Historical Version s - view previous versions of standard. More D Most protective and high performance coatings are applied to meet a requirement or specification for dry film thickness for each coat or for the completed coating system, or for both. With some flat coatings the dry film thickness is higher than that calculated from the wet film thickness.
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A number in parentheses indicates the year of last reapproval. A superscript epsilon e indicates an editorial change since the last revision or reapproval. Scope 3. Summary of Practice 1. D Consequently, the results from the notch gage are priate safety and health practices and determine the applica- not to be used to verify the nonvolatile content of a coating.
Current edition approved Nov. Published January Originally D Notch gages may, however, be used on nonuniform published as D — Last previous edition D — 84 1.
Procedure 4. The gage must be used immediately. Some the increases coatings speed. Report of the gage to rest on the substrate in the same plane. Do not clean with metal scrapers. The numbe r of readings required to 6. Ignore such read- large. The spot where the gage is used must be as uniform as possible and questionable readings ignored. Apparatus 8. Report aluminum3 Note 1. Nonmetallic gages shall not be used.
Gages made of plastic or deformable metal are not suitable. Apparatus 7. Gardner, Sr. Your comments will receive 3 These gages are commercially available from various coating equipment and careful consideration at a meeting of the responsible technical committee, which instrument suppliers.
A hole is in the Procedure center of the disk. Roll the gage across Report Keywords FIG. The American Society for Testing and Materials takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility.
Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM Headquarters. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below.
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ASTM D Uploaded by kishor Document Information click to expand document information Description: Measurement of wet film thickness. Date uploaded Jan 14, Did you find this document useful? Is this content inappropriate? Report this Document. Description: Measurement of wet film thickness. Flag for Inappropriate Content. Related titles. Carousel Previous Carousel Next. Jump to Page. Search inside document. The gage must be used immediately 4.
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Wet Film Thickness Gauge