Dust-proof test chambers are primarily used to evaluate the dust resistance of electrical components, electronic devices, household appliances, automotive lights, motorcycles, and chemical materials. These tests help determine the sealing performance of product casings and ensure compliance with IP4X-GB4208-93 and IP6X dust protection standards. The chambers simulate the effects of sandstorms on various products such as locks, vehicle parts, seals, and electrical lighting equipment, ensuring their durability under harsh environmental conditions. It is important to note that dust-proof test chambers must not be used for testing or containing the following hazardous substances: 1. **Explosives**: - Nitrate-based explosives like ethylene glycol dinitrate, glycerol trinitrate, and nitrocellulose. - Other nitro compounds. - Organic peroxides such as peracetic acid, methyl ethyl ketone peroxide, and benzoyl peroxide. 2. **Combustible Materials**: - Pyrophoric materials including lithium, potassium, sodium, yellow phosphorus, phosphorus sulfide, red phosphorus, calcium carbide, phosphating lime, magnesium powder, aluminum powder, and sodium hydrogen sulfite. - Oxidizing agents such as potassium chlorate, sodium chlorate, ammonium chlorate, potassium peroxylate, sodium peroxylate, ammonium peroxylate, potassium peroxide, sodium peroxide, barium peroxylate, potassium nitrate, sodium nitrate, potassium hypochlorite, and sodium chlorite. 3. **Flammable Materials**: - Substances with a flash point below -30°C: alcohol, gasoline, acetaldehyde, propylene oxide, carbon disulfide. - Substances with a flash point between -30°C and 0°C: ethane, ethylene oxide, acetone, benzene, methyl ethyl ketone. - Substances with a flash point between 0°C and 30°C: methanol, ethanol, dimethyl stearate, amyl oleate. - Substances with a flash point between 30°C and 65°C: kerosene, light oil, turpentine, isoamyl alcohol, and acetic acid. 4. **Flammable Gases**: - Gases such as hydrogen, acetylene, ethylene, methane, ethane, propane, and butane, which can ignite at atmospheric pressure and 15°C. To ensure the longevity of the equipment and the safety of users, it is crucial to follow all safety guidelines and avoid any improper operation. Always double-check the compatibility of the tested materials before initiating any test procedure. By adhering to these precautions, you can prevent potential malfunctions and maintain a safe working environment.

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