Retsch PP 25 - Manual (Page 19)

Operating the machine
19
Fig. 3: Filling in the sample
• Fill the sample material into the die tool (approx. 15 grams).
The pressure pieces are ground and polished on one side.
• Insert the second pressure piece (N) with the ground and polished side (T)
facing downwards.
• Insert the plunger (M) into the die tool.
Press the plunger (M) downwards so that the air cushion escapes.
5.5.3 Pressing the tablet
Fig. 4: Inserting the die tool
NOTE
Damage to the seals and constant loss of pressure
A constant build-up of pressure while the cylinder (J) is moved out to the full extent
damages the seals. There is a fine groove on the cylinder. This groove should not
be visible while the pressure is building up.
T
D
PW
J
H
B
t
N