industrial silicon nitride ceramic Si3n4 roller wheel caster

industrial silicon nitride ceramic Si3n4 roller wheel caster Reputation depends on quality,  quality comes from Hard! Silicon Nitride Ceramic: Silicon nitride ceramics are heat-resistant to 65°C and cold-resistant to -20°C. They are only suitable for warm or frozen drinks. They are easily deformed when they are filled with high-temperature liquids or heated, and harmful substances are melted out. In addition, scientists discovered that after 10 months of use for No. 1 plastic, it may release the carcinogen DEHP, which is toxic to the testis. Therefore, throw away the beverage bottle when it is used up, and don't use it as a water cup, or as a storage container for other items, so as not to cause health problems. Note: Do not recycle beverage bottles for hot water. Don't put it in the car to bask in the sun; don't put alcohol, oil and other substances. It can be reused after careful cleaning, but these containers are usually not easy to clean. The ori…

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