1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Release No. Released1995 02 01 Revised and Retyped1986 06 20 SM/EQ5608TP ReleasedWP 3948-a Page 1 of 3ADHESIVE, PRIMER, ACRYLATE BASED, FOR ADHESIVE TAPE ESK-M2G264-A21. SCOPEThe material defined by this specification is a sol
2、vent release, acrylatebased adhesion primer.2. APPLICATIONThis material was released originally for material to prime cleanedpolycarbonate surfaces before bonding with double sided pressure sensitivetapes ESK-M3G136-A5/-A6.3. REQUIREMENTS3.1 STATISTICAL PROCESSSuppliers must conform to the requireme
3、nts of Ford Quality SystemStandard Q-101. A mutually acceptable Control Plan as describedtherein is required for material/source approval. Appropriatestatistical tools must be used to analyze process/product data sothat variation in the final product is continuously reduced.3.2 INFRARED SPECTROPHOTO
4、METRY AND/OR THERMAL ANALYSISFord Motor Company, at its option, may conduct infrared and/orthermal analysis of material/parts supplied to this specification.The IR spectra and thermograms established for initial approval shallconstitute the reference standard and shall be kept on file at thedesignat
5、ed material laboratory. All samples shall produce IR spectraand thermograms that correspond to the reference standard when testedunder the same conditions.3.3 CONDITIONING AND TEST CONDITIONSAll test values indicated herein are based on material conditioned ina controlled atmosphere of 23 +/- 2 C an
6、d 50 +/- 5 % relativehumitity for not less than 24 h prior to testing and tested under thesame conditions unless otherwise specified.3.4 COLOR Yellow, transparent3.5 DENSITY at 20 C 0.85 +/- 0.10 g/cm3(ASTM D 1475)NOT TO BE USED FOR NEW DESIGN2014 12 08 N Status No replacement named L. Sinclair, NAE
7、NGINEERING MATERIAL SPECIFICATIONESK-M2G264-A2WP 3948-b Page 2 of 33.6 SOLIDS, min 10 %(FLTM EU-BV 50-10)3.7 ASH, max 0.5 %(FLTM EU-BV 50-10)3.8 FLASH POINT Below 21 C(ASTM D 56)3.9 VISCOSITY at 20 C 90 +/- 20 mPa.s(Brookfield LVT, Spindle No. 1,Rotational Frequency 30/minute)3.10 SUPPLIERS RESPONSI
8、BILITYAll 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 uction, color, processing or labeling of the materialorig inally approved under thi
9、s 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 written approval of the Materials Engineeringactivit
10、y. 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 Materials Specification WSS-M99P9999-A1.4. APPROVAL O
11、F 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, Design and Materials Engineering activity. Uponreq
12、uest, 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 requirements of this specification (testresults, not n
13、ominal 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 processes and/or applications. Uponapprov al, the materia
14、l will be added to the Engineering Material ApprovedSource List.ENGINEERING MATERIAL SPECIFICATIONESK-M2G264-A2WP 3948-b Page 3 of 35. GENERAL INFORMATIONThe information given below is provided for clarification and assistancein meeting the requirements of this specification.5.1 DRYING TIME at 23 +/- 2 C15 to 20 minutes after application (in a wet film thickness ofapprox. 0.1 mm) before assembling with adhesive tape.5.2 STORAGE STABILITY(From date of receipt at Ford Motor Company)6 months when stored between 5 C and 28 C.
