AMETEK Brookfield Page 20
Manual No. M09-1200-F1016
III. SAMPLE PREPARATION AND HANDLING
Accurate and repeatable test results require attention to condition of the sample prior to testing
and the use of proper laboratory procedures during sample preparation. This section explains
the details.
III.1 Sample Issues
The Flow Function and Time Consolidated Flow Function Tests require slightly over 260 cc
of sample material. Allowing for spillage during sample preparation and testing, best practice
suggests that you start with at least 300 cc of sample material. If repeated tests will be performed
on the same sample, then 500 cc or more are recommended.
Note the condition of the sample prior to testing. Storage in a bag or sealed container will offer
protection, whereas leaving the sample on the counter in an open bag or container will expose the
sample to the environmental conditions in the test area. If the sample has “lumps” or “clumps”
of material, spread the material out in a flat pan and gently break the lumps/clumps up so that
the powder is more uniform in nature. Use a spatula, spoon or scoop to accomplish the “breaking
up” action. Alternately, use the PFT Sieve Kit to remove lumps/clumps. See Figure III-1.
Sieve
- For Standard Volume Shear Cell
PFT-623 (850 microns)
- For Small Volume Shear Cell
PFT-625 (425 microns)
Adapter
- For Standard Volume Shear Cell
PFT-622 (6-in. dia.)
- For Small Volume Shear Cell
PFT-624 (5-in. dia.)
Cone
- For Standard Volume Shear Cell
PFT-621
- For Small Volume Shear Cell
PFT-621
Trough
- For Standard Volume Shear Cell
PFT-400 (6-in. dia.)
- For Small Volume Shear Cell
PFT-405 (5-in. dia.)
Figure III-1: Sieve Kit (separated)
Use PFT-626 with the Standard Volume Shear Cell and PFT-627 with the Small Volume Shear
Cell.
