FORD WSK-M4G328-A1-2014 SEALANT PRE-APPLIED THREAD NON-CURING TO BE USED WITH FORD WSS-M99P1111-A .pdf

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1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Action Changes1990 08 01 EP00E0103158000 Released F.O. Swanson J. SchultWP 3948-a Page 1 of 4 SEALANT, PRE-APPLIED THREAD NON-CURING WSK-M4G328-A1/A61. SCOPEThese products are highly filled water based acrylic latex emulsions.

2、 Whendried, they become resilient, tightly adhered, non-curing sealing films fortapered or straight threads. PTFE (polytetrafluoroethylene) is suspendedin the film for thread lubrication and torque/tension control. The productis applied to the fastener in a band completely surrounding the desiredthr

3、eads. Drying of the film must immediately follow the coatingapplication, in 65 - 70 C ovens with high air flow, to ensure desired filmintegrity.2. APPLICATIONThese specifications were originally released for materials used to sealthreaded parts. These materials are used in engine applications to pre

4、ventleakage due to vibration.A1 A low viscosity pre-applied acrylic latex thread sealant for flowcoating, cures into a soft film for low on-torque resistance,lubricant for controlled torque/tension, 177 C continuous usetemperature.A2 A low viscosity pre-applied acrylic latex thread sealant designed

5、forflow coating onto fastener and fitting threads, cures into a hardtough film, high lubricity for controlled torque/tension, 150 Ccontinuous use temperature.A3 A low viscosity pre-applied acrylic latex thread sealant designed forflow coating onto fastener and fitting threads, cures into a hardtough

6、 film, high lubricity for controlled torque/tension, 150 Ccontinuous use temperature.A4 A high viscosity pre-applied acrylic latex thread sealant for threadfilling and larger gap sealing, similar to A2 in all other respects.A5 A high viscosity pre-applied acrylic latex thread sealant for threadfilli

7、ng and larger gap sealing, similar to A3 in all other respects.A6 A high viscosity pre-applied acrylic latex thread sealant for threadfilling and larger gap sealing, similar to A2 in all other respects.NOT TO BE USED FOR NEW DESIGN2014 N Status No replacement named L. Sinclair, NAENGINEERING MATERIA

8、L SPECIFICATIONWSK-M4G328-A1/A6WP 3948-b Page 2 of 4 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

9、 must be used to analyze 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 sp

10、ectra and thermograms established 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.3.3 COND

11、ITIONING AND TEST CONDITIONSAll 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.3.4 VISCOSITY(ASTM D 1084, M

12、ethod B at 23 +3/- 2 C)Type Brookfield Model Spindle RPM mPa.sWSK-M4G328-A1 RVF 4 20 400 - 1 200A2 RVF 4 20 4 000 - 9 000A3 RVF 4 20 4 000 - 7 000A4 RVT/RVF 6 20 20 000 - 35 000A5 RVF 6 10 20 000 - 40 000A6 RVF 6 10 30 000 - 50 000ENGINEERING MATERIAL SPECIFICATIONWSK-M4G328-A1/A6WP 3948-b Page 3 of

13、 4 3.5 SEALABILITY(FLTM BV 127-01)WSK-M4G328-Initial After 4thType Application Re-assemblyA1 - A6 No leakage No leakage3.6 QualityThe material shall be a smooth homogeneous mixtu re, free from foreignmaterials and properties detrimental to normal production use.3.7 PROCESSThe coatings shall be appli

14、ed as recommended by the approved supplierbased on process and materials originally approved by the MaterialsEngineering Department. Process sheet to be on file at the approvingmaterials activity and at the adhesive applicator.3.8 ADDITIONAL REQUIREMENTSSpecific requirements for material and/or manu

15、fa ctured parts shall bespecified on the Engineering drawing, Engineerin g parts specificationand/or performance specifications. All critical areas with respect tothese properties shall be clearly designated on the engineeringdrawing.3.9 SUPPLIERS RESPONSIBILITYAll materials supplied to this specifi

16、cation 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 this specification, whether or not suchchange s

17、 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 Engineeringactivity. Test data, t est samples and a new code i

18、dentification 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 Material Specification WS S-M99P9999-A1, unlessa different suffix (e.g., A2 or A3) is specified o

19、n the engineeringdocument for the application.ENGINEERING MATERIAL SPECIFICATIONWSK-M4G328-A1/A6WP 3948-b Page 4 of 4 4. APPROVAL OF MATERIALSMat erials defined by this specification must have prior approval by theresponsible Materials Engineeri ng activity. Suppliers desiring approval ofthe ir mate

20、rials 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 its own laboratory rep ort to the specification (test results, notnominal values), the mate

21、rial designation and code number, and testspecim ens for Ford evaluation. Upon approval, the material will be addedto the Engineering Material Approved Source List.5. GENERAL INFORMATIONThe information below is provided for clarification and assistance inmeeting the requirements of the specification.5.1 COLORTypeWSK-M4G328-A1 WhiteA2 WhiteA3 Burnt orangeA4 BlueA5 Burnt orangeA6 White5.2 FORD ENGINEERING MATERIAL SPECIFICATIONS - DOCUMENT CROSS-INDEXWorldwide NAAO EAOWSK-M4G328-A1 ESE-M4G208-A2 -A2 ESE-M4G208-A1 -A3 EST-M4G208-B2 -A4 - ESK-M4G263-A2A5 EST-M4G208-B1 -A6 - -

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