What Kind Of Material Is Melamine Tableware?

1. Melamine tableware, namely melamine tableware, is a kind of tableware made of resin with the appearance similar to porcelain. It is firmer than porcelain, not fragile, and has bright color and strong finish. It is very popular with children. China has special standard requirements for the manufacturing process of melamine, which stipulates that it must be made with melamine powder (ie, melamine formaldehyde resin) as the base material and a cellulose as the base material. Melamine tableware made according to the nationally prescribed process standards are relatively resistant to high temperatures, high humidity, solvents, and alkali. However, there are many poor-quality melamine tableware made on the market with urea-formaldehyde resin instead of melamine formaldehyde resin as the substrate. Urea-formaldehyde resin is prepared by the condensation polymerization of urea and formaldehyde solution under alkali or acid catalysis, which will hydrolyze and release formaldehyde gas, and the more water, the stronger the acidity, the higher the temperature, the more severe the degree of hydrolysis and the release The more formaldehyde gas there is, the tableware made of urea resin is harmful to the human body.

2. What kind of substance is a melamine? Why are some melamine safe, while others release a large amount of formaldehyde? The following editors introduce you: The material that people call melamine is actually called melamine resin, also called melamine formaldehyde resin. The name may sound scary, but it actually uses melamine and formaldehyde through a polycondensation reaction to adhere at high temperatures to form a thermosetting resin. The two substances react at high temperatures, and the polymer dehydrates to form a sticky resin. Generally speaking, this generated substance is completely non-toxic at normal temperature. As long as it does not encounter strong acids and alkalis, nothing will change.