What kind of melamine porcelain features it?

Just bought imitation porcelain tableware, vinegar should be boiled in boiling water for two or three minutes, or soaked in vinegar at room temperature for two hours, so that the release of harmful substances as far as possible, cook the water to remember to drain. Cleaning melamine tableware to use a soft rag, while the scouring pad, decontamination and easy to scratch the tableware surface, more susceptible to pollution, it is best not to use.

- Department of Chemistry, Hebei Normal University, a professor of Materials Science, doctoral tutor: Imitation porcelain tableware, also known as melamine tableware, mainly melamine and formaldehyde resin polymerization, although melamine is allowed to be used in food containers, packaging materials and Melamine and formaldehyde in better-quality imitation melamine tableware are generally stable, but trace amounts of melamine may be released and migrated to food in hot or strong acid and alkali environments. The professor said that melamine is not soluble in water, and melamine tableware released at high temperatures, the amount of melamine is minimal, do not have to talk about porcelain that is color change. Experts suggest that consumers should buy QS logo qualified products manufactured by regular manufacturers. At the same time, keep in mind that imitation porcelain tableware is not suitable for high-temperature cooking and can not be used for heating in microwave ovens. Try not to store acid and alkaline foods for a long time.

According to CCTV recently reported that the relevant quality inspection departments in the Chinese market Imitation porcelain tableware spot checks found that China's market Imitation porcelain tableware pass rate of less than 20% to urea-formaldehyde resin instead of melamine-formaldehyde resin as the base material to produce imitation porcelain Tableware has almost become the unspoken rules of this industry. Urea-formaldehyde resin is urea and formaldehyde solution in alkaline or acid-catalyzed polycondensation reaction will occur, the hydrolysis will occur, and then the release of formaldehyde gas, and the more water, the more acidic, the higher the temperature, the more serious the degree of hydrolysis, the release of Formaldehyde gas is also more, so the use of urea formaldehyde resin tableware is harmful to the human body.

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