... :C7H13NO4S Cas No. 15214-89-8 Molecular weight: 207.24 purity:98%-99% 2-Acrylamido-2-methylpropanesulfonic acid AMPSQuality specification INDEX NAME ... fibre, in particular, the orion and the modacrylic fiber with chloride, the dosage is the 1%-4% of the fiber, it ... to use and east to use the water to remove.5.Paper making: The copolymer of the acrylamide-2-methylpropane sulfonic ...