1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 00 2017 09 11 Released W. Janitschke, FoE Controlled document at www.MATS.com Copyright 2017, Ford Global Technologies, LLC Page 1 of 8 ADHESIVE, MOISTURE CURING URETHANE, ONE COMPONENT, WSS-M2G316-B7 PRIMERLESS CLEARCOAT PAINT, PRIMERLE
2、SS CERAMIC FRIT ON GLASS, STANDARD FIX, PUMPABLE, AMBIENT APPLIED 1. SCOPE The material defined by this specification is a one component moisture curing urethane adhesive, which is primerless to silane control rate: 0.0375 s-1 2.0 s-1; Temperature equilibrium time: 300 s (use of cover is required);
3、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, 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 recei
4、ved) 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 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 reco
5、rded rheology of the original approved production sample. The flow curves established for initial approval shall constitute the reference standard and shall be kept on file at the designated material laboratory. All samples shall produce flow curves that correspond to the reference. All samples shal
6、l produce flow diagrams including viscoelasticity established by rotational test equipment to identify characteristic of material. Final approval of material rheology for production shipments shall be made by the affected manufacturing activity. In all cases, the rheology shall be within the limits
7、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 BV 150-10) 3.2.4 Ash, based on solids weight 40 % max (ASTM D482, or FLTM BV 150-10) 3.2.5 Weight per Volume Density 1.15 1.30 kg/l (ASTM D816) The
8、 weight tolerance for any one supplier shall be +/- 0.02 kg/L based on the weight of the original approved production sample. ENGINEERING MATERIAL SPECIFICATION WSS-M2G316-B7 Copyright 2017, Ford Global Technologies, LLC Page 3 of 8 3.2.6 Sag 4 mm max Test Method: . Apply a 76 mm long right triangul
9、ar 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 plane 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 adhes
10、ive. The use of alcohol or alcohol containing solvents is prohibited for cleanup or other uses. 3.2.8 Storage Stability (From date manufactured) 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. Un
11、der these storage conditions, the min shelf life to the material, shall be 4 months stored in original 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 bel
12、ow 23 C, it must be conditioned at R.T. for 72 h prior to use. 3.2.9 Odor Rating 3 max (FLTM BO 131-03) Materials dimensions: 200 x 100 x 0.8 mm dispensed onto release paper, cured material per 7 days at RT. Remove from release paper to perform testing. Age sample for 14-28 days after manufacture at
13、 room temperature prior to bagging to allow for curing. 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, crystals or coalescence into a clear film. S
14、uch conditions, if present, 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. ENGINEERING MATERIAL SPECIFICATION WSS-M2G316-B7 Copyright 2017, Ford G
15、lobal Technologies, LLC Page 4 of 8 3.2.12 Non-Interchangeability of Materials Only approved materials, all from the same production (supplier) source, shall be used in conjunction with one another. 3.2.13 Slippage 10 mm max Test Method: Apply 2 parallel beads (approx. 12 g in total; triangle form,
16、9 mm base and 13 mm height) of material under test to a 125 x 75 x 4 mm float glass specimen and check for correct weight of applied bead of adhesive. Apply at RT. 2 min after application assemble with a 200 x 200 mm glass plate to a bead thickness of 4mm and fix in that position for 10 s. Remove di
17、stance 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 at RT (23C, 50% RH). Record all details of measurements and material under test. 3.3 CURE RATE PROPERTIES 3.3.1 Tack F
18、ree 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 test. 3.3.2 Sandwich Tensile Pull Strength Versus Cure Time
19、 Cure Time Sandwich Tensile Pull Strength, min 1.5 hours 150 kPa 3.0 hours 400 kPa 6.0 hours 600 kPa 24.0 hours 2.0 MPa 72.0 hours 2.5 MPa 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. . Apply a
20、 50 mm long by 6.4 mm diameter bead of adhesive to the clean glass, as illustrated in Figure 1. Within 5 minutes after adhesive application, position the adhesive on the glass coupon in contact with the painted metal surface (electrocoated panel may also be used). Maintain a 5 mm nominal adhesive bo
21、ndline thickness. ENGINEERING MATERIAL SPECIFICATION WSS-M2G316-B7 Copyright 2017, Ford Global Technologies, LLC Page 5 of 8 . 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/minutes. Rep
22、ort strength value and mode of failure. 3.4 CURED ADHESIVE PROPERTIES 3.4.1 Flexibility (ASTM F147, 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 crack on 25 mm mand
23、rel 3.4.2 Hardness, Durometer “A“ 65 +/- 10 Points (ASTM D2240) 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 D412, except where noted, use Ty
24、pe C die and pull at 50 mm/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 extensometer or strain gage,
25、 test at -40, 23, 50 and 80 +/- 2 C) Tensile at break at -40 C, 23C and 50 C 6.5 MPa min Tensile at break at 80 C 5.0 MPa min Elongation at break 200% min Poissons Ratio 0.25 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 A
26、nalyzer 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 strain of 0.5% at 1 Hz frequency. Actual material properties are temperature and formulation dependent. Results are on file with M
27、aterials Engineering. ENGINEERING MATERIAL SPECIFICATION WSS-M2G316-B7 Copyright 2017, Ford Global Technologies, LLC Page 6 of 8 3.5 CURED MATERIAL PERFORMANCE PROPERTIES Parts and/or test samples prepared with materials according to these specifications shall meet all requirements of performance sp
28、ecifications WSS-M11P67-A1. 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 the relevant product
29、ion 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 evaluated for appro
30、val 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 given below is pro
31、vided 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 back-up solution for regions other than FOE WSS-M5B280-C4/C5 (clear glass prime
32、r) 4.1.2 Adhesion Primer, Glass back-up solution 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
33、paint systems that are currently being used by the assembly plant. New paints and colors must be tested prior to use. 4.2.2 Float Glass: 5.6 mm nominal thickness. 4.2.3 Float Glass with WSS-M99P6-C1/C2 Ceramic Coating Prior to releasing to this specification, the adhesive must be tested to all the c
34、eramic frits currently used by the assembly plant. New ceramic frits must be tested prior to use. ENGINEERING MATERIAL SPECIFICATION WSS-M2G316-B7 Copyright 2017, Ford Global Technologies, LLC Page 7 of 8 4.3 APPROVAL OF MATERIALS Suppliers desiring approval of their materials shall first obtain an
35、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 and authorized representative of the test facility, demonstrating full compliance with all the requirem
36、ents 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 control documents (Process Failure Mode and Effects Analysis, Control Plans, Certification testing)
37、with Ford. 4.4 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 material originally approved, whether or not such changes affect the materials ability to meet the sp
38、ecification requirements, the supplier shall notify the affected Supplier Technical Assistance (STA), Purchasing, and Materials Engineering activities of the proposed changes (with reasons) by submission of a completed Suppliers Request for Engineering Approval, SREA. For parts and components using
39、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 be kept until Job 1. 4.5 RESTRICTED SUBSTANCE MANAGEMENT STANDARD Substance restrictions imposed by
40、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 yearly. It is the suppliers responsibility to comply with this standard on a continuing basis through IMDS and or GMAP 5. SUMMARY OF REVISIONS ENGINEERING MATERIAL SPECIFICATION WSS-M2G316-B7 Copyright 2017, Ford Global Technologies, LLC Page 8 of 8 FIGURE 1 Top View Side View 6.4 mm 150 mm 5 mm Thick Glass 50 mm x 6.4 mm Bond Area 5 mm thick Metal 50 mm
