Complex Sodium Disilicate is the best in current phosphorus-free detergent builders, the function is almost same as STPP. It is the best replacement of STPP at present.
Complex Sodium Disilicate is completely friendly to each while STPP caused serious pollution. 
Complex Sodium Disilicate has an excellent solubility in water, even cold water, better than STPP. 
The price of Complex Sodium Disilicate is much lower than that of STPP 
Complex Sodium Disilicate can be used same as STPP in producing process, without any change in equipment. 
Complex Sodium Disilicate is the top cost performance non-phosphorus detergent which is widely used in leather washing and metal cleaning.
Complex Sodium Disilicate reduce the phosphor pollution while driving entironment protection.
Complex Sodium Disilicate mainly used for washing powder, it accounts for it accounts for about 40% of the weight.