Adhesion Test Procedure(ASTM百格测试标准)
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Adhesion Test Procedure – ASTM 3359
Use Elcometer Test Kit 107
1.
Preparing the Cutter
Each blade has 4 cutting edges, labelled 1-4. The blade can be reversed and rotated to use a new edge once the blade is worn. The ISO standard recommends that the cutting blade is changed when the top of the blades is flatted by 0.1mm.
2.
First Cut
Place the cutting tool on the sample. Press down gently and pull the tool towars you in one steady movement to make a series of parallel lines approx. 20mm long.
3.
Second Cut
Place the cutting tool on the sample at 90 to the first cut and repeat step 2.1 to create a cross hatch pattern.
4.
Clean The Sample
Brush the area to remove any debris and inspect to ensure the cuts have penetrated the coating.
5.
Prepare The Tape
Using the correct adhesive tape ((ASTM 3359 Elcometer part T1078894). Remove and discard 2 complete turns of tape. Remove an additional 75mm of tape at a steady rate. Retain this section.
6.
Apply The Tape
Centre the tape over the cross hatched area and smooth into place using a pencil eraser.
7.
Remove The Tape
Remove the tape by pulling in a single smooth action. The tape should be pulled at an angle of 180
8.
Analyse The Results
Using the table below analyse the results.
9.
Repeat Test
Repeat the test at 2 further locations.