1、 FORD LABORATORY TEST METHOD BU 152-05 Date Action Revisions 2000 11 13 Revised Editorial no technical change A. Cock man 1990 06 27 Printed copies are uncontrolled Page 1 of 2 Copyright 2000, Ford Global Technologies, Inc. ADHESIVE FILM AGING CHARACTERISTICS Application This method is used to deter
2、mine the aging characteristics of adhesive films after heat exposure. Apparatus Required Glass Plates 100 x 100 x 6 mm Mechanical Convection Oven Capable of maintaining 100 +/ - 2 C Spatula Scriber Carbide tipped scriber. Source: Aircraft Specialties, Inc. (#90C) G.T.S. Co. (Gen. Scriber #CM88) P.O.
3、 Box 98 12015 Telegraph Lapeer, MI 48446 U.S.A. Redford, MI 48239 U.S.A. or equivalent. Template To apply adhesive; 50 x 50 mm cutout opening and a thickness of 0.20 mm. Conditioning and Test Conditions All test values indicated herein are based on material conditioned in a controlled atmosphere of
4、23 +/ - 2 C and 50 +/ - 5 % relative humidity for not less than 24 h prior to testing and tested under the same conditions unless otherwise specified. FORD LABORATORY TEST METHOD BU 152-05 Page 2 of 2 Copyright 2000, Ford Global Technologies, Inc. Procedure 1. Using the template, apply approximately
5、 0.20 mm wet film thickness of adhesive to the degreased glass plate. 2. Hold for 16 h at 23 +/ - 2 C. 3. Place in th e oven at 100 +/ - 2 C for 24 h. 4. Remove from oven and cool to 23 +/ - 2 C. 5. Scribe through the adhesive film, a pair of parallel lines 2 mm apart and a second similar pair at right angles to the first set. Evaluation Check for poor adhesion, e.g. , flaking and ease of stripping. Chemicals, materials, parts, and equipment referenced in this document must be used and handled properly. Each party is responsible for determining proper use and handling in its facilities.
