The result of testing products P zeolite showed much better properties than first-rate 4A zeolite in national standard, and can be used as the substitute for STPP.

• 并对产品进行表征，结果表明P型沸石产品性能较好，超过洗涤用4A沸石国家优级品标准，可替代三聚磷酸钠作为洗涤助剂。