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    FORD FLTM BO 115-1-2001 PLASTICS - RESISTANCE TO ARTIFICIAL WEATHERING.pdf

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    FORD FLTM BO 115-1-2001 PLASTICS - RESISTANCE TO ARTIFICIAL WEATHERING.pdf

    1、 FORD LABORATORY TEST METHOD BO 115-01 Date Action Revisions 2001 03 28 Revised Editorial no technical change A. Cockman 2000 03 02 Revised Editorial no technical change A. Cockman 1995 11 09 Printed copies are uncontrolled Page 1 of 2 Copyright 2001, Ford Global Technologies, Inc. PLASTICS - RESIST

    2、ANCE TO ARTIFICIAL WEATHERING Application This method is used to test the resistance of molded plastic parts to artificial weathering by exposure to ultraviolet energy, heat, humidity, and cold. Apparatus Required Oven Approximate internal dimensions: 725 mm wide, 610 mm deep, and 520 mm high capabl

    3、e of maintaining a temperature of 60 +/- 2 C. The oven is to be equipped with thermostat control and a red pilot light. A Grieves-Henry oven (Model CR-326, Model PL-1) or equivalent is suitable. Fluorescent Sunlamp Cabinet Modified oven as shown above equipped with sunlamp fixture shown below. Sunla

    4、mp Fixture - #PL-326* or equivalent To be completely installed in the oven. 20 gauge steel box with screw cover; two 20 watt high power-factor ballasts; 4 fluorescent starter assemblies; 4 pairs fluorescent lamp holders; 4 FS 20T-12 fluorescent sunlamps. *Source: Infra Corporation 5454 Dixie Highway

    5、 Waterford, MI 48095 Telephone: 313/623-0400 Humidity Cabinet The humidity cabinet must be maintained at 38 +/- 2 C and a relative humidity of 95 to 100 %. The moist air must be circulated in the cabinet by a fan or other suitable means. Test specimens must be suitably supported and arranged in the

    6、test cabinet so that no water can drip from one specimen onto another. Cold Box Capable of maintaining a temperature of -30 +/- 2 C. FORD LABORATORY TEST METHOD BO 115-01 Page 2 of 2 Copyright 2001, Ford Global Technologies, Inc. Conditioning and Test Conditions All test values indicated herein are

    7、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 conditions unless otherwise specified. Procedure 1. Arrange the test specimens in such a manner so that no water can drip from one

    8、 specimen onto another. 2. Expose EXTERIOR parts to five (5) continuous cycles, and INTERIOR parts to three (3) continuous cycles (or the number specified in the applicable Engineering Material Specification) as detailed below. 3. Each single cycle consists of the following: A. 2 h in the humidity c

    9、abinet operating at 38 +/- 2 C and 95 to 100 % humidity. B. 4 h in the fluorescent sunlamp cabinet at 60 +/- 2 C. The test specimens must be 300 mm from the lamps. C. 2 h in the cold box at -30 +/- 2 C. D. 16 h in the fluorescent sunlamp cabinet at 60 +/- 2 C. 4. Examine and report any changes in ap

    10、pearance or other physical properties occurring as the result of this test as required by the applicable Engineering Material Specification. 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.


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