1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Release No. Released1994 12 16 Revised and Retyped, was 15 pages1985 01 17 B/001674 TP Revised1972 01 17 CE 4018 KP Last RevisionWP 3948-a Page 1 of 9 MULTI-PLY DEADENER PAD S-M99G4601-BMULTI-PLY DEADENER PAD DELTA S-M99G4601-
2、C1. SCOPEThe material defined by this specification is a multi-pl y deadener pad witha bitumen and/or plastic base flexible heavy layer and a fiber paddingconsist ing of natural and/or synthetic fibers. The fiber padding may bereplaced by a polyurethane foam pad.2. APPLICATIONThis material is used a
3、s a sound deadener pad in the pas senger compartment.3. REQUIREMENTSThe ma terial shall be conditioned for a minimum of 24 hours at 20 +/- 2 Cand 65 +/- 3 % relative humidity prior to test.3.1 CONSTRUCTIONThis ma terial consists of a bitumen and/or plastic based flexiblehea vy layer and a non-woven
4、fiber padding consisting of naturaland/or synthetic fibers bonded with synthetic resins.The f iber padding may be replaced by a polyurethane foam pad (chipfoam ). The fiber or foam pad and heavy layer must be laminated byappropriate means.S-M99G4601 BA/CA BB/CB3.2 THICKNESS FIBER/FOAM, mm 12 +/- 1 1
5、6 +/- 1(ASTM C 167)3.3 THICKNESS HEAVY LAYER, mm 2 + 0.5 3 + 0.5(ASTM D 374, Method A)3.4 TOTAL WEIGHT, kg/m2, max 6.0 8.03.5 FLEXIBILITY(FLTM EU-BV 55-3)No chipping or cracking of heavy layer pad.ENGINEERING MATERIAL SPECIFICATIONS-M99G4601-BDELTA S-M99G4601-CWP 3948-b Page 2 of 9 3.6 COLD IMPACT R
6、ESISTANCE(FLTM EU-BV 55-6, Load A, - 30 C)No chipping of heavy layer pad or tearing at fastening slots.3.7 PALLETIZING See Figure 1The material shall separate easily upon peeling by hand withouttear ing. There shall be no fiber or foam residue sticking to theanti-blocking surface of the heavy layer
7、pad after separation.Test Method:1) Cut 5 specimens 200 x 200 mm from material under test anddetermine weight and thickness per specimen.2) Ply-up and cover with an aluminum plate of same size.3) Load with a dead weight equalling a ply-up height of 500 mm minusweight of five specimens and cover plat
8、e.4) Expose assembly in a mechanical convection oven maintained at atemperature of 50 +/- 2 C for 2 weeks. Co ol to room temperature,remove weight and cover plate and examine as described above.3.8 SPLITTING RESISTANCE (Fiber Pad), min 2 kN/m2Test Method: (See Figure 2)1) Three test specimens 100 x
9、100 mm shall be bonded to two specimenholders each (see Figure 1) and conditioned for 24 hours at roomtemperature (use adhesive S-M2G4610-A or equivalent).2) Determine splitti ng resistance in a tensile testing machine at arate of pull of 25 mm/minute.3.9 HEAT RESISTANCENo se paration between fiber
10、or foam padding and heavy layer pad orsplitting of fiber or f oam padding. No deterioration of heavy layerpad.Test Method: (See Figure 3)1) Cut from material under test specimens 200 x 200 mm and bond withthe fiber or foam surface to primed metal panels 300 x 300 mmusing adhesive S-M2G4610-A or equi
11、valent.2) Conditi on for 24 hours at room temperature and suspend in amechanical convec tion oven maintained at 90 +/- 2 C for 2 weeks.ENGINEERING MATERIAL SPECIFICATIONS-M99G4601-BDELTA S-M99G4601-CWP 3948-b Page 3 of 9 3.10 SHRINKAGEThe finished part shall not shrink in excess of 3 % in any direct
12、ionafter 1 ho ur at 80 +/- 2 C ambient air temperature. Cool to roomtemperature prior to measuring shrinkage.3.11 MILDEW RESISTANCE AND ODORNo eviden ce of mildew development. The odor test shall be inaccordance with FLTM BO 131-01, maximum Rating 2.Test Method: Place a 100 x 100 mm sample of fiber
13、padding soakedwith distilled water in a beaker glass of one liter capacity andcover tightly with a lid. Maintain assembly at a temperature of 35+/- 2 C for 14 days. Remove lid and examine for evidence of mildewdevelopment.3.12 FLAMMABILITY3.12.1 S-M99G4601-B(ISO 3795)Burn Rate, max 250 mm/minuteDELT
14、A 3.12.2 S-M99G4601-CBurn Rate, max 100 mm/minuteFlammability:In order to comply with Federal Motor Vehicle Sa fety StandardNo. 302, the materials, portions of components, andcomposites shall not burn, or transmit a flame across theirsurfaces, at a rate of more than 100 mm/minute. Todemonstrate comp
15、liance, the samples size and method oftesting shall be in accordance with FLTM EU-BN 24-2.3.13 PERFORMANCE-ENVIRONMENTAL AGEING REQUIREMENTAll materials, portions of components, and compo sites defined by thisspecification that have not been treated, modified or reformulated,and exceed a maximum bur
16、n rate of 75 mm per minute as specified bythe Fla mmability Lot Sampling Plan of FLTM EU-BN 24-2, must beevaluated for permanency of the materials flame retardant propertiesper SK-M99P9500-A, Table 1 according to the acce lerated environmentalageing requirements applicable to the basic mate rial cat
17、egory of thisparticular specification.ENGINEERING MATERIAL SPECIFICATIONS-M99G4601-BDELTA S-M99G4601-CWP 3948-b Page 4 of 9 Any material, portions of components, and composites defined by thisspec ification that have been treated, modified or reformulated toconform to Flammability Lot Sampling Plan
18、of FLTM EU-BN 24-2,rega rdless of maximum burn rate, must be evaluated for bothper manency of materials flame retardant properties and changes inmechanical, chemical and physical properties per SK-M99P9500-A, Table1 applicable to the basic material category of this particularspecification.3.14 ACOUS
19、TIC OVERALL EFFICIENCY In accordance with Figure 4(FLTM EU-BV 60-3)3.15 STIFFENERS OF THE HEAVY LAYER According to graph on Page 9Note: This test is only applicable if required on Engineeringdrawing.Test Method:1) Cut five (5) 90 x 25 mm test s pecimens from the finished part andremove felt or foam
20、layer from the test piece without d amaging theheavy la yer. The thickness of the heavy layer shall be between1.7 mm and 3.5 mm.2) Test according to ASTM D 747, except direct reading, 10 mm bendingspan, 0.15 Nm torque.3) Det ermine the percentage of maximum bending moment depending onthe angular def
21、lection within the limits of 0.175 to 1. 396 rad andbased on a 1 mm test specimen thickness as an average of 5measurements.3.16 QUALITYThe material shall be of uniform quality free from foreign materialand pro perties detrimental to normal production use. It shall notcause excessive soiling of handl
22、ers in normal production use.3.17 SUBSTANCE CONTROLLegal, health, safety a nd environmental constraints may apply to themate rials which are submitted for approval to this specification.Refer to Engineering Material Specification SK-M99P999-A.3.18 SUPPLIERS RESPONSIBILITYAll materials supplied to th
23、is specification must be equivalent inal l characteristics to the material upon which approval wasoriginally granted.ENGINEERING MATERIAL SPECIFICATIONS-M99G4601-BDELTA S-M99G4601-CWP 3948-b Page 5 of 9 Pri or to making any change in the properties, composition,constr uction, color, processing or la
24、beling of the materialorig inally approved under this specification, whether or not suchchange s affect the materials ability to meet the specificationrequir ements, the Supplier shall notify Purchasing, Toxicology andthe affected Materials Engineering activity of the proposed changesand obtain the
25、written approval of the Materials Engineeringactivity. Test data, t est samples and a new code identification areto be submitted with the request.Substance restrictions imposed by law, regulations or Ford, apply tothe materials addressed by this document. The restrictions aredefined in Engineering M
26、aterials Specification WSS-M99P9999-A1.4. APPROVAL OF MATERIALSMat erials defined by this specification must have prior approval by theresp onsible Materials Engineering activity. Suppliers desiring approvalof thei r materials shall first obtain an expression of interest from theaffec ted Purchasing
27、, Design and Materials Engineering activity. Uponrequest, the Supplier shall submit to the affected Materials Engineeringactivity a completed copy of their laboratory test reports, signed by aqualified and authorized representative of the test faci lity, demonstratingful l compliance with all the re
28、quirements of this specification (testresults, not nominal values), the material designation a nd code number, andtes t specimens for Ford evaluation. Fords engineering approval of amateri al will be based on its performance to this specification and on anassessment of suitability for intended proce
29、sses and/or applications. Uponapprov al, the material will be added to the Engineering Material ApprovedSource List.5. GENERAL INFORMATIONThe information given below is provided for clarification and assistancein meeting the requirements of this specification.5.1 STORAGE STABILITY(From date of recei
30、pt at Ford Motor Company)Minimum 6 months when stored between 5 C and 28 C.5.2 HEIGHT IN STORAGE, max 500 mmENGINEERING MATERIAL SPECIFICATIONS-M99G4601-BDELTA S-M99G4601-CWP 3948-b Page 6 of 9 ENGINEERING MATERIAL SPECIFICATIONS-M99G4601-BDELTA S-M99G4601-CWP 3948-b Page 7 of 9 ENGINEERING MATERIAL SPECIFICATIONS-M99G4601-BDELTA S-M99G4601-CWP 3948-b Page 8 of 9 ENGINEERING MATERIAL SPECIFICATIONS-M99G4601-BDELTA S-M99G4601-CWP 3948-b Page 9 of 9
