1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Release No. Released1992-07-01 EP00E10176272000 Released C. DittebrandtWP 3948-a Page 1 of 7 DEADENER SHEETING, HIGH TEMPERATURE FUSIBLE, WSK-M5G38-C11.5 MM NOMINAL THICKNESSDEADENER SHEETING, HIGH TEMPERATURE FUSIBLE, WSK-M5G
2、38-C22.5 MM NOMINAL THICKNESSDEADENER SHEETING, HIGH TEMPERATURE FUSIBLE, WSK-M5G38-C33.6 MM NOMINAL THICKNESSDEADENER SHEETING, HIGH TEMPERATURE FUSIBLE, WSK-M5G38-C44.0 MM NOMINAL THICKNESS1. SCOPEThe materials defined by these specifications are deaden er sheetings of lowdensity, based on bitumen
3、 and m ineral filler with an anti-blocking surfacefinish on one side.2. APPLICATIONThese specifications were released originally for materi al for heat bondingto electrocoated vertical floor panels (e.g.cardan tunne l) in the passengerco mpartment during spray primer oven exposure. WSK-M5G38-C2/C3/C
4、4 are ofextremely low density.3. REQUIREMENTS3.1 STATISTICAL PROCESSSupplie rs must conform to the requirements of Ford Quality SystemStand ard Q-101. A mutually acceptable Control Plan as describedtherein is required for material/source approval. Appropriatestatist ical tools must be used to analyz
5、e process/product data sothat variation in the final product is continuously reduced.3.2 INFRARED SPECTROPHOTOMETRY AND/OR THERMAL ANALYSISFord Motor Company, at its option, may conduct infrared and/ortherma l analysis of material/parts supplied to this specification.The IR spectra and thermograms e
6、stablished for i nitial approval shallconst itute the reference standard and shall be kept on file at thedesignated material laboratory. All samples sha ll produce IR spectraand thermograms that correspond to the reference standard when testedunder the same conditions.ENGINEERING MATERIAL SPECIFICAT
7、IONWSK-M5G38-C1/C2/C3/C4WP 3948-b Page 2 of 7 3.3 CONDITIONINGAll test values indicated herein are based on ma terial conditioned ina control led atmosphere of 23 +/- 2 C and 50 +/- 5 % relativehumidity for not less than 24 h prior to testing and tested under thesame conditions unless otherwise spec
8、ified.3.4 MATERIAL PROPERTIES3.4.1 CompositionBitumen and mineral fillers with an anti blocking surface.3.4.2 Solids, min 99 %(FLTM BV 150-10)3.4.3 Ash, max 85 % (FLTM BV 150-10)3.4.4 Thickness(ISO 4593)WSK-M5G38-C1 1.3 - 1.7 mmWSK-M5G38-C2 2.3 - 2.7 mmWSK-M5G38-C3 3.4 - 3.8 mmWSK-M5G38-C4 3.8 - 4.2
9、 mm3.4.5 Density(ISO R 1183, Method A)WSK-M5G38-C1 1.60 - 2.00 g/cm3WSK-M5G38-C2/C3/C4 1.20 - 1.60 g/cm33.4.6 ColorBlack or as specified on the engineering drawing3.5 PREPARATION OF TEST SPECIMENSSubstrateCurrent production electrocoated steel panela) minimum heat curing 30 minutes at 135 Cb) maximu
10、m heat curing 60 minutes at 204 CAfter curing condition to 23 +/- 2 C.Use separate test assemblies for each curing cycle.ENGINEERING MATERIAL SPECIFICATIONWSK-M5G38-C1/C2/C3/C4WP 3948-b Page 3 of 7 3.6 PHYSICAL PROPERTIES3.6.1 Fogging(FLTM BO 116-03)Fog Number, min 60Mater ial evaluated after bondin
11、g to aluminium foil in aconvection oven at 135 +/- 2 C for 30 min.3.6.2 Formation of Odor(SAE J1351)3.6.2.1 OriginalShall be free from objectionable or irritatingodors, both in the “as received“ condition andimmediately after above maximum heat cure.3.6.2.2 SAE J1351, max Rating 23.6.3 Flammability,
12、 max 100 mm/minute(ISO 3795/SAE J369)3.6.4 Loss Factor, min See Table 1(ASTM E 756)Panel size: 240 x 10 x 0.8 mmMaterial size: 216 x 10 mmCure test panels with minimum curing cycle. Prior tomeasurement condition 90 minutes at 23 +/- 2 C.Calculate loss factor according to given test method.3.6.5 Pain
13、tabilityNo chipping, blistering , no loss of adhesion. Discolorationor staining of the enamel permitted.Test Method:Prior to painting press a 80 x 280 mm section of the materialcentrally to a 100 x 300 mm electrocoated panel and proceedas indicated in the relevant primer and paint sp ecifications.Ap
14、ply primer and standard white enamel in a dry filmthickness of about 10 - 15 micrometre each. Do not sandprimer.ENGINEERING MATERIAL SPECIFICATIONWSK-M5G38-C1/C2/C3/C4WP 3948-b Page 4 of 7 3.6.6 PalletisingTh e material shall separate easily from each other withouttearing.Test Method:- Cut 5 specime
15、ns of 100 x 100 mm from test material anddetermine weight and thickness per specimen.- Ply up and cover with an alumini um plate of the same size.- Load with a dead weight equallin g a plied up height of 600mm minus the weight of 5 specimens and cover.- Expose test assembly in a convec tion oven mai
16、ntained at 35+/- 2 C for two weeks. Cool to 23 +/- 2 C, remove weightand cover plate and examine as described above.3.7 RESISTANCE PROPERTIES3.7.1 Adhesion After CuringNo s agging of test material, no blisters or cracks aftercurin g. The material must not be peeled off from thesubstrate without bein
17、g destroyed.Test Method:Apply test material to test panels according to Fig.1 andcure test assemblies according to clause 3.5.Examine after cooling to 23 +/- 2 C.3.7.2 Adhesion After Environmental Cycling(FLTM BV 151-02, Method B, Load “A“ at 23 +/- 2 C)No chipping, shrinkage, blistering or loss of
18、adhesion.Age test specimens during three cycles according FLTM BQ104-0 7, Proc. 4 and condition 24 h at 23 +/- 2 C beforetesting.3.7.3 Cold Adhesion After Heat Ageing(FLTM BV 151-02, Method B, load “A“ at -25 +/- 2 C)Heat ageing 14 d at 100 +/- 2 C)No chipping or loss of adhesion.ENGINEERING MATERIA
19、L SPECIFICATIONWSK-M5G38-C1/C2/C3/C4WP 3948-b Page 5 of 7 3.20 SUPPLIERS RESPONSIBILITYAll materials supplied to this specification must be equivalent inal l characteristics to the material upon which approval wasoriginally granted.Pri or to making any change in the properties, composition,constr uc
20、tion, color, processing or labeling 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 pr
21、oposed changesand obtain the written approval of the Materials Engineeringactivity. Test data, test 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
22、 aredefined in Engineering Material Specification W SS-M99P9999-A1, unlessa different suffix (e.g., A2 or A3) is specified on the engineeringdocument for the application.4. APPROVAL OF MATERIALSMate rials defined by this specification must have prior approval by therespo nsible Materials Engineering
23、 activity. Suppliers desiring approvalof their materials shall first obtain an expression of interest from theaffect ed Purchasing, Design and Materials Engineering activity. Uponrequest, the Supplier shall submit to the affected Materials Engineeringactivity a completed copy of their laboratory tes
24、t reports, signed by aqualified and authorized representative of the test faci lity, demonstratingfull compliance with all the requirements of this specification (testresults, not nominal values), the material designation a nd code number, andtest specimens for Ford evaluation. Fords engineering app
25、roval of amateri al will be based on its performance to this specification and on anassessment of suitability for i ntended processes and/or applications. Uponapprov al, the material will be added to the Engineering Material ApprovedSource List.5. GENERAL INFORMATIONThe information given below is pr
26、ovided for assistance and clarificationand does not represent requirement(s) to this specification.5.1 STORAGE STABILITY, min 3 months(From date of receipt at Ford)When stored between 18 - 35 C. Avoid exposure to direct sun light.5.2 HEIGHT IN STORAGEAs recommended by supplier.ENGINEERING MATERIAL S
27、PECIFICATIONWSK-M5G38-C1/C2/C3/C4WP 3948-b Page 6 of 7 Table 1: DAMPING FACTOR at 200 Hz, min (ASTM E 756) C1 C2 C3 C4-20 C 0.02 0.02 0.03 0.040 C 0.08 0.10 0.13 0.1520 C 0.08 0.15 0.20 0.2340 C 0.04 0.09 0.14 0.1660 C 0.015 0.03 0.04 0.05ENGINEERING MATERIAL SPECIFICATIONWSK-M5G38-C1/C2/C3/C4WP 3948-b Page 7 of 7 ATTACHMENT ADHESION AFTER CURING 3.7.1
