1、 ENGINEERING MATERIAL SPECIFICATION Date Action Released Rev 03 2012 05 07 N Status No usage or replacement N. Benipal, NA 2006 09 25 Revised Inserted 3.0; Deleted 3.1, 3.4 & 4 1985 07 24 Rreleased M240785 Controlled document at www.MATS Copyright 2012, Ford Global Technologies, LLC Page 1 of 5 FELT
2、, SOUND ABSORPTION, SELF-ADHESIVE ESK-M99G145-B1 FELT, SOUND ABSORPTION, SELF-ADHESIVE ESK-M99G145-B2 FELT, SOUND ABSORPTION, SELF-ADHESIVE ESK-M99G145-B3 NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by these specifications is one-sided self-adhesive moisture resistant synthetic resin
3、 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 material used as sound absorber in the passenger compartment and bonded to in
4、ner 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 producers must conform to the Companys Standard Requirements For Prod
5、uction Materials (WSS-M99P1111-A). If not otherwise specified use test panels EC-coated according to FLTM BI 120-01. 3.2 ABSORPTION MATERIAL 3.2.1 Color Any ESK-M99G145 B1 B2 B3 3.2.2 Thickness, mm 4.5 - 9.5 8.5 16 15 - 22 (ASTM C 167) 3.2.3 Density, kg/m3 60 85 50 75 50 - 75 (ASTM D 2395, Method A)
6、 3.2.4 Splitting Resistance See Figure 1 3.2.4.1 Original, min 0.4 N/cm2 3.2.4.2 After Ageing, max -10% (14 d at 70 +/- 2 C, 24 h at room temperature) ENGINEERING MATERIAL SPECIFICATION ESK-M99G145-B1/B3 Copyright 2012, Ford Global Technologies, LLC Page 2 of 5 Test Method: 1) Five test specimens 10
7、0 x 100 mm shall be bonded to two specimen holders each and conditioned for 24 hours 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. 3.2.5 Sound Absorption See Table 1 (ASTM C 384) 3.2.6 Air Flow
8、Resistance 2.0 - 3.5 x 104 Rayl/m (ASTM C 522, specimen dimension: 98 mm dia) 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 coating. T
9、he supplier is required to provide such samples on request from Quality Control. 3.3 FINISHED PART REQUIREMENTS 3.3.1 Dimension As specified on Engineering drawing 3.3.2 Staining None Test Method: (See Figure 2) Place a light colored production headlining sample in intimate contact with an approxima
10、tely 100 x 300 mm fiber pad sample and expose for 120 hours 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). 3.3.3 Adhesion After Heat Ageing No loss of adhesion, no delamination or splitting of fi
11、ber 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 clause 3. Note: With the tacky side bonded to the panel, press together evenly using a roller according to ASTM D 1000. ENGINEERING MATERIAL SPECIFIC
12、ATION ESK-M99G145-B1/B3 Copyright 2012, Ford Global Technologies, LLC Page 3 of 5 2) After conditioning at room temperature for 2 hours expose test specimens in inverted position oven at 120 C +/- 2 C for 120 hours. 3) Condition test specimens in inverted position for 24 hours at room temperature an
13、d subject three 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% relative humidity 4) After 24 hours at room temperature test specimens according to FLTM BV 151-01, claus
14、e 5-8, Load “A“, -30 +/- 1 C. 3.3.4 Flammability 3.3.4.1 ESK-M99G145-B1/B2/B3 Burn Rate, max 100 mm/minute In order to comply with Federal Motor Vehicle Safety Standard No. 302, the materials, portions of components, and composites shall not burn or transmit a flame across their surface, at a rate o
15、f more than 100 mm/minute. To demonstrate, compliance, the sample size and method of testing shall be in accordance with FLTM EU-BN 024-02. 3.3.4.2 Performance - Environmental Ageing Requirement All materials, portions of components, and composites defined by this specification that have not been tr
16、eated, modified or reformulated, and exceed a maximum burn rate of 75 mm per minute as specified by the Flammability Lot Sampling Plan of FLTM EU-BN 024-02, must be evaluated for permanency of the materials flame retardant properties per SK-M99P9500-A, Table 1 according to the accelerated environmen
17、tal ageing requirements applicable to the basic material category of this particular specification. 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 EU-BN 024-02, r
18、egardless of maximum burn rate, must be evaluated for both permanency of materials flame retardant 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. ENGINEERING MATERIAL SPECIF
19、ICATION ESK-M99G145-B1/B3 Copyright 2012, Ford Global Technologies, LLC Page 4 of 5 3.3.5 Mildew Resistance No evidence of mildew development. Test Method: Place a 100 x 100 mm sample of material soaked with distilled water in a beaker glass of one liter capacity and cover tightly with a lid. Mainta
20、in at a temperature of 35 +/- 2 C for 14 days. Remove lid and examine for evidence of mildew development. 3.3.6 Quality The material shall be of uniform quality free from foreign material and properties detrimental to normal production use. 3.3.7 Substance Control Legal, health, safety and environme
21、ntal constraints may apply to the materials which are submitted for approval to this specification. Refer to Engineering Material Specification WSS-M99P9999-A1. 3.3.8 Assessment of Odor, max Rating 2 (FLTM BO 131-01) 5. GENERAL INFORMATION The information given below is provided for clarification an
22、d assistance in meeting the requirements of these specifications. 5.1 ST0RAGE STABILITY (From date of receipt at Ford Motor Company) Minimum 6 months when stored at temperatures below 30 C. The release liner shall remove easily when measured by hand peel examination and shall not change appreciably
23、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% 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% 1
24、7.0% 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 ESK-M99G145-B1/B3 Copyright 2012, Ford Global Technologies, LLC Page 5 of 5
