We are the largest solely foreign-owed synthetical zeolite manufacturer in China, our production ability is 120,000 tons per year. Our 4A Zeolite is the substitute of STPP. As one of the most important professional 4a Zeolite providers in detergent industry, our products have been used by most of big detergent manufacturers, such as Unilever, Nice, P&G, Henkel and so on. Please ref our main specification as below,
1. excellent Ca Ion Exchanging Rate >320 mg caco3/g, strong soften ability 
2. High and stable Whiteness >97 , it make your detergent powder whiter 
3. PH1%, 25PH Value <11 
4. (800,1h) (%) L01 <21% 
5. Granularity aveage <3um 
6. Resid45um% <0.3%