1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 02 2013 08 13 Revised Corrected typo in 3.4.2 from A1/2/3 to C1/2/3 P. Konopka, NA 2006 09 25 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.7 & 4 2001 10 10 Activated Replaces ESK-M99G145-A1/A2/A3 W. Scholz/P. Purcell Controlled document at w
2、ww.MATS Copyright 2013, Ford Global Technologies, LLC Page 1 of 6 FELT, SOUND ABSORPTION, SELF-ADHESIVE WSK-M99G145-C1 FELT, SOUND ABSORPTION, SELF-ADHESIVE, 12 mm NOMINAL WSK-M99G145-C2 FELT, SOUND ABSORPTION, SELF-ADHESIVE, 18 mm NOMINAL WSK-M99G145-C3 1. SCOPE The material defined by these specif
3、ications is one-sided self-adhesive moisture resistant synthetic resin bonded non-woven fiber padding consisting of natural and recycled fiber material. The adhesive film (hot melt adhesive) is covered by release paper or foil. 2. APPLICATION These specifications were released originally for materia
4、l used as sound absorber in the passenger compartment and bonded to inner side of roof, door and instrument panel. 3. REQUIREMENTS Material specification requirements are to be used for initial qualification of materials. 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part
5、 producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.3 CONDITIONING AND TEST CONDITIONS Note: Samples for control and routine checks shall be submitted as required by Quality Control. The material shall be conditioned for a min of 24 h at 23 +/-
6、2 C and 50 +/- 5% relative humidity prior to test. If not otherwise specified use test panels EC-coated according to FLTM BI 120-01, C. 3.4 ABSORPTION MATERIAL 3.4.1 Color Any C1 C2 C3 3.4.2 Thickness, mm 4.5 - 9.5 8.5 - 16 15 - 22 (ASTM C 167) 3.4.3 Density, kg/m3 60 - 85 50 - 75 50 - 75 (ASTM D 23
7、95, Method A) 3.4.4 Splitting Resistance See Figure 1 3.4.4.1 Original, min 0.4 N/cm2 ENGINEERING MATERIAL SPECIFICATION WSK-M99G145-C1/C3 Copyright 2013, Ford Global Technologies, LLC Page 2 of 6 3.4.4.2 After Aging, max -10% (14 d at 70 +/- 2 C, 24 h at room temperature) Test Method: 1) 5 test spe
8、cimens 100 x 100 mm shall be bonded to 2 specimen holders each and conditioned for 24 h at room temperature (use adhesive S-M2G4610-A or equivalent). 2) Determine splitting resistance in a tensile machine at a rate of pull of 25 mm/minute. 3.4.5 Sound Absorption See Table 1 (ASTM C 384) 3.4.6 Air Fl
9、ow Resistance 2.0 - 3.5 x 104 Rayl/m (ASTM C 522, specimen dimension: 98 mm diameter) Where: R = Air Flow Resistance P = Air Pressure Difference, in “mm“ Water Column Q = Volume Velocity of Air Flow, in Liter/min d = Thickness in mm Note: This test shall be performed on specimens without adhesive co
10、ating. The supplier is required to provide such samples on request from Quality Control. 3.5 FINISHED PART REQUIREMENTS 3.5.1 Dimension As specified on Engineering drawing 3.5.2 Staining None Test Method: (See Figure 2) Place a light colored production headlining sample in intimate contact with an a
11、pproximately 100 x 300 mm fiber pad sample and expose for 120 h in the Florescent Sunlamp Cabinet with the headlining facing the light source and adhesive side of fiber pad bonded to the panel (see FLTM BU 152-02). 3.5.3 Adhesion After Heat Aging No loss of adhesion, no delamination or splitting of
12、fiber material, no chipping. Test Method: 1) Apply 280 x 280 mm pieces of test material to 300 x 300 x 1.5 +/- 0.1 mm test panels, prepared according to para 3. Note, with the tacky side bonded to the panel and press together evenly using a roller according to ASTM D 1000. ENGINEERING MATERIAL SPECI
13、FICATION WSK-M99G145-C1/C3 Copyright 2013, Ford Global Technologies, LLC Page 3 of 6 2) After conditioning at room temperature for 2 h expose test specimens in inverted position oven at 120 +/- 2 C for 120 h. 3) Condition test specimens in inverted position for 24 h at room temperature and subject t
14、hree times to the following cycle in the sequence indicated below: 1 Cycle: 3 h at -30 +/- 1 C 1 h at 23 +/- 2 C 3 h at 80 C +/- 2 C 1 h at 23 +/- 2 C 16 h at 38 +/- 2 C and 98 +/- 2% R.H. 4) After 24 h at room temperature test specimens according to FLTM BV 151-01, para 5 - 8, Load “A“, -30 +/- 1 C
15、. 3.5.4 Flammability (ISO 3759) Burn Rate, max 100 mm/minute 3.5.5 Performance, Environmental Aging Requirement All materials, portions of components, and composites defined by this specification that have not been treated, modified or reformulated, and exceed a max burn rate of 75 mm per minute as
16、specified by the Flammability Lot Sampling Plan of FLTM BN 124-02, must be evaluated for permanency of the materials flame retardant properties per SK-M99P9500-A, Table 1 according to the accelerated environmental aging requirements applicable to the basic material category of this particular specif
17、ication. Any material, portions of components, and composites defined by this specification that have been treated, modified or reformulated to conform to Flammability Lot Sampling Plan of FLTM BN 124-02, regardless of max burn rate, must be evaluated for both permanency of materials flame retardant
18、 properties and changes in mechanical, chemical and physical properties per SK-M99P9500-A, Table 1 applicable to the basic material category of this particular specification. 3.5.6 Mildew Resistance No evidence of mildew development. Test Method: Place a 100 x 100 mm sample of material soaked with d
19、istilled water in a beaker glass of 1 L capacity and cover tightly with a lid. Maintain at a temperature of 35 +/- 2 FLTM BV 151-01C for 14 d. Remove lid and examine for evidence of mildew development. 3.5.7 Quality The material shall be of uniform quality free from foreign material and properties d
20、etrimental to normal production use. ENGINEERING MATERIAL SPECIFICATION WSK-M99G145-C1/C3 Copyright 2013, Ford Global Technologies, LLC Page 4 of 6 3.5.8 Substance Control Legal, health, safety and environmental constraints may apply to the materials which are submitted for approval to this specific
21、ation. Refer to Engineering Material Specification WSS-M99P999-A1. 3.5.9 Assessment of Odor, max Rating 2 (FLTM BO 131-01) 3.6 FOGGING (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 1 h and 16 h) Fog Number, min 70 Formation of clear film, droplets or crystals is cause
22、for rejection. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of these specifications. 5.1 ST0RAGE STABILITY (From date of receipt at Ford Motor Company) Min 6 months when stored at temperatures below 30 C. The release line
23、r shall remove easily when measured by hand peel examination and shall not change appreciably after 6 months storage below 30 C. 5.2 HEIGHT IN STORAGE As recommended by supplier. Table 1 Min Absorption Requirements Thickness (mm) 6.0 + 1.5 8.0 + 1.5 10 + 1.5 12 + 2 14 + 2 17 + 2 20 + 2 Hz: 800 7.0%
24、10.0% 12.0% 14.0% 22.0% 25.0% 27.0% 1000 8.0% 12.0% 14.0% 16.0% 25.0% 29.0% 31.0% 1250 10.0% 17.0% 22.0% 25.0% 30.0% 33.0% 39.0% 1600 12.0% 23.0% 30.0% 33.0% 36.0% 38.0% 50.0% 3150 32.0% 40.0% 55.0% 60.0% 67.0% 70.0% 75.0% 4000 40.0% 50.0% 65.0% 70.0% 75.0% 80.0% 85.0% 5000 45.0% 60.0% 75.0% 80.0% 80.0% 85.0% 90.0% ENGINEERING MATERIAL SPECIFICATION WSK-M99G145-C1/C3 Copyright 2013, Ford Global Technologies, LLC Page 5 of 6 Figure 2 Dimensions in mm ENGINEERING MATERIAL SPECIFICATION WSK-M99G145-C1/C3 Copyright 2013, Ford Global Technologies, LLC Page 6 of 6 Figure 2 Dimensions in mm
