Aminoplast 1. Good fluidity, appearance 2. Higher strength, heat resistance 3. For toilet seat cover, tableware, plug, etc. Urea moulding compound (UMC): Also ... the filling, together with both lubricant, hardener and pigment, etc. 3. For molding commodities like melamine tableware, bottle-covers,buttons,toys ... period: six months from the manufacturing date. Aminoplast for toilet seat cover