Silicon dioxides

Precipitated silica used for carrier

Features:TOND-255S is a fine particle silica with high oil absorption (DBP)and very good flow properties,it is a good caking inhibitor for powder too.

                  TOND-255HS is a fine particle silica with high absorption capacity for liqulids.It is a good thickener for liquids systerms.

Application range:Medicine, food, pesticides and  feed additive industries.

CAS No.:112926-00-8(7631-86-9)

EINECS No.:231-545-4
Technical parameters

Specification
TOND-255S
TOND-255HS
Appearance
white micro powder
white micro powder
Heating loss(105°C) %
4.0-6.0
4.0-6.0
Loss on ignition(1000±25°C) %
4.0-5.0
4.0-5.0
Average grain diameter d50 祄
10-15
5-10
SiO2(content) %
≥92.0
≥92.0
PH value
6.0-7.0
6.0-7.0
DBP oil factor cm3/g
2.5-3.5
2.5-3.5
BET specific surface area m2/g
180-210
180-210
Na2SO4 %
≤1.0
≤1.0
Compacted density g/l
100-130
70-100
As mg/kg
≤2.0
≤2.0
Heavy metal(Pb) mg/kg
≤20
≤20

 

Features:TOND-255 is suitable as liquid material carrier and can keep loosen density and good fluidity.
Application range:Medicine, food, pesticides and  feed additive industries.
CAS No.:112926-00-8(7631-86-9)
EINECS No.:231-545-4
Technical parameters

Specification
TOND-255
TOND-255P
Appearance
white bead
white powder
Heating loss(105°C) %
4.0-6.0
4.0-6.0
Loss on ignition(100025°C) %
4.0-5.0
4.0-5.0
Average grain diameter d50 祄
220-240
90-110
SiO2(content) %
≥92.0
≥92.0
PH value
6.0-7.0
6.0-7.0
DBP oil factor cm3/g
2.3-3.0
2.5-3.5
BET specific surface area m2/g
170-210
170-210
Na2SO4 %
≤1.0
≤1.0
Compacted density g/l
250-270
270-290
As mg/kg
≤2.0
≤2.0
Heavy metal(Pb) mg/kg
≤20
≤20

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