1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Release No. Released1994 12 14 Revised and Retyped, was 15 pages1987 11 02 B/036764TP Revised/Sheet 2, 11, 12, 13, 141984 01 13 SM/EQ5431TP ReleasedWP 3948-a Page 1 of 8DEADENER SHEETING, HIGH TEMPERATURE FUSIBLE, INACTIVE ESK
2、-M5G38-AFLOOR PANELDEADENER SHEETING, HIGH TEMPERATURE FUSIBLE, L ESK-M5G38-BFLOOR PANEL1. SCOPEThe mat erial defined by this specification is a deadener sheeting of lowdensity based on bitumen and mineral filler with an antiblocking surfacefinish on one side.2. APPLICATIONThis mat erial was origina
3、lly released for heat bonding to EC-primedvertical floor panels in the passenger compartment durin g spray primer ovenexposure.3. REQUIREMENTSNote: The material shall be conditioned for a min of 24 h at 23 +/- 2 Cand 50 +/- 5 % relative humidity prior to test.Unless otherwise specified, use test pan
4、els EC-coated and heat curedaccording to FLTM EU-BI 20-1, C.3.1 COLOR Bl ack or as specified onEngineering drawing3.2 SOLIDS, min 99 %(FLTM EU-BV 50-10)3.3 ASH, max 65 %(FLTM EU-BV 50-10)3.4 THICKNESS, max 1.9 mm(Slide Gauge)3.5 DENSITY, max 1.95 g/cm3(ISO R 1183, Method A)ENGINEERING MATERIAL SPECI
5、FICATIONESK-M5G38-AL ESK-M5G38-BWP 3948-b Page 2 of 83.6 RESISTANCE TO SAGGINGNo sagging of test material, no blisters or cracks.Test Method:1) Apply test material to test panels (prepared according toclause 3, note) according to fig. 1 and 2. Fig 1: Test panel size560 x 250 mm, test material cut ou
6、t in center 100 x 55 mm.2) Cure test assemblies according to FLTM EU-BV 50-5, Table 2(separate test assemblies for each curing cycle):a) Minimum heat curing cycleb) Maximum heat curing cycle3) Examine after cooling to room temperature.3.7 ADHESION AFTER HEAT AGEING(FLTM EU-BV 55-2, Method B, heat ag
7、eing 14 dat 80 +/- 2 C, load “A“, curing cycle accordingto 3.6 of test method, section 2, test panelthickness 1.5 +/- 0.1 mm).No chipping, no loss of adhesion or blistering.3.8 COLD ADHESION AFTER HEAT AGEING(FLTM EU-BV 51-2, Method B, heat ageing 14 dat 80 +/- 2 C, load “A“, - 25 +/- 2 C; curingcyc
8、le according to 3.6 of test method, section 2,test panel thickness 1.5 +/- 0.1 mm)No chipping, no loss of adhesion.3.9 CORROSION RESISTANCE No corrosionTest Method:1) Apply material under test in the dimension of 280 x 280 mmcent rally on 300 x 300 mm test panels, prepared according toclause 3, note
9、.2) Expose separate test assemblies to:a) Minimum heat curing cycleb) Maximum heat curing cycleof FLTM EU-BV 50-5, Table 2.3) Condition test specimens for 24 hours at room temperature; thenstore specimens in a humidity cabinet for 240 hours at 38 +/- 1 Cand 98 +/- 2 % room temperature.ENGINEERING MA
10、TERIAL SPECIFICATIONESK-M5G38-AL ESK-M5G38-BWP 3948-b Page 3 of 84) Remove a 30 x 280 mm strip of material from test specimens andexamine for evidence of corrosion.3.10 TEMPERATURE CYCLING TESTNo chipping, shrinkage, blistering or loss of adhesion.Test Method:1) Specimen preparation according to 3.9
11、 of test method, section 1and 2, test panel thickness 1.5 +/- 0.1 mm.2) Condit ion test specimens for 24 hours at room temperature andsubject three times to the following cycle in the sequenceindicated below:3 h at 80 +/- 2 C1 h at 23 +/- 2 C3 h at - 30 +/- 1 C1 h at 23 +/- 2 C16 h at 38 +/- 2 C and
12、 98 +/- 2 % relative humidity3) After 24 hours at room temperature test the specimens accordingto FL TM EU-BV 55-2, Method A, clause 6 - 10, load “A“, at roomtemperature.3.11 PAINTABILITYNo chip ping, no loss of adhesion or blistering. Discoloration andstaining permitted.Test Method:1) Apply central
13、ly to 100 x 300 m m test panel according to clause 3,note, 80 x 280 mm sections of material under test and proceed asfollows:a) Cover test assembly with production spray primer in a dryfilm thickness of about 10 micrometre.b) Aft er 10 minutes conditioning at room temperature cure 10minutes at 165 C
14、 metal temperature.c) Af ter cooling to room temperature cover test specimen withlight co lored production enamel in a dry film thickness ofapprox. 10 micrometre.d) Condition 10 minutes at room temperature and cure 10 minutesat 130 C metal temperature.ENGINEERING MATERIAL SPECIFICATIONESK-M5G38-AL E
15、SK-M5G38-BWP 3948-b Page 4 of 83.12 PALLETISINGThe material shall separate easily from each other without tearing.Test Method:1) Cut from material under test 5 specimens 100 x 100 mm anddetermine weight and thickness per specimen.2) Ply up and cover with an aluminum plate of same size.3) Load with a
16、 dead weight equalling a plied up height of 600 mmminus the weight of 5 specimens and cover plate.4) Ex pose test assembly in a mechanical convected air dry ovenmaint ained at a temperature of 35 +/- 2 C for 2 weeks. Cool toroom tem perature, remove weight and cover plate and examine asdescribed abo
17、ve.3.13 DAMPING FACTOR, min eta = 0.11 (FLTM EU-BV 60-1, material thickness max 1.9 mm,heat fuse according to FLTM EU-BV 50-5, Table 2, mincuring cycle. Test after 24 h conditioning at 23 +/- 2 C)3.14 ADHESIONMaterial must not be removed from panel without being destroyed.Test Method:1) Speci men pr
18、eparation according to 3.6, test method, section 1and 2.2) After 2 h ours storage at room temperature make two cuts throughthe test material along the wh ole length and try to peel off testmaterial starting at the edge.3.15 PENETRATION, max 0.7 mmTest Method:1) Speci men preparation according to 3.6
19、, test method, section 1and 2.2) Af ter 24 hours at room temperature, test penetration with a11.3 mm di a indentor foot at a loading of 400 N/cm2 for30 seconds.ENGINEERING MATERIAL SPECIFICATIONESK-M5G38-AL ESK-M5G38-BWP 3948-b Page 5 of 83.16 FLAMMABILITY3.16.1 ESK-M5G38-A(ISO 3795)Burn Rate, max 2
20、50 mm/minuteL 3.16.2 LESK-M5G38-B(FLTM EU-BN 24-2)Burn Rate, max 100 mm/minuteIn order to comply with Federal Motor Vehicle Safety StandardNo. 302, the materials, portions of compone nts, and compositesshall not burn or transmit a flame across their surface, at arate of more than 100 mm/minute. To d
21、emonstrate compliance,the sample size and method of testing shall be in accordancewith FLTM EU-BN 24-2.3.16.2.1 Performance - Environmental Ageing RequirementAll materials, portions of components, andco mposites defined by this specification that havenot b een treated, modified or reformulated, ande
22、xcee d a maximum burn rate of 75 mm per minute asspecif ied by the Flammability Lot Sampling Plan ofFLTM EU-BN 24-2, must be eval uated for permanency ofthe materials flame retardant properties per SK-M99P 9500-A, Table 1 according to the acceleratedenvi ronmental ageing requirements applicable to t
23、hebasic material category of this particularspecification.Any material, portions of com ponents, and compositesde fined by this specification that have beentreat ed, modified or reformulated to conform toFlamma bility Lot Sampling Plan of FLTM EU-BN 24-2,regard less of maximum burn rate, must be eva
24、luatedfor both permanency of materials flame retardantpr operties and changes in mechanical, chemical andphysical properties per SK-M99P9500-A, Table 1app licable to the basic material category of thisparticular specification.3.17 QUALITYTh e material shall be of uniform quality free from foreign ma
25、terialand properties detrimental to normal production use.ENGINEERING MATERIAL SPECIFICATIONESK-M5G38-AL ESK-M5G38-BWP 3948-b Page 6 of 83.18 STATISTICAL PROCESSSuppliers must conform to the requirements of Ford Quality SystemStandard Q-101. A mutually acceptable Control Plan as describedthe rein is
26、 required for material/source approval. Appropriatestatistical tools must be used to analyze p rocess/product data so thatvariation in the final product is continuously reduced.3.19 SUPPLIERS RESPONSIBILITYAll materials supplied to this specificatio n must be equivalent in allcharacteristics to the
27、material upon which approval was originallygranted.Prior to making any change in the properties, composition,construction, color, processing or labeling of the material originallyapproved under thi s specification, whether or not such changes affectthe materials ability to meet the specification req
28、uirements, theSupplier shall notify Purchasing, Toxicology and the affectedMaterials Engineer ing activity of the proposed changes and obtain thewritt en approval of the Materials Engineering activity. Test data,test sampl es and a new code identification are to be submitted withthe request.Substanc
29、e restrictions imposed by law, regulations or Ford, apply tothe ma terials addressed by this document. The restrictions aredefined in Engineering Materials Specification WSS-M99P9999-A1.4. APPROVAL OF MATERIALSMat erials defined by this specification must have prior approval by theresponsible Materi
30、als Engi neering activity. Suppliers desiring approval ofthe ir materials shall first obtain an expression of interest from theaff ected Purchasing, Design and Materials Engineering activity. Uponreq uest, the Supplier shall submit to the affected Materials Engineeringactivit y a completed copy of t
31、heir laboratory test reports, signed by aqualified and authorized r epresentative of the test facility, demonstratingfull c ompliance with all the requirements of this specification (testresults, not nominal value s), the material designation and code number, andtes t specimens for Ford evaluation.
32、Fords engineering approval of amaterial wi ll be based on its performance to this specification and on anassessment of suitability for intended processes and/or applications. Uponapp roval, the material will be added to the Engineering Material ApprovedSource List.ENGINEERING MATERIAL SPECIFICATIONE
33、SK-M5G38-AL ESK-M5G38-BWP 3948-b Page 7 of 85. GENERAL INFORMATIONThe information given belo w is provided for clarification and assistance inmeeting the requirements of this specification.5.1 STORAGE STABILITY(From date of receipt at Ford Motor Company)Minimum 6 months when stored between 5 C and 28 C.5.2 HEIGHT IN STORAGEAs recommended by supplier.ENGINEERING MATERIAL SPECIFICATIONESK-M5G38-AL ESK-M5G38-BWP 3948-b Page 8 of 8
