The raw materials for the production of melamine resin are melamine (2,4,6-triamino-1,3,5-triazine) and formaldehyde. The latter usually uses 37% aqueous solution, namely formalin. Since M contains three active amino groups, different amounts of N-methylol substituted with different amounts of the two raw materials are generated. Calculated theoretically, 1 mole of M can interact with 6 moles of F to produce six methylol substituents. The industry generally use F / M = 2 ~ 3, in order to avoid the end product contains too much methylene ether bond.

Or with urea formaldehyde resin and melamine resin mixture of tableware surface will have white, rough and crack phenomenon. When the consumer discerns, you can use cigarette butts hot imitation porcelain tableware surface, depending on whether the hot spots foaming.

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