铝19%,硅66%,钠7.4%,钙4.2%,铁0.14%,白度74
钠长石200目干粉,钠11.49%,钾0.2%,铝19.46%,烧后白度51.4
钾长石:水磨烘干料,钾>11%;
钠长石:200目,钠>10%。