ethyl 96% - test 1
not tested
ethyl 96% - test 2
●
housing
●
handle
●
rubber cover over enabling switch
●
keypad
●
blind plug
●
illuminated push-button
●
emergency stop button header gasket
●
display gasket
●
housing gasket
●
cover gasket
●
knob for handwheel
●
knob for potentiometer
●
dummy covers
●
type plate - glue is dissolving; label can be
wiped off
●
connection cable - loses colour
●
key switch - hardness decreases, material
gets doughy; tensile strength decreases;
can be deformed plastically
●
illuminated push-button gasket of mount-
ing ring - strong bulking
●
emergency stop button header - loses col-
our
isopropanol - test 1
not tested
isopropanol - test 2
●
housing
●
handle
●
rubber cover over enabling switch
●
blind plug
●
connection cable
●
illuminated push-button
●
emergency stop button header gasket
●
display gasket
●
housing gasket
●
cover gasket
●
knob for handwheel
●
dummy covers
●
type plate - glue is dissolving; label can be
wiped off
●
keypad - glue is dissolving
●
key switch - hardness decreases, material
gets doughy; tensile strength decreases;
can be deformed plastically
●
illuminated push-button gasket of mount-
ing ring - strong bulking
●
emergency stop button header - loses col-
our
●
knob for potentiometer - the printing on the
knob corrodes
MEK
(methyl ethyl
ketone), Toluol
(Toluolum DAB 74),
Xyluol
(Xyluolum OAB 90) -
test 1
●
handle
●
rubber cover over enabling switch
●
keypad
●
blind plug
●
connection cable
●
illuminated push-button (remaining parts)
●
emergency stop button
●
display gasket
●
housing gasket
●
cover gasket
●
housing - not tested
●
type plate - glue is dissolving; label can be
wiped off
●
key switch - hardness decreases, material
gets doughy; tensile strength decreases;
can be deformed plastically
●
illuminated push-button cover - plastic im-
mediately soaks
●
knob for potentiometer - not tested
●
knob for handwheel - not tested
●
dummy covers for handwhell, potentiome-
ter - not tested
MEK
(methyl ethyl
ketone), Toluol
(Toluolum DAB 74),
Xyluol
(Xyluolum OAB 90) -
test 2
not tested
Test for chemical resistance
KeTop T50VGA
© KEBA 2009
User's Manual V1.50
162