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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