Precipitated Silica White Carbon Black Silicon Dioxide

• Customization: Available
• Kind: Carbon Black
• Appearance: Powder
• Specific Surface Area (Bet): 180-210 M2/G
• Oil Absorption (Doa): 240 Ml/100g Min
• Transport Package: 10kg/Bag
• Trademark: HUARONG
• Origin: China
• HS Code: 28112200
• Production Capacity: 1000mt Per Year

Product Description

Product Description
CAS No.:112926-00-8(7631-86-9)
EINECS No.:231-545-4
H.S No.: 2811220000                                                                                                                 Application range: pharmaceutical, food, agricultural feed additive and other industries. 
Features: 255S can increase powder fluidity. 255HS is the high absorption macro fine silicon dioxide.                  
Package: 16  or 10kg per bag of plastic woven bags lined with PP bag.                                                                
Specification: Technical parameters

Specification	255S	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 cm^3/g	2.5-3.5	2.5-3.5
BET specific surface area m^2/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