Complex sodium disilicate--bets stpp substitute

Commodity: Complex Sodium Disilicate

Application: replace STPP in detergent powder making

Item Type Type 1 Type 2

Appearance white small granule, free flowing white fine powder

Bulk density 0.48g/cm3 0.68g/cm3

20FT Container 13 mts 17 mts
40HQ Container 26 mts 30 mts

Preferred technology Drying mixing, Post-spraying Pre-spray

Specification and COA

Item Standard Test result

Calcium exchange capacity >=400 mgCaCO3/gCSDS 441.06

Humidity: <=5% 2.5

PH value: <=12 11.27

SiO2: >=20% 23.08

Whiteness: >=80% 87.99

Bulk Density 0.40-0.85 Conform

Packing: 25kgs in plastic woven bag with inner plastic film bag

Advantage:
1. completely friendly to environment
2. excellent function and high calcium exchange ability (400min), better than STPP
3. excellent PH buffering capacity
4. competitive price to reduce much cost
5. free flowing and low density: 0.48/ml around.
6. not easily absorb moisture in air to become cake.
7. very suitable for high tower sprayer and especially dry mix or blending
8. be used same as STPP in producing process, without any change in equipment
9. to make common or concentrate detergent powder; free-phosphate or low-phosphate detergent powder