012 07 17 N-Status Use product name and mfg. A. Wedepohl, FNA 1989 07 17 NB00E10028718 Released Page 1 of 6 ANTISQUEAK-FLOCKED FABRIC, PRESSURE SENSITIVE ESB-M6G17-A 1. SCOPE NOT FOR NEW DESIGN The mater
2、ial defined by this specification is a flocked fiber adhered to woven or nonwoven fabric by means of a non-staining adhesive. This composite is laminated to a two-side pressure sensitive acrylic adhesive film. 2. APPLICATION This specification was released originally for material used as an antisque
3、ak spacer between interior trim components such as A-pillar moldings and instrument panel assemblies on 1990 vehicles. 3. REQUIREMENTS 3.1 STATISTICAL PROCESS Suppliers must conform to the requirements of Ford Quality System Standard Q-101. A mutually acceptable Control Plan as described therein is
4、required for material/source approval. Appropriate statistical tools must be used to analyze process/product data so that variation in the final product is continuously reduced. 3.2 INFRARED SPECTROPHOTOMETRY AND/OR THERMAL ANALYSIS Ford Motor Company, at its option, may conduct infrared and/or ther
5、mal analysis of material/parts supplied to this specification. The IR spectra or thermograms established for initial approval shall constitute the reference standard and shall be kept on file at the designated material laboratory. All samples shall produce IR spectra and thermograms that correspond
6、to the reference standard when tested under the same conditions. 3.3 CONDITIONING AND TEST CONDITIONS All test values indicated herein are based on material conditioned in a controlled atmosphere of 23 +/- 2 C and 50 +/- 5 % relative humidity for not less than 24 h prior to testing and tested under
7、the same conditions unless otherwise specified. 3.4 APPEARANCE (FLTM BI9-1) The color, pattern, and finish shall match the approved Design Center master sample, or shall be as specified on the engineering drawing. 3.5 FOGGING (FLTM BO 116-3) ENGINEERING MATERIAL SPECIFICATION ESB-M6G17-A Page 2 of 6
8、 Fog Number, min 80 Formation of excessive amounts of clear film or droplets is cause for rejection. 3.6 CONSTRUCTION 3.6.1 Flock Fiber Type 100 % nylon Size 1.5-3.0 d tex Color Black or as specified Method of dyeing Stock or solution dyed Length/cut 0.4-0.8 mm/precision 3.6.2 Flock Adhesive The adh
9、esive shall be non-staining and shall be compatible in color with the flock fiber. The adhesive shall not become soft, tacky or exhibit blistering or delamination after any of the tests outlined in this specification, and shall be equal in other properties to the approved sample on file in the Inter
10、ior Materials Engineering Section. 3.6.3 Fabric Composition 50% synthetic, min Construction woven or non-woven 3.6.4 Pressure Sensitive Adhesive The adhesive shall be non-staining, heat resistant and suitable for a variety of substrates including polypropylene. 3.7 THICKNESS, range 1.35 - 1.60 mm (S
11、AE J 882, Total Load 113.4 g, Pressure foot diameter 25 mm) 3.8 LOOSE FLOCK, max 0.8 g/m2 (FLTM BN 8-8) All flocked parts shall be thoroughly cleaned to control the amount of loose flock to the above maximum level. 3.9 ABRASION RESISTANCE (FLTM BN 8-2, CS-10 abrasive wheels and back with S-37 specim
12、en mounting sheet) ENGINEERING MATERIAL SPECIFICATION ESB-M6G17-A Page 3 of 6 The material shall exhibit no evidence of wear through in the abraded area. Production material shall be equal to or better than that exhibited by the material approved for production by the Interior Materials Engineering
13、section. 3.9.1 Dry, min 1500 cycles (1000 g load) 3.9.2 Wet, min 1000 cycles (500 g load) Test Method: Cut sample to prescribed size to fit turntable of the Taber abrading machine. Soak sample in tap water for 15 min. Shake off excess water from the sample, then test to the prescribed number of cycl
14、es. 3.9.3 Heat Aged, 7 days at 82 C, min 1500 cycles (1000 g load) 3.10 SCUFFING RESISTANCE, min (FLTM BN 8-4, 900 g load, “A“ head) 2000 cycles There shall be no excessive lifting of flock fibers from the adhesive and no evidence of raising or peeling of adhesive from the substrate. The scuffing pe
15、rformance of production components shall be equal to or better than that exhibited by the material originally approved for production by the Interior Materials Engineering Section. 3.11 ADHESION, 180 degree mean peel, N/cm, min (ASTM D 1000, except determine adhesion on substrate/paint to be used in
16、 production. Apply dry using 2 passes with a 2 kg roller. The test results shall be reported as an average of 3 samples). The values shown below are required on ungrained substrates which must be used for source approval. Test results on grained surfaces may be different. Mean-Peel Adhesion Value AB
17、S Substrate Polypropylene Substrate (ESB-M4D483-B2) (ESB-M4D500-A) 3.11.1 As received 4.0 1.5 (20 minutes at 23 + 2 C) 3.11.2 After 7 days at 82 + 2 C) 11.6 1.5 3.11.3 After 5 cycles consisting 14.0 1.9 of 4 h at 70 + 1 C, 4 h at 38 + 1 C and 95-100% R. H., and 16 h at -29 + 1 C Note: Tests shall be
18、 completed within 4 h after completion of the last cycle. 3.12 ADHESION, Shear, KPa, min (ASTM D 1000, average of 3 tests) ENGINEERING MATERIAL SPECIFICATION ESB-M6G17-A Page 4 of 6 The values shown below are required on ungrained substrates which must be used for source approval. Test results on gr
19、ained surfaces may be different. Mean-Shear Adhesion Value ABS Substrate Polypropylene Substrate (ESB-M4D483-B2) (ESB-M4D500-A) 3.12.1 Cold Shear at -18 C 232 183 after 24 h soak period 3.12.2 Hot Shear at 60 C after 89 101 24 h soak period Preparation of Test Specimens: Prepare 6.5 cm2 overlap shea
20、r test specimen with composite material and substrate (figure I). Bond the compositive material to the substrate using an automatic rolldown machine with a speed of 30 mm/min and a 2.0 kg roller, one forward and one back stroke within 5 seconds after contact. 3.13 HUMIDITY RESISTANCE, min 48 h No de
21、lamination between material and substrate, no visible loss of adhesion. Test Method: Place assembly in humidity cabinet for 48 hours at 38 + 1 C and 95% - 100% R.H. 3.14 HEAT RESISTANCE Shall withstand a simulated paint repair bake (30 min at 120 + 2 C) and an extended heat exposure (7 days at 102 +
22、 2 C) without evidence of blistering or delamination from the substrate. 3.15 ODOR, max Rating 2 (SAE J 1351) The material shall have no disagreeable odor, either wet or dry. 3.16 FLAMMABILITY REQUIREMENT (ISO 3795/SAE J369) Burn Rate, max 100 mm/min 3.17 FUNCTIONAL APPROVAL Materials being evaluate
23、d for initial specification shall be subjected to a production trial. Functional trail results should be available to Design and Materials Engineering prior to material approval and release. ENGINEERING MATERIAL SPECIFICATION ESB-M6G17-A Page 5 of 6 3.18 SUPPLIERS RESPONSIBILITY All materials suppli
24、ed to this specification must be equivalent in all characteristics to the material upon which approval was originally granted. Prior to making any changes in the properties, composition, construction, color, processing or labeling of the material originally approved under this specification, whether
25、 or not such changes affect the materials ability to meet the specification requirements, the Supplier shall notify Purchasing, Toxicology and the affected Materials Engineering activity of the proposed changes and obtain the written approval of the Materials Engineering activity. Test data, test sa
26、mples and a new code identification are to be submitted with the request. Substance restrictions imposed by law, regulations or Ford apply to the materials addressed by this document. The restrictions are defined in Engineering Material specification WSS-M99P9999-A1, unless a different suffix (e.g.,
27、 A2 or A3) is specified on the engineering document for the application. 4. APPROVAL OF MATERIALS Materials defined by this specification must have prior approval by the responsible Materials Engineering activity. Suppliers desiring approval of their materials shall first obtain an expression of int
28、erest from the affected Purchasing, Design and Materials Engineering activity. Upon request, the Supplier shall submit to the affected Materials Engineering activity its own laboratory report to the specification (test results, not nominal values), the material designation and code number and test specimens for Ford evaluation. Upon approval, the material will be added to the Engineering Material Approved Source List. ENGINEERING MATERIAL SPECIFICATION ESB-M6G17-A Page 6 of 6 F I G U R E I WP 3948-b Page 6 of 6
