Chemical Resistance; Test Description; Test 1; Test 2 - B&R Mobile Panel 40 User Manual

A.3 Chemical resistance
A.3.1 Test description
A.3.1.1 Test 1
The test specimens are placed in a sealable box (365 x 260 x 200). A cotton ball moistened with approximately 5
ml of solvent is placed on top of the test object. A cup (250 ml) is put over the cotton ball to prevent the solvent
from evaporating too quickly. The cup and the cotton ball are then removed after 10 minutes. The residue solvent
is not wiped off of the test object. The box is closed back up immediately. The test
for at least 24 hours.
This test is performed at 20°C.
A.3.1.2 Test 2
The test specimens are placed in a sealable box (365 x 260 x 200). Approximately 5 ml of solvent are sprayed on
the test object. The box is then closed back up. The test
This test is performed at 20°C.
A.3.2 Test results
Substance
Cutting oil - Test 1
•
LO-Smoke Levex 5047
•
Superfin 100
•
DIE-KOTE 7270-M
Cutting oil - Test 2
•
LO-Smoke Levex 5047
•
Superfin 100
•
DIE-KOTE 7270-M
Unleaded gasoline - Test 1
Mobile Panel 40/50 User's manual V1.80
object
Test passed
•
Handle
•
ZT rubber
•
Nameplate
•
Keyboard
• Dummy plugs
• Attachment cables
• Illuminated button
• Key switch
• Stop button
• Display seal
• Housing seal
• Cover seal
• Handle
• ZT rubber
• Nameplate
• Keyboard
• Dummy plugs
• Attachment cables
• Illuminated button
•
Key switch
•
Stop button
•
Display seal
•
Housing seal
• Cover seal
• Handwheel rotary knob
• Potentiometer rotary knob
• Slot covers
Table 77: Chemical resistance test - Test results
object
is left in the closed box for at least 24 hours.
Problems / Not tested
•
Housing parts - Not tested
•
Handwheel rotary knob - Not tested
•
Potentiometer rotary knob - Not tested
•
Slot covers - Not tested
Not tested
• Housing - Material becomes lighter in color,
white stains appear
Appendix A
is left in the closed box
131