ALTANA Buchholz Indentation Tester Operating Instructions - Manual (Page 6)

2.0 Test Procedure The indentation hardness test
shall be carried out at an ambient
temperature of +23 °C ± 2 °C and
relative humidity of ( 50 ± 5) %.
Different paint systems need different
drying time, allow enough time to dry,
at leat 16 hours, then check as quick
as possible.
• Put the test panel on a firm,
horizontal surface. Place the
indentation tester carefully and
without any tilting or lateral
movement onto the paint film.
Set down first the feet and then
the indentor for ( 30 ± 1) s.
• The location of the indentation
mark is much easier when the
position of the feet is marked
before the test is started
without touching the tester (see
figure 2).
• Increase the indentation tester
from the specimen in the opposite
sequence, i.e. indentor first,
feet last.
1 Position of Indentation
2 Position of the feet
2
2
1