1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Release No. Release/Revision1992 12 01 EP00E10176314000 Released W. ScholzWP 3948-a Page 1 of 5 ADHESIVE, POLYURETHANE, TWO COMPONENT, ESK-M2G367-A1WATER BORNE, BASE MATERIALADHESIVE, POLYURETHANE, TWO COMPONENT, ESK-M2G367-A2
2、WATER BORNE, HARDENER1. SCOPEThe materials defined by this specifications are water borne, two componentpolyurethane based adhesives, which can be heat activated up to two hoursafter application and conditioning at 23 +/- 2 C.2. APPLICATIONThese specifications were released originally for materials
3、used to bondfoam backed trim cloth to ABS by heat activating and pressure.3. REQUIREMENTS3.1 STATISTICAL PROCESSSuppliers must conform to the requirements of Ford Quality SystemStandard Q-101. A mutually acceptable Control Plan as describedtherein is required for material/source approval. Appropriat
4、estatistical tools 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/orthermal analysis of material/parts supplied to this specif
5、ication.The IR spectra and thermograms established for initial approval shallconstitute the reference standard and shall be kept on file at thedesignated material laboratory. All samples shall produce IR spectraand thermograms that correspond to the reference standard when testedunder the same condi
6、tions.3.3 CONDITIONING AND TEST CONDITIONSAll test values indicated herein are based on material conditioned ina controlled 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.NOT TO BE USED F
7、OR NEW DESIGN 2015 02 03 N. Status No replacement named L. Sinclair, NAENGINEERING MATERIAL SPECIFICATIONESK-M2G367-A1/A2WP 3948-b Page 2 of 5 3.4 COMPONENT PROPERTIES, A1BASE MATERIAL3.4.1 Colour white or asspecified onEngineering drawing3.4.2 Solids, min 45.0 %(FLTM BV 150-10)3.4.3 Ash, max 0.9 %(
8、FLTM BV 150-10)3.4.4 Density at 23 C 1 .06 +/- 0.05 kg/L(ASTM D 1475)3.4.5 VISCOSITY AT 23 C 15.0 +/- 3.0 Pa s(ASTM D 1824, Brookfield RVT/D,spindle no. 4, 5 rpm)Note: All samples shall produce also flow diagr ams includingviscoelasticity established by using rotational testequipm ent as Physica, Ha
9、ake, Eprecht, Rheometrix etc. toidentify characteristic od material.3.5 COMPONENT PROPERTIES, A2HARDENER3.5.1 Colour blue or as specifiedon Engineeringdrawing3.5.2 Solids, min 75.0 %(FLTM BV 150-10)3.5.3 Ash, max 0.3 %(FLTM BV 150-10)3.5.4 Density at 23 C 1 .18 +/- 0.05 kg/L(ASTM D 1475)3.5.5 VISCOS
10、ITY AT 23 C 850 +/- 100 mPa s(ASTM D 1824, Brookfield RVT/D,spindle no. 2, 10 rpm)Note : All samples shall produce flow diagrams includingviscoelasticity established by using rotational testequipm ent as Physica, Haake, Eprecht, Rheometrix etc. toidentify characteristic od material.3.6 MIXING RATIO
11、A1 : A2 = 100 : 5(Part by weight)3.7 POT LIFE AT 23 C, max 8 hours(Containers of production quantity)ENGINEERING MATERIAL SPECIFICATIONESK-M2G367-A1/A2WP 3948-b Page 3 of 5 3.8 QUALITYThe material shall be a smooth homogeneous mixtu re, free from foreignmaterials and properties detrimental to normal
12、 production use. Themat erial must be capable of regaining its physical characteristicsand performance after recirculation or agitation prior to use.3.9 STORAGE STABILITY(From date of receipt at Ford Motor Company)2 months when stored be tween 5 C and 32 C in unopened cartridges outof direct sunligh
13、t.3.10 CURED ADHESIVE PHYSICAL PROPERTIESPeel Adhesion of Mixed Components(FLTM BU 151-01, Method B1, Fig. 6)3.10.1 Preparation of Test SpecimenAppl y adhesive on ABS panels (acc. to ESK-M4D456-A) at aco ating weight of 100 +/- 20 g/m2 and on foam side of trimcloth (acc. to ESD-M5H13-A/B) at a coati
14、ng weight of 35 +/-5 g/cm2. Condition clo th specimens at an air temperature of23 +/- 2 C for 30 minutes and ABS specimens at an airtemperature of 60 +/- 2 C for 15 minutes.Assemble the ABS parts with cloth specimens and firmly presstogether with 0.3 to 0.5 MPa.3.10.1.1 Initial Peel Adhesion, min 3.
15、0 N/cm *)(Measured 10 minutes after assembling)3.10.1.2 Original Peel Adhesion, min 3.5 N/cm *)(Measured 72 h after assembling)3.10.1.3 Measured at 90 +/- 2 C, min 1.5 N/cm *)(Conditioning min 30 minutes)3.10.1.4 Measured at - 20 C +/- 2 C, min No loss based on(Conditioning min 30 minutes) measured
16、valueto 3.10.1.23.10.2 Peel Adhesion After Ageing3.10.2.1 Heat Ageing, max 30 % loss based(14 d at 70 +/- 2 C and on measured1 h at 23 +/- 2 C) original value*)Cohesion failure preferred but not mandatory.ENGINEERING MATERIAL SPECIFICATIONESK-M2G367-A1/A2WP 3948-b Page 4 of 5 3.10.2.2 Humidity Agein
17、g, max 50 % loss based(14 d at 38 +/- 2 C and on measured98 +/- 2 % RH, 1 h at original value23 +/- 2 C) *)*) or brake of substrate3.10.2.3 Environmental Cycling No loss based onmeasured valueto 3.10.1.2Specimens are exposed to 8 cycles of the followingsequence:16 h at 38 +/- 2 C and 98 +/- 2 C RH,4
18、 h at - 40 +/- 2 C4 h at 90 +/- 2 CAfter 4 cycles specimens to be stored at 23 +/- 2C for 72 h. Repeat 4 cycles ageing to end and thenstored for 1 h at 23 +/- 2 C before testing.3.10.2.4 Repair Oven Stability No loss based on(30 minutes at 120 +/- 2 C, measured value1 h at 23 +/- 2 C) to 3.10.1.23.1
19、1 STAINING(FLTM BO 115-01)Prepare specimen accord ing to 3.10.1. Expose specimen together witha non b onded part of cloth for 96 h to the Fluorescent SunlampCabinet. Staining shall not be more severe than on the untreatedcloth.3.12 SUPPLIERS RESPONSIBILITYAll material supplied to this specification
20、must be equivalent in allcha racteristics to the material upon which approval was originallygranted.Pr ior to making any changes in the properties, composition,co nstruction, color, processing or labelling of the materialorig inally approved under this specification, whether or not suchchange s affe
21、ct 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 identi
22、fication 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 on the
23、engineeringdocument for the application.ENGINEERING MATERIAL SPECIFICATIONESK-M2G367-A1/A2WP 3948-b Page 5 of 5 4. APPROVAL OF MATERIALSMat erials defined by this specification must have prior approval by theresp onsible Materials Engineering activity. Suppliers desiring approvalof thei r materials
24、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 material d
25、esignation 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 given below is provided for assistance and clarificationand does not represent requirement(s) to this sp
26、ecification.5.1 HEAT ACTIVATION TIMEHeat activation of the adhesive is possible up to 2 h afterapplication.Optimum activation temperature (temperature of adhesive) is 60 - 70C.5.2 REPAIR OVEN RESISTANCEBonded parts should not pass the repair oven before the end of (5) hstorage after bonding.5.3 COATING WEIGHT, wet, g/m2, ABS 100 +/- 20Trim cloth 35 +/- 5
