1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Para No. Revisions1982 11 19 Released E84GEN864/C5N1 PR-905268Page 1 of 4DEADENER - COMPOSITE PAD - ADHESIVE BACKED ESB-M5G31-AINACTIVE ESB-M5G31-B1. SCOPE:The material defined by this specification is a heat resistant spacede
2、xtentional layer deadener composed of a bituminous saturated fibrouslayer core with a filled visco-elastic copolymer surface and a pressuresensitive adhesive coating on the other side, protected by a releasematerial which is removed prior to installation. The release material iscoated as required to
3、 provide release from the adhesive and/or blockingresistance in shipping and storage.2. APPLICATION:This specification was released originally for material used as a sounddeadener on roof panels of the 1983-1/2 Topaz/Tempo carlines. Thebonding surface should be smooth and flat or only slightly curve
4、d. Afirm even pressure is necessary to bond the material. A roller isrecommended for this purpose.3. REQUIREMENTS:Based on the material without the release paper, except where noted.3.1. CONDITIONINGAll test values indicated herein are based on material conditionedin a controlled atmosphere of 23 +/
5、- 2 C and 50 +/- 5% relativehumidity for 24 h prior to testing and tested under the samecontrolled conditions.3.2 WEIGHT(ASTM D 461, Avg. of 5) 1.59 +/- 0.16 kg/m 23.3 CONSTRUCTION. Filled visco-elastic copolymer surface. Bituminous saturated fibrous layer. Pressure sensitive adhesive. Release mater
6、ial3.4 INFRARED SPECTROPHOTOMETRY AND/OR THERMAL ANALYSISFord Motor Company, at its option, may conduct infrared and/orthermal analysis of material/parts supplied to this specification.The spectra and curves established for initial approval shallconstitute the reference standard and shall be kept on
7、 file at FordMotor Company. All samples shall produce IR spectra that correspondto the reference standard when tested under the same conditions asthose specified on the master spectra.ENGINEERING MATERIAL SPECIFICATION ESB-M5G31-AINACTIVE ESB-M5G31-BPage 2 of 43.5 SPECIFIC STRENGTH, min 4292 kPa(AST
8、M D 461, 1 in (25 mm) wide testsample, Avg. of 5)3.6 TEAR STRENGTH, min 163 N/cm(ASTM D 624, Die C,“ Avg. of 5)3.7 FLEXIBILITY(FLTM BN 2-1)At 13 C No crackingAt 23 C No crackingTest Method: Follow the BN 2-1 test method, except delete the ovenconditioning. Condition one 50 x 200 mm sample at 13 C an
9、d one50 x 200 mm sample at 23 C for a minimum of 4 h. Bend 180 slowly, around a 25 mm diameter mandrel with either surface up.3.8 BOND ADHESION, min(FLTM BV 1-5, Avg. of 5)Original 265 NAfter Cycle Aging (per para 3.9) 142 N3.9 COLD SLAM(FLTM BV 1-2)The composite must pass the following cycle aging
10、test without lossof adhesion:Cycle Aging. 1 h at 177 +/- 5 C. 1 h at 23 +/- 2 C. 1 h water immersion (maintained at room temperature). 1 h at 177 +/- 5 C. 4 h at 23 +/- 2 C. 4 h at -35 +/- 3 C & conduct sealer impact test at -35 C. 1 h at 23 +/- 2 C & conduct sealer impact test at roomtemperatureSam
11、ple Preparation: Bond a 150 x 150 mm sample to a 300 x 300 mm“E“ coated metal panel. Roll a 4.5 kg roller twice over the sampleto control the bonding procedure.3.10 HEAT STABILITY No sagging at 177 +/- 5 CTest Method: A 150 x 150 mm sample on 300 x 300 mm metal panel(per para 3.9 sample preparation)
12、 is held vertically in oven for1 h at 177 +/- 5 CENGINEERING MATERIAL SPECIFICATION ESB-M5G31-AINACTIVE ESB-M5G31-BPage 3 of 43.11 RESISTANCE TO BLOCKINGMaterial separates easily with no tearing.Test Method: Place 4.5 kg on six 50 x 50 mm samples, with releasepaper as supplied, at 71 C for 24 h and
13、then cool to roomtemperature.3.12 DAMPING LOSS FACTOR, min 0.15AT 200 HzTest Method: FLTM EU-BV60-1 with the following exceptions:. Test strip to be 300 x 20 x 0.76 mm. Determine f 1 and f 2 at -3dB from resonance frequency. Bond material to test strip by passing over material once witha 4.5 kg roll
14、er. Disregard weight ratio calculations3.13 ESB-M5G31-A FLAMMABILITY, max 4 in (101 mm)/min(FLTM BN 24-2, without the lot sampling plan)In addition, the test specimen shall not exhibit any flashing orsudden flaming on either surface in excess of the above maximumvalue. 3.14 ESB-M5G31-B FLAMMABILITYI
15、n order to comply with Federal Motor Vehicle Safety Standard No.302, the materials, portions of components, and composites shallnot burn, or transmit a flame across its surface, at a rate of morethan 4 in (101 mm) per min. To demonstrate compliance, the samplesize and method of testing shall be in a
16、ccordance with FLTM BN24-2.3.15 PERFORMANCE - ENVIRONMENTAL AGINGAll materials, portions of components, and composites defined bythis specification that have not been treated, modified orreformulated and exceed a max burn rate of 3.0 in (76 mm) per minas specified by the Flammability Lot Sampling Pl
17、an of FLTM BN 24-2,must be evaluated for permanency of the materials flame retardantproperties per ESB-M25P3-A according to the acceleratedenvironmental aging requirements applicable to the basic materialscategory of this particular specification.Any material, portions of components, and composites
18、defined bythis specification that have been treated, modified or reformulatedto conform to Flammability Lot Sampling Plan of FLTM BN 24-2,regardless of max burn rate, must be evaluated for both permanencyof materials flame retardant properties and changes in mechanical,chemical and physical properti
19、es per ESB-M25P3-A applicable to thebasic materials category of this particular specification.ENGINEERING MATERIAL SPECIFICATION ESB-M5G31-AINACTIVE ESB-M5G31-BPage 4 of 43.16 FLAMMABILITY TEST PROGRAMMaterials, portions of components, and composites governed bythis specification must also comply wi
20、th the requirementsof ES-D3AB-11014-AA.3.17 SUPPLIERS RESPONSIBILITYMaterial supplied to this specification must be equivalent to thatoriginally approved. Changes in formulation or processing shallnot be made without prior approval as described in SupplierProcedure I-A.4. APPROVAL OF SUPPLIERS:Suppl
21、iers to this specification must be approved by the affected productengineering office. Procedure for gaining approval of a specificmaterial to a new/existing ES-M specification is contained in SupplierProcedure I-A. Approved new suppliers will be added to the EngineeringMaterials Approved Source List.5. GENERAL INFORMATION:It is recommended that feasibility trials be conducted for newapplications of this material before issuing final release. Part sizeand location may affect the materials adhesive performance, particularlyif the material is applied before final paint baking.
