Tinius Olsen MP1200 Extrusion Plastometer Page 15-8
Operation Manual # 02002215
move to the next screen.
15.3.5 If Sample Identifiers are used, the next screen (Pre Test) allows you to enter
the data. Also, if the operator elected to enter Pre-Test Comments, a box will
appear that allows the operator to put them in the test results. Press
Continue, when finished, to move to the next screen.
15.3.6 The display will prompt the user to Charge Cylinder Now while indicating the
Elapsed Time. Charge the cylinder with the material that is to be tested.
Refer to ASTM D 1238, Table 1 (Table 2 in earlier versions) for suggestions
on the amount of polymer to use for a test. It may require some trial and error
to determine the correct amount of material. It is important that the test does
not start until after the minimum preheat time has expired. To charge the
cylinder, insert the funnel into the cylinder, and then slowly pour the material
into the funnel. Do not dump it in all at once as it will melt and stick to the
funnel. Press Start when finished.
NOTE: The ASTM D 1238 Method allows one minute to charge the cylinder, insert the
piston, and start the preheat time of test.
CAUTION: The funnel, when placed in the cylinder, may become extremely hot when
the machine is at operating temperature! The time that the funnel is allowed to sit in the
cylinder should be kept to a minimum.
15.3.7 After charging the cylinder, lightly tamp the material down with the charging
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