... , appearance 2. Higher strength, heat resistance 3. For tableware, socket, plug, etc. Urea Moulding Compound (UMC):Also named ... together with both lubricant, hardener and pigment, etc.Used for molding dinnerware/tableware, electrical appliance, button, toys, ... Powder form (compression grade) General purpose, mostly used for molding melamine dinnerware, electrical appliances, with lowest price, ...