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ASTM D3359 Standard Test Method for Measuring Adhesion by Tape Test




Q. What is the spacing of the cuts required for this ASTM Adhesion Tape Test?

Thanks,

Sonia Lai
- Bloomfield, Connecticut, USA
2001



simultaneous replies

ASTM D-3359 Tape
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A. Sonia,

I believe you are referring to Method B within ASTM D3359 [affil link] . If so, the spacing between the cuts varies with the dry film thickness of the coating. For coatings with dry film thickness of up to and including 2 mils, the spacing is 1 mm apart, with eleven cuts total (unless there is another agreement). For coatings between 2-5 mils, the spacing is 2 mm and six cuts. For thicker coatings, Method A is recommended (an "X" cut procedure).

Roy Nuss
Trevose, Pennsylvania, USA


A. Hello Sonia!

>From Paragraph 12.2.1- "For coatings having a dry film thickness up to and including 2.0 mils (50 microns) space the cuts 1 mm apart and make eleven cuts unless otherwise agreed upon."

>From Paragraph 12.2.2- "For coatings having a dry film thickness between 2.0 mils (50 microns) and 5.0 mils (125 microns) space the cuts 2 mm apart and make six cuts. For films thicker than 5.0 mils use Test Method A (X-Cut Tape Test)."

Good luck!

lee gearhart
Lee Gearhart
metallurgist - E. Aurora, New York




Q. AFTER FOLLOWING THE PROCEDURES FROM ASTM D3359 [affil link] B, WHAT TYPE OF TAPE DO I NEED TO USE AND HOW MANY RUBS DO I HAVE TO TAKE AND AT WHAT ANGLE DO I NEED TO PULL THE TAPE?

CESAR H. MARISCAL
INSPECTION COMPANY - Shanghai, China
2006




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