1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Release No. Release/Revision1992-07-01 EP00E10176272000 Released C. DittebrandtWP 3948-a Page 1 of 7 DEADENER SHEETING, HIGH TEMPERATURE FUSIBLE, WSK-M99G156-A11.5 MM NOMINAL THICKNESSDEADENER SHEETING, HIGH TEMPERATURE FUSIBL
2、E, WSK-M99G156-A22.0 MM NOMINAL THICKNESSDEADENER SHEETING, HIGH TEMPERATURE FUSIBLE, WSK-M99G156-A32.5 MM NOMINAL THICKNESSDEADENER SHEETING, HIGH TEMPERATURE FUSIBLE, WSK-M99G156-A44.0 MM NOMINAL THICKNESS1. SCOPEThe materials defined by these specifications are deadener sheetings basedon bi tumen
3、 synthetic resins and mineral fillers with an anti-blockingsurface finish on one side.2. APPLICATIONThese specifications were released originally for materials used for heatbondin g to electrocoated floor panels in the passenger compartment duringprimer oven exposure.WSK-M99G156-A3/A4 are low densi
4、ty deadener sheetings.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 analyze proces
5、s/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 establish
6、ed 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 SPECIFICATIONWSK-M
7、99G156-A1/A2/A3/A4WP 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 specified.
8、3.4 MATERIAL PROPERTIES3.4.1 CompositionBitumen, synthetic resins and mineral fillers, with anantiblocking surface on one side.3.4.2 Solids, min 99 %(FLTM BV 150-10)3.4.3 Ash, max 85 %(FLTM BV 150-10)3.4.4 Thickness, mm(ISO 4593)WSK-M99G156-A1 1.3 - 1.7 mmWSK-M99G156-A2 1.8 - 2.2 mmWSK-M99G156-A3 2.
9、3 - 2.7 mmWSK-M99G156-A4 3.8 - 4.2 mm3.4.5 Density(ISO R 1183, Method A) WSK-M99G156-A1/A2 1.60 - 2.00 g/cm3WSK-M99G156-A3/A4 1.20 - 1.60 g/cm33.4.6 ColorBlack or as specified on Engineering Drawing3.5 PREPARATION OF TEST SPECIMENSSubstrateCurrent production electrocoated steel panelsa) minimum heat
10、 curing 30 minutes at 135 Cb) maximum heat curing 60 minutes at 204 CUse separate test assemblies for each curing cycle.After curing condition to 23 +/- 2 C.3.6 PHYSICAL PROPERTIES3.6.1 Fogging(FLTM BO 116-03)Fog Number, min 60ENGINEERING MATERIAL SPECIFICATIONWSK-M99G156-A1/A2/A3/A4WP 3948-b Page 3
11、 of 7 Mater ial evaluated after bonding to aluminium foil in aconvection oven at 135 +/- 2 C for 30 min.3.6.2 Odor3.6.2.1 OriginalShall be free from objectionable or irritatingodors, both in the “as received“ condition and atapplication temperatures.3.6.2.2 SAE J1351, max Rating 23.6.3 Flammability,
12、 max 100 mm/minute(ISO 3795)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 tomeasurment condition 90 min at 23 +/- 2 C.Calculate loss factor according to given test method.3.6.5 PaintabilityNo chi
13、pping, 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.Apply primer and
14、standard white enamel in a dry filmthickness of about 25-30 micrometre. Do not sand primer.3.6.6 PalletisingTh e material shall separate easily from each other withouttearing.Test Method:- Cut 5 specimens of 100 x 100 mm from test material anddetermine weight and thickness per specimen.ENGINEERING M
15、ATERIAL SPECIFICATIONWSK-M99G156-A1/A2/A3/A4WP 3948-b Page 4 of 7 - Ply up and cover with an aluminium plate of t he same size.- Load with a dead weight equalling a plied up height of 600mm minus the weight of 5 specimens and cover.- Expose test assembly in a convection oven mai ntained at 35+/- 2 C
16、 for two weeks. Cool to 23 +/- 2 C, remove weightand cover plate and examine as described above.3.6.7 Penetration 0.7 mmTest Method:After 2 h storage at 23 +/- 2 C test penetration with a 11.3mm diameter indentor foot at a loading of 4 MPa for 30 s.3.7 RESISTANCE PROPERTIES3.7.1 Fusing BehaviourAfte
17、r heat curing the material shall fit tightly to the panelwithout evidence of blisters or cracks. The mate rial must notbe peeled off from the substrate without being destroyed.Sagging through large cut outs not more than 15 mm.Test Method:- Apply the test material to test panels according toFig. 1.
18、Cure panels in a horizontal position according toclause 3.5. Distance from cut out to support min 30 mm.- Examine after cooling down 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 adhesion.Age dur
19、ing three cycles according FLTM BQ 104-07 , Proc. 4 andcondition test specimens 24 h at 23 +/- 2 C before testing.3.7.3 Cold Adhesion after Heat Aging(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.3.8 SUPPLIERS RESPONSIBILITYAll mat
20、erials supplied to this specification must be equivalent inal l characteristics to the material upon which approval wasoriginally granted.ENGINEERING MATERIAL SPECIFICATIONWSK-M99G156-A1/A2/A3/A4WP 3948-b Page 5 of 7 Pri or to making any change in the properties, composition,constr uction, color, pr
21、ocessing 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 proposed changesa
22、nd obtain the 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
23、 Engineering Material Specification WS S-M99P9999-A1, unlessa different suffix (e.g., A2 or A3) is specified on the engineeringdocument for the application.4. APPROVAL OF MATERIALSMat erials defined by this specification must have prior approval by theresponsible Materials Engineeri ng activity. Sup
24、pliers desiring approval ofthe ir materials shall first obtain an expression of interest from theaffec ted Purchasing, Design and Materials Engineering activity. Uponrequest, the Supplier shall submit to the affected Materials Engineeringactivity a completed copy of their laboratory test reports, si
25、gned by aqualified and authorized representative of the test faci lity, demonstratingful l compliance with all the requirements of this specification (testresults, not nominal values), the material designation a nd code number, andtes t specimens for Ford evaluation. Fords engineering approval of am
26、ateri 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 provided for
27、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 SPECIFICATION
28、WSK-M99G156-A1/A2/A3/A4WP 3948-b Page 6 of 7 Table 1: DAMPING FACTOR at 200 Hz, min (ASTM E 756) A1 A2 A3 A4-20 C 0.02 0.03 0.03 0.040 C 0.08 0.1 0.13 0.1520 C 0.08 0.11 0.15 0.2340 C 0.04 0.05 0.09 0.1660 C 0.015 0.02 0.03 0.05ENGINEERING MATERIAL SPECIFICATIONWSK-M99G156-A1/A2/A3/A4WP 3948-b Page 7 of 7 FUSING BEHAVIOUR 3.7.1
