FORD FLTM BV 116-02-2013 RESISTANCE OF SEALERS ADHESIVES TO ALKALINE CLEANER WASH CONDITIONS.pdf

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1、 FORD LABORATORY TEST METHOD BV 116-02 Date Action Revisions Rev. 3 2013 01 28 Revised See Summary of Revisions E. Kapic / B. Witkowski, NA 2000 12 11 Revised Editorial no technical change A. Cockman 1989 03 08 Released Controlled document at www.MATS Copyright 2013, Ford Global Technologies, Inc Pa

2、ge 1 of 4 . RESISTANCE OF SEALERS/ADHESIVES TO ALKALINE CLEANER WASH CONDITIONS Application This method is used to determine the wash resistance of sealers/adhesives exposed to alkaline cleaner wash conditions. Typically the alkaline cleaners range between pH = 10 12. Apparatus and Materials Require

3、d Test Cabinet Refer to Figure 1 for the example test spray tank consisting of: (1) two stage pump; (2) heater with temperature control; (3) flow-pressure control valve; (4) pressure gauge; (5) wash solution reservoir; (6) spray nozzle; and, (7) sealer/adhesive test panel. Spray Nozzle Whirl-Jet typ

4、e, 1/8 B5 316SS Source: Spraying Systems Co. (Spraying Systems Midwest, Inc.) 30701 W. 10 Mile Rd., Suite #200 Farmington, MI 48336, USA Phone: 800-957-7729 Web: Alkaline Cleaner Solution At the time of releasing this laboratory method there are three (3) suppliers that are approved to provide auto

5、motive grade alkaline cleaner products. Below are listed North American locations and contact information: Chemetall Americas Eastern Branch 675 Central Avenue New Providence, NJ 07974 800-526-4473 Henkel Corporation 32100 Stephenson Highway Madison Heights, MI 48071 248-583-9300 PPG Industries, Inc

6、. Automotive Coatings 5875 New King Court Troy, MI 48098 248-641-2000 An appropriate Ford materials engineer should be consulted before starting adhesive/sealer evaluation to determine which alkaline cleaner product should be used for testing. FORD LABORATORY TEST METHOD BV 116-02 Copyright 2013, Fo

7、rd Global Technologies, Inc. Page 2 of 4 Test Panels Substrates: Cold Rolled Steel, Electro Galvanized Steel, Hot Dip Galvanized Steel, and Aluminum, 100 x 300 mm panels with applied sealer/adhesive. Procedure A. Preparation of Test Cabinet and Panels 1. In the test tank, prepare the alkaline cleane

8、r per suppliers technical specification. 2. Install spray nozzle for test. 3. Heat solution to test temperature of 50 +/- 2 C. 4. Prepare a draw down sealer/adhesive bead of 30 mm x 200 mm x 1.5 mm on the panel, Figure 2. Condition panels for 2 - 3 hours at room temperature prior to testing. 5. Turn

9、 on pump motor and adjust spray pressure to 105 +/- 14 kPa. 6. Allow wash solution temperature and spray pressure to stabilize; adjust pressure control as necessary. 7. Turn off spray motor and then install test panel (23 +/- 0.5 cm distance between test panel and nozzle). B. Test and Evaluation of

10、Panels 1. Run test for 2 minutes time period at above conditions then turn off pump motor and remove the test panel. Rinse the test panel with cold water for 30 seconds to wash off the cleaner solution. 2. Assess the test panel for effect of cleaner solution on sealer/adhesive. Test material should

11、be unaffected by the test, exhibiting no edge loss or displacement. 3. Report: Sealer/Adhesive identification including manufacturer, part number, etc. Substrate type, and any other identification. Conditioning procedure for test specimens prior to testing. Type of lube on the test panels, and quant

12、ity in mass per unit area (e.g. g/m2, mg/m2, mg/ft2, etc.). Photograph the test panels before and after testing. For non-expendable materials, the adhesives/sealers on the test panels can be oven cured after the testing is completed, and presented for the review. Chemicals, materials, parts, and equ

13、ipment referenced in this document must be used and handled properly. Each party is responsible for determining proper use and handling in its facilities. FORD LABORATORY TEST METHOD BV 116-02 Copyright 2013, Ford Global Technologies, Inc. Page 3 of 4 Figure 1. Schematic Diagram of Wash Test Unit. F

14、ORD LABORATORY TEST METHOD BV 116-02 Copyright 2013, Ford Global Technologies, Inc. Page 4 of 4 Figure 2. Test panel. Summary of Revisions 2013 01 28 Revised Spray Nozzle and sources Updated Alkaline Cleaners and sources Revised alkaline solution temp from 65 to 50 C Revised spray pressure from 310 to 105 kPa. Revised spray time from 1 to 2 minutes Added Report details 30 mm 200 mm