Gypsum is used as a building material for different purposes like setting retarder for portland cement, gypsum board, ceramic molding tools etc. However before using, it is important to know …

Melamine is an organic base and a trimer of cyanamide, with a 1,3,5-triazineskeleton. Like cyanamide, it contains 66% nitrogen by mass and, if mixed with resins, has fire retardant properties due to its release of nitrogen gas when burned or …