1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions Rev. 032017 04 19 Revised See summary of Revisions W. Janitschke, EU 2011 01 04 Revised See summary of Revisions W. Janitschke, EU 2000 08 17 Activated M. Black Controlled document at www.MATS Copyright 2017, Ford Global Technologies, LLC Page
2、 1 of 8 ADHESIVE, MOISTURE CURING URETHANE, ONE COMPONENT, WSS-M2G316-B5 PRIMERLESS CLEARCOAT PAINT, STANDARD FIX, PUMPABLE, WARM APPLIED 1. SCOPE The material defined by these specifications is a one component moisture curing urethane adhesive with a standard fix behavior, which is primerless to cl
3、earcoat paint chemistries. Application Temperature is 32C to 45C. 2. APPLICATION These specifications were released originally for material used in conjunction with a one or two stage glass priming operation (primers identified per para 4) to bond glass windshields, glass rear windows and quarter wi
4、ndows to painted metal surfaces. This material will also bond primerless to e-coated surfaces that are contaminate free and can also be used in conjunction with metal flange primers. 2.1 MANUFACTURING PROCESS RECOMMENDATION These adhesives are moisture sensitive and require special handling for manu
5、al and automated process. Approved suppliers are responsible for maintaining the accuracy and relevancy of these process parameters (in their Process Standard). Approved suppliers must submit any changes to these process parameters in a timely manner (within 30 days) for review and approval by Mater
6、ials Engineering, Vehicle Operations, and Product Development Engineer. 3. REQUIREMENTS 3.1 APPROVED SOURCES This specification requires the use of approved sources. Only the sources identified on the Ford Approved Source List (ASL) can be used when this specification is listed on the drawing, CAD f
7、ile, or other documents. The list of approved sources is located within Ford at or available externally through a Ford Materials Engineer. 3.2 UNCURED ADHESIVE PROPERTIES 3.2.1. VISCOSITY at 23 C FLTM BV 103-01, 4 bar line pressure, nozzle 4 mm ID, conditioning time up to measurement 30 Min at test
8、 Temperature 3.2.1.1 As received 9 30 g/minute 3.2.1.2 After Aging 10 30 g/minute (336 h at 30 +/- 2 C) ENGINEERING MATERIAL SPECIFICATION WSS-M2G316-B5Copyright 2017, Ford Global Technologies, LLC Page 2 of 9 Final approval of a specific materials viscosity for production shipment shall be made by
9、the affected manufacturing activity. In all cases the materials viscosity has to be in the specification limits. The material shall meet all requirements of this specification. 3.2.2. Rheology (SAE J1524, cone and plate rotational rheometer with 20 mm diameter parallel plates, 1000 micron gap, measu
10、re mode CR (control rate) table, steady stay, up; control rate: 0.0375 s-1 2.0 s-1; Temperature equilibrium time: 300 s (use of cover is required); delay time: 4s; integration time: 2s; measure time: 120s; data points: 20; evaluate material at a shear rate of 0.2s-1,report material batch/lot number,
11、 identify rheometer make and model, for each test condition report viscosity and submit plots for viscosity vs shear rate. 3.2.2.1 Initial (as received) Test at 23 +/- 1 C Test at application temperature +/- 2 C Test over range 10 to 50 C at increments of 10 C 3.2.2.2 Aged (Age then test at 23 C and
12、 application temperature) 7 days at 40 +/- 1 C 90 days at 32 +/- 1 C The rheology variation for any one supplier shall be +/- 20%, based on the recorded rheology of the original approved production sample. The flow curves established for initial approval shall constitute the reference standard and s
13、hall be kept on file at the designated material laboratory. All samples shall produce flow curves that correspond to the reference. All samples shall produce flow diagrams including viscoelasticity established by rotational test equipment to identify characteristic of material. Final approval of mat
14、erial rheology for production shipments shall be made by the affected manufacturing activity. In all cases, the rheology shall be within the limits as identified on the material control plan. 3.2.3 Solids 98% min (ASTM D2834, except heat for 3 h at 100 +/- 3 C in a mechanical convection oven or FLTM
15、 BV 150-10) 3.2.4 Ash, based on solids weight 21% max (ASTM D482, or FLTM BV 150-10) 3.2.5 Weight per Volume (ASTM D816) The weight tolerance for any one supplier shall be +/- 0.02 kg/L based on the weight of the original approved production sample. Reference paragraph 4.3. ENGINEERING MATERIAL SPEC
16、IFICATION WSS-M2G316-B5Copyright 2017, Ford Global Technologies, LLC Page 3 of 9 3.2.6 Sag 4 mm max Test Method: . Apply a 76 mm long right triangular shaped bead of material 6 mm wide at the base and 15 mm high on a glass or steel panel. . Permit the panel to air dry for 30 minutes at R.T. in a pla
17、ne 60 angle from the horizontal. Measure the sag. 3.2.7 Sensitivity to Alcohol CAUTION: Slight traces of alcohol will inhibit the cure of this adhesive. The use of alcohol or alcohol containing solvents is prohibited for cleanup or other uses. 3.2.8 Storage Stability (From date of receipt at Ford Mo
18、tor Company) Shall be stored at ambient room temperature below 35 C, away from all sources of heat, such as ovens, direct sunlight, etc. Shall not be stored outside. Under these storage conditions, the max shelf life to the material, from date of shipment from the supplier, shall be 4 months stored
19、in close containers. The supplier must label each container to indicate the expiration date of the material, and production usage beyond the expiration date is not permitted. When stored at temperatures below 23 C, it must be conditioned at R.T. for 72 h prior to use. 3.2.9 Odor Rating 3 max (FLTM B
20、O 131-03), cured material per 7 days at RT 3.2.10 Fogging Test (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 1 and 16 hrs.) Fog Number 90 min Any fog film present shall be examined for the formation of droplets or coalescence into a clear film. Such conditions, if pres
21、ent, shall be cause for rejection. Cured samples shall be tested. 3.2.11 Quality Shall be a smooth homogeneous mixture free from foreign materials and properties detrimental to normal production operation. 3.2.12 Non-Interchangeability of Materials Only approved materials, all from the same producti
22、on (supplier) source, shall be used in conjunction with one another. ENGINEERING MATERIAL SPECIFICATION WSS-M2G316-B5Copyright 2017, Ford Global Technologies, LLC Page 4 of 9 3.2.13 Slippage 10 mm max Test Method: . Apply 2 parallel beads (approx. 12 g in total; triangle form, 9 mm base and 13 mm he
23、ight) of material under test to a 125 x 75 x 4 mm primed float glass specimen and check for correct weight of applied bead of adhesive. . For application temperature of material under test see Engineering Material specification. . 2 min after application assemble with a 200 x 200 primed glass plate
24、to a bead thickness of 4mm and fix in that position for 10 s. . Remove distance spacers and turn assembly to vertical position and fix one glass plate , add a weight to lower glass specimen to a total weight force of 8 N and measure the slippage after 2 h. . Record all details of measurements and ma
25、terial under test. 3.3 CURE RATE PROPERTIES 3.3.1 Tack Free A 150 mm long and 6 mm diameter bead shall be tack free in 30 minutes. Apply beads of adhesive to a clean float glass panel. Touch the bead gently using a cotton swab for tack free test. Cut the bead using a sharp razor blade for curing tes
26、t. 3.3.2 Sandwich Tensile Pull Strength Versus Cure Time, min Cure Time Sandwich Tensile Pull Strength 1.5 hours 150 kPa 3.0 hours 400 kPa 6.0 hours 1.2 MPa 24.0 hours 2.5 MPa 72.0 hours 2.5 MPa ENGINEERING MATERIAL SPECIFICATION WSS-M2G316-B5Copyright 2017, Ford Global Technologies, LLC Page 5 of 9
27、 Test Method: Sandwich Tensile Pull Strength . Prepare a minimum of 3 sandwich assemblies for each cure time tensile pull strength test as per Figure 1. . Brush apply glass primer or primers onto bottom 6.4 mm of each glass coupon according to the process standard of the primer or primers. Allow pri
28、mer to air dry. Condition primer at R.T. for 5 minutes min check the process standard for the max open time. . Apply a 50 mm long by 6.4 mm diameter bead of adhesive to the primed glass, as illustrated in Figure 1. Within 5 minutes after adhesive application, position the adhesive on the glass coupo
29、n in contact with the painted metal surface (electrocoated panel may also be used). Maintain a 5 mm nominal adhesive bondline thickness. . Condition assemblies same at R.T. for various cure times as indicated above. . Determine the adhesion in a tensile machine having a jaw separation rate of 25 mm/
30、minutes. Report strength value and mode of failure. 3.4 CURED ADHESIVE PROPERTIES 3.4.1 Flexibility (ASTM F 147, except condition at 150 mm long x 25 mm wide x 2.5 mm thick sample for 120 h at R.T., and then 4 h at the following temperatures) . 23 +/- 2 C No crack on 3 mm mandrel . -29 +/- 1 C No cr
31、ack on 25 mm mandrel 3.4.2 Hardness, Durometer “A“ 65 +/- 10 Points (ASTM D 2240) Test Method: Flow enough material into a container (such as an ointment tin) to give a cured section 5 mm thick. Cure for 72 h at R.T. and check the instantaneous hardness. 3.4.3 Tensile Properties (ASTM D 412, except
32、where noted, use Type C die and pull at 50 cm/minute, cure on release paper between 3 mm aluminum panels for 7 days at 23 +/- 2 C and 50 +/- 5% relative humidity or as recommended by the material manufacturer to achieve full cure. Condition at 23 +/- 2 C for 24 h, report at 23 +/- 2 C, use extensome
33、ter or strain gage, test at -40, 23, 50 and 80 +/- 2 C) Tensile at break at -40 C, 23C and 50 C 6.9 MPa min Tensile at break at 80 C 5.0 MPa min ENGINEERING MATERIAL SPECIFICATION WSS-M2G316-B5Copyright 2017, Ford Global Technologies, LLC Page 6 of 9 Elongation at break 200% min Poissons Ratio 0.25
34、0.50 Modulus of elasticity (ASTM D 4065 or equiv. 10 MPa, min Report the value at 23 +/- 2 C, and 1 Hz) (Dynamic Mechanical Analyzer tensile compression mode) Frequency Sweep 0.1 to 100 Hz, fixed stress of 0.5% at 23 +/- 2 C. Temperature Sweep: -40 C to 100C, set heating rate to 2 C/min; fixed strai
35、n of 0.5% at 1 Hz frequency. Actual material properties are temperature and formulation dependent. Results are on file with Materials Engineering. 3.5 CURED MATERIAL PERFORMANCE PROPERTIES Parts and/or test samples prepared with materials according to these specifications shall meet all requirements
36、 of performance specifications WSS-M11P57-A5. 3.6 LINE TRIAL The Requirements defined in this specification are based upon laboratory coupon testing and define the minimum acceptance criteria for adhesive performance. Prior to use, the adhesive must be evaluated under the production parameters of th
37、e relevant production line. The choice of substrates, plant processing conditions and specific design application may affect adhesive performance. Compliance with this specification does not guarantee the adhesive will function for all potential applications on a vehicle. Therefore materials being e
38、valuated for approval to this specification shall be subjected to a production trial. Functional trial results must be approved by the affected assembly operation. Results shall be made available to Materials Engineering prior to material approval and release. 4. GENERAL INFORMATION The information
39、given below is provided for clarification and assistance in meeting the requirements of this specification. Contact for questions concerning Engineering Material Specifications. 4.1 RELATED MATERIALS AND PROCEDURE 4.1.1 Glass Primer Wipe not required for FOE WSS-M5B280-C5 4.1.2 Adhesion Primer, Gla
40、ss WSS-M2G314-B2 (Blackout primer) 4.2 SUBSTRATES 4.2.1 Metal Substrate: Prior to releasing to this specification, the adhesive must be tested to painted steel panels of nominal thickness 0.80 mm. The substrate must be painted with all of the production paint systems that are currently being used by
41、 the assembly plant. ENGINEERING MATERIAL SPECIFICATION WSS-M2G316-B5Copyright 2017, Ford Global Technologies, LLC Page 7 of 9 4.2.2 Float Glass: 5.6 mm nominal thickness. 4.2.3 Float Glass with WSS-M99P6-C1/C2 Ceramic Coating: 4.3 WEIGHT PER VOLUME DENSITY, Typical 1.15 - 1.30 kg/L (Refer to para 3
42、.2.5) 4.4 APPROVAL OF MATERIALS Suppliers desiring approval of their materials shall first obtain an expression of interest from Purchasing, Design or Product Development, and Materials Engineering. The supplier shall submit a completed copy of their laboratory test reports, signed by a qualified an
43、d authorized representative of the test facility, demonstrating full compliance with all the requirements of the Material Specification. Tested material samples must be available for review upon request and kept for a minimum of one year. Upon request, the supplier will review the associated quality
44、 control documents (Process Failure Mode and Effects Analysis, Control Plans, Certification testing) with Ford. 4.5 SUPPLIERS ONGOING RESPONSIBILITY All materials must be equivalent in all characteristics to the material upon which approval was originally granted. Prior to making any changes to the
45、material originally approved, whether or not such changes affect the materials ability to meet the specification requirements, the supplier shall notify the affected Supplier Technical Assistance (STA), Purchasing, and Materials Engineering activities of the proposed changes (with reasons) by submis
46、sion of a completed Suppliers Request for Engineering Approval, SREA. For parts and components using Ford Engineering Material Specifications, all samples tested to the specifications for Design Verification (DV), Production Verification (PV) and Production Part Approval Process (PPAP) sign off must
47、 be kept until Job 1. 4.6 RESTRICTED SUBSTANCE MANAGEMENT STANDARD Substance restrictions imposed by regulations or Company direction applies to the materials addressed by this document. The restrictions are identified in the Restricted Substance Management Standard WSS-M99P9999-A1 which is updated
48、yearly. It is the suppliers responsibility to comply with this standard on a continuing basis through IMDS and or GMAP reporting. 5. SUMMARY OF REVISIONS 2017 04 19 Title changed from ambient to warm applied. Scope updated Removed WSS-M99P1111-A and added those requirements directly to this specific
49、ation. 2011 01 04 1.Updated 3.2 2. Updated 3.4.3 at 80C 2009 01 22 1. Updated 2.1 and deleted Table 1. 2. Revised Storage Stability. 3. Added 3.5 Cured Material Performance Properties. ENGINEERING MATERIAL SPECIFICATION WSS-M2G316-B5Copyright 2017, Ford Global Technologies, LLC Page 8 of 9 4. Revised 4.1 to reflect the new specification for Glass primers. 5. Title and Scope updated 6. Changed 3.2.1 from Rheology to Viscosity, test method added 7. Added FLTM to
