Cap Material And Chemical Compatibility - PCB Piezotronics IMI SENSORS Echo TO670A01 Installation And Operating Manual

Cap Material and Chemical Compatibility

The sensor cap is made from a translucent polycarbonate material. This material was
chosen because it is tough, allows the transmitted RF signal to radiate out of the sensor,
permits visual feedback provided by the imbedded blue status LED, and reduces the
passage of ultraviolet (UV) rays. However, like any "plastic" material, it is compatible
with some chemicals but not others.
Included here is a general chemical compatibility chart for polycarbonate material taken
from information on the Internet. This data is not guaranteed but is offered as a general
guide to chemical compatibility. It is highly recommended that you look up the
compatibility of you specific chemical with polycarbonate material. If polycarbonate is
not compatible with the processes in your plant, contact IMI for potential options.
Will Damage Polycarbonate
Alkali bleaches such as sodium hypochlorite Cyclohexanone
Acetone
Acrylonitrile
Ammonia
Amyl acetate
Benzene
Bromine
Butyl acetate
Sodium hydroxide
Chloroform
Dimethylformamide
Concentrated hydrochloric acid
Concentrated hydrofluoric acid
Iodine
Methanol
Methyl ethyl ketone
Styrene
Tetrachloroethylene
Toluene
Concentrated sulfuric acid
Xylene
Cyanoacrylate monomers
Require Caution
Diesel oil
Formic acid
Gasoline
Glycerine
Heating oil
Jet fuel
Concentrated perchloric acid Carbon dioxide
Sulfur dioxide
Turpentine
Considered Safe
Acetic acid
Ammonium chloride
Antimony trichloride
Borax in H O
2
Butane
Calcium chloride
Calcium hypochlorite
Carbon monoxide
Citric acid 10%
Copper(II) sulfate
Ethyl alcohol, i.e. ethanol 95%
Ethylene glycol
Formaldehyde 10%
Hydrochloric acid 20%
Hydrofluoric acid 5%
Isopropyl alcohol
Mercury
Methane
Oxygen
Ozone
Sulfur
Urea
Water
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