FORD WSS-M2G316-B8-2018 ADHESIVE MOISTURE CURING URETHANE ONE COMPONENT PRIMERLESS TO NON SILANE BASED CLEARCOAT PAINT INCREASED UV-STABILITY TO BE USED WITH FORD WSS-M99P1111-A .pdf
《FORD WSS-M2G316-B8-2018 ADHESIVE MOISTURE CURING URETHANE ONE COMPONENT PRIMERLESS TO NON SILANE BASED CLEARCOAT PAINT INCREASED UV-STABILITY TO BE USED WITH FORD WSS-M99P1111-A .pdf》由会员分享,可在线阅读,更多相关《FORD WSS-M2G316-B8-2018 ADHESIVE MOISTURE CURING URETHANE ONE COMPONENT PRIMERLESS TO NON SILANE BASED CLEARCOAT PAINT INCREASED UV-STABILITY TO BE USED WITH FORD WSS-M99P1111-A .pdf(8页珍藏版)》请在麦多课文档分享上搜索。
1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 2 2018 01 19 Revised Released B8 P. Konopka, NA 2008 12 09 Revised See Summary of Revisions M. Mehandru, NA 2005 01 13 Released M. Mehandru Copyright 2018, Ford Global Technologies, LLC Page 1 of 8 ADHESIVE, MOISTURE CURING URETHANE, ONE
2、 COMPONENT, WSS-M2G316-B4 PRIMERLESS TO SILANATED AND NON-SILANATED CLEARCOAT PAINT, INCREASED UV-STABILITY ADHESIVE, MOISTURE CURING URETHANE, ONE COMPONENT, WSS-M2G316-B8 PRIMERLESS TO NON SILANE BASED CLEARCOAT PAINT, INCREASED UV-STABILITY 1. SCOPE The material defined by this specification is a
3、 one component moisture curing urethane adhesive which is primerless to clearcoat paint chemistries. The adhesive is formulated to be used with glass primer systems not requiring a black-out primer. 2. APPLICATION This specification was released for material used in conjunction with a one stage clea
4、r primer to bond glass windshields, glass rear windows and quarter windows to painted metal surfaces. These materials will bond primerless also to e-coated surfaces that are contaminate free and can also be used in conjunction with metal flange primers. WSS-M2G316-B4 shall be used in assembly plants
5、 with silane or non-silane based clearcoat painted metal surfaces. WSS-M2G316-B8 shall be used in assembly plants with non silane based clearcoat painted metal surfaces. It must not be used with silane based clearcoat painted surfaces. 2.1 MANUFACTURING PROCESS RECOMMENDATION These adhesives are moi
6、sture sensitive and require special handling for manual 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 man
7、ner (within 30 days) for review and approval by Materials 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 wh
8、en this specification is listed on the drawing, CAD file, 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 (Rotational Rheometer. For Europe only) Tempering T
9、ime: 300 s Pause Interval: 180 s at 131 1/s Downward Measure: 131 1/s - 20 1/s in 120 s (30 Measure Points) ENGINEERING MATERIAL SPECIFICATION WSS-M2G316-B4/B8 Copyright 2018, Ford Global Technologies, LLC Page 2 of 8 Viscosity (Pa.s) Yield Point (Pa) 3.2.1.1 As received 1.00 - 1.30 140 150 3.2.1.2
10、After Aging, max 1.35 - 1.45 100 140 (336 h at 30 +/- 2 C) 3.2.2 Rheology (SAE J1524, cone and plate rheometer with 40 mm diameter parallel plates, 500 micron gap, 50 Pa/sec ramp, stress controlled rheometers use stress range 0 - 3500 Pa, strain controlled rheometers use strain range 0 - 100 sec-1,
11、evaluate material to highest stress of strain as the formulation will allow, report material batch/lot number, identify rheometer make and model, for each test condition report yield stress and submit plots for shear stress vs shear rate, submit plot for viscosity vs temperature at mid-range shear r
12、ate. 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 application temperature) 7 days at 40 +/- 1 C 90 days at 32 +/- 1 C The rheology variation for any one supplier shall
13、 be +/- 30%, based on the recorded 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 t
14、he reference standard when tested under the same conditions. 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 as identified on the material control plan. 3.2.3 Solids 98% min (ASTM
15、 D 2834, 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 21% max (ASTM D 482, or FLTM BV 150-10) 3.2.5 Weight per Volume (ASTM D 816) The weight tolerance for any one supplier shall be +/- 0.02 kg/L based on the weight of the o
16、riginal approved production sample. Reference paragraph 4.4 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. ENGINEERING MATERIAL SPECIFICATION WSS-M2G316-B4/B8 Copyright 2018, Ford Global Te
17、chnologies, LLC Page 3 of 8 . 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 adhesive. The use of alcohol or alcohol containing solvents is prohi
18、bited for cleanup or other uses. 3.2.8 Storage Stability (From date of receipt at Ford Motor 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
19、 life to the material, from date of shipment from the supplier, shall be 4 months stored 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
20、 C, it must be conditioned at R.T. for 72 h prior to use. 3.2.9 Odor Rating 2 max (FLTM BO 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 examine
21、d for the formation of droplets or coalescence into a clear film. Such 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. 3.2.
22、12 Non-Interchangeability of Materials Only approved materials, all from the same production (supplier) source, shall be used in conjunction with one another. ENGINEERING MATERIAL SPECIFICATION WSS-M2G316-B4/B8 Copyright 2018, Ford Global Technologies, LLC Page 4 of 8 3.2.13 Slippage 10 mm max Test
23、Method: Apply 2 parallel beads (approx. 12 g in total; triangle form, 9 mm base and 13 mm height) 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 Materi
24、al specification. 2 min after application assemble with a 200 x 200 primed glass plate 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
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