1、 FORD LABORATORY TEST METHOD EU-BV 053-06 Date Action Revisions 2002 01 10 Revised Editorial no technical change A. Cockman 2000 08 11 Revised Editorial no technical change A. Cockman 1994 02 28 Printed copies are uncontrolled Page 1 of 4 Copyright 2002, Ford Global Technologies, Inc. SEALING ABILIT
2、Y OF SEALERS Application This procedure is used to determine the sealing ability of heat curing sealers. Apparatus and Reagents Required Test Fixture (as shown in drawing) Made from body steel skin panels prepared in accordance with FLTM EU-BI 020-01. Laboratory Forced Air Circulation Oven Capable o
3、f maintaining temperatures up to 250 C with 2 C. Sealer Gun Or similar device. Fluorescein Sodium Salt Source: Hopkin & Williams Ltd. BASF Chadwell Heath Ludwigshafen/Rh Essex, Englad Germany Black Light Type Mercury Vapour Lamp Source: P. W. Allen & Co., Ltd. Quarzlampen GmbH 253 Liverpool Road Han
4、au/Main London N.1, Englad Germany Distilled Water Conditioning and Test Conditions All test values indicated herein are based on material conditioned in a controlled atmosphere of 23 +/- 2 C and 50 +/- 5 % relative humidity for not less than 24 h prior to testing and tested under the same condition
5、s unless otherwise specified. FORD LABORATORY TEST METHOD EU-BV 053-06 Page 2 of 4 Copyright 2002, Ford Global Technologies, Inc. Procedure 1. Apply a bead of sealer 6 mm in diameter to the interior flange seams of 2 test fixtures using the gun of a similar device. 2. Brush or trowel the bead agains
6、t the sides of the angle so that the sealer takes up a concave shape as shown in drawing 1. 3. Condition the fixtures at 23 +/- 2 C for an open time of 10 minutes. 4. Cure one of the specimens in accordance with the minimum curing cycle and the other in accordance with the maximum curing cycle outli
7、ned in FLTM EU-BV 050-05 (Table 2 or 3 as required by the relevant Material Specification). 5. Remove the specimen from the oven and condition for 2 h at 23 +/- 2 C. 6. Preparation of Fluorescein Test Solution. Dilute a 10 % by weight fluorescein sodium salt solution in the proportion of 1 mL to 100
8、0 mL of distilled water. 7. Fill the fixture with the test solution to a depth of 100 mm. 8. Allow the fixture to stand for 2 h at 23 +/- 2 C and then examine in a darkened room under the ultra violet light source for evidence of water leakage, as required by the relevant Engineering Specification.
9、9. Empty the test solution from the fixture, condition for 240 h in the oven at a temperature of 100 +/- 2 C. 10. Remove the fixture from the oven and condition for 2 h at 23 +/- 2 C. 11. Proceed as described in paragraphs 6 8. Chemicals, materials, parts and equipment referenced in this document mu
10、st be used and handled properly. Each party is responsible for determining proper use and handling its facilities. FORD LABORATORY TEST METHOD EU-BV 053-06 Page 3 of 4 Copyright 2002, Ford Global Technologies, Inc. SEALING ABILITY OF SEALERS FORD LABORATORY TEST METHOD EU-BV 053-06 Page 4 of 4 Copyright 2002, Ford Global Technologies, Inc. SEALING ABILITY OF SEALERS
