Chemical reactions of PTFE occur in con-
tact with molten or dissolved alkaline and alkaline-earth
metals, as well as with fineparticeld powders of metals of
the 2. and 3. group of the periodical system at temperatures
above 300-400 °C. Only elementary fluorine, chlorine trifluo-
ride and alkaline metals do attack PTFE, halogen hydrocar-
bons have a reversible swelling effect.
To the protetion of the equipment
Caution:
Operator's control
base plate (glass)
speed display
rotating knob
Unpacking
Correct use
connector
socket
9