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Carrier silicon dioxide(white carbon black)

Features:TOND-255S can increase powder fluidity. TOND-255HS is the high absorption macro fine silicon dioxide.
Application range:pharmaceutical, food, agricultural feed additive and other 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 µm	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:pharmaceutical, food, agricultural feed additive and other 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(1000±25°C) %	4.0-5.0	4.0-5.0
Average grain diameter d50 µm	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