The sand and dust test chamber must not be used for testing the following substances or containing these substances:
(1) Explosives:
1. Nitrified glycol (ethylene glycol dinitrate), nitroglycerin (glycerol trinitrate), nitrocellulose and other explosive nitrates.
2. Trinitrobenzene, trinitrotoluene, trinitrophenol (picric acid) and other explosive nitro compounds.
3. Peracetic acid, methyl ethyl ketone peroxide, benzoyl peroxide and other organic peroxides.
(2) Combustibles:
1. The objects used in the sand and dust test chamber must not contain spontaneous substances:
Metals: "lithium", "potassium", "sodium", yellow phosphorus, phosphorus sulfide, red phosphorus.
Celluloid: calcium carbide (calcium carbide), phosphating lime, magnesium powder, aluminum powder, sodium bisulfite.
2. The objects used in the sand and dust test chamber must not contain oxides:
1. Potassium chlorate, sodium chlorate, ammonium chlorate and other chlorates.
2. Potassium peroxyacid, sodium peroxygenate, ammonium peroxyacid and other peroxyacid salts.
3. Potassium peroxide, sodium peroxide, barium peroxide, and other inorganic peroxides.
4. Potassium nitrate, sodium nitrate and other nitrates.
5. Potassium hypochlorite and other hypochlorites.
6. Sodium chlorite and other chlorites.
(3) The objects used in the sand and dust test chamber must not contain flammable substances:
1. Ether, gasoline, acetaldehyde, propylene oxide, carbon disulfide, and other substances whose ignition point is less than -30 ℃.
2. Ordinary ethane, ethylene oxide, acetone, benzene, methyl ethyl ketone and other substances with a flash point above -30 ° C but less than 0 ° C.
3. Methanol, ethanol, dimethylbenzyl, amyl acetate, and other substances with a flash point above 0 ° C and below 30 ° C.
4. Kerosene, light oil, turpentine, isoamyl alcohol, sour vinegar and other substances whose ignition point is above 30 ℃ and below 65 ℃.
(4). Flammable gas:
Hydrogen, acetylene, ethylene, methane, ethane, propane, butane, and other gases that may burn at 1 atm when the temperature is 15 ° C.
In order to ensure the life of your machine and personal safety, please keep in mind the precautions to avoid instrument malfunction due to improper human operation!
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