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How To Choose The IPX Level For LED

Sample Selection For Sand and Dust Test Chamber

Sand and dust test chamber cannot be used to test the following items:
A. The test items of the sand dust test box cannot be flammable:
1. The test items of the sand dust test box cannot be self-igniting substances:
Metal: "lithium", "potassium", "sodium", yellow phosphorus, phosphorus sulfide, red phosphorus; calcium carbide (calcium carbide), phosphating
Lime, magnesium powder, aluminum powder, sodium hydrogen sulfite.
2, sand dust test box test items can not be oxide properties: potassium chlorate, sodium chlorate, ammonium chlorate and its
Its chlorate; potassium peroxylate, sodium peroxylate, ammonium peroxylate and other peroxyacid salts;
Potassium oxide, sodium peroxide, barium peroxylate and other inorganic peroxides; potassium nitrate, sodium nitrate
And other nitrates; potassium hypochlorite and other hypochlorites; sodium chlorite and others
Chlorites.
B, the sand dust test box test items can not be explosives:
1. Nitrified glycol (ethylene glycol dinitrate), nitroglycerin (glycerol trinitrate), nitrocellulose and
It is an explosive nitrate.
2. Trinitrobenzene, trinitrotoluene, trinitrophenol (picric acid) and other explosive nitro compounds.
3. Peracetic acid, methyl ethyl ketone peroxide, benzoyl peroxide and other organic peroxides.
C, the sand dust test box test items can not be flammable gas:
Hydrogen, acetylene, ethylene, methane, ethane, propane, butane and others at 1 °C at a temperature of 15 ° C
Gas that may burn under pressure. In order to ensure your machine life and personal safety, please keep in mind
In case, the instrument can be prevented from malfunctioning due to improper human operation.
D, the sand dust test box test items can not be flammable:
1. Ether, gasoline, acetaldehyde, propylene oxide, carbon disulfide and other substances with a flash point of less than -30 °C.
2, ordinary ethane, ethylene oxide, acetone, benzene, methyl ethyl ketone and other ignition points above -30 ° C
And substances less than 0 ° C.
3. Methanol, ethanol, dimethyl stearate, amyl oleate and other substances with a flash point below 0 ° C below 30 ° C.
4. Kerosene, light oil, turpentine, isoamyl alcohol, acid vinegar and other substances with a burning point below 30 °C above 65 °C.

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