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LAUNDRY/CLEANING
Complex Sodium Disilicate-CSDS
(to replace STPP for phosphate free formulations)
Chemical Formula
Na2O5Si2
pH (1% solution)
Index: <=12
Test Result: 11.27
Appearance
Small white particle, free flowing. Excellent function and high calcium exchange ability (400min), better than STPP. Strong PH buffering capacity, low density 0.48/ml, extremely suitable for high tower sprayer and especially dry mix or blending.
Molecular Weight
182.1475
UN Number
3253
Calcium Exchange Capacity
Index: >=400mgCaCO3/gCSDS
Test Result: 451.06
CAS-No
13870-28-5
Packaging
25 kg net in plastic woven bag with inner plastic lining
Application
Complex Sodium Disilicate is widely used as a substitute to STPP in production process without any change in equipment when making detergent powder such as concentrate detergent powder, ordinary detergent powder, phosphorous free washing powder, low phosphorous detergent powder and metal-washing powder
Humidity
Index: <=5%
Test Result: 2.5%
SiO2
Index: >=20%
Test Result: 23.08%
Whiteness
Index: >=80%
Test Result: 87.99%
Bulk Density
Index: 0.30-0.70
Test Result: 0.48
*Bulk Density can be adjusted as per cleints' request.