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High Grade Precipitated Silicon Dioxide Cas Number 7631 86 9 Thickening For Polar Liquid

Categories Precipitated Silicon Dioxide
Model Number: HF205
Certification: SGS/ASTM/ROHS
Place of Origin: China
MOQ: Negotiable
Price: Negotiable
Payment Terms: L/C, D/A, D/P, T/T
Supply Ability: 1000 Ton Per Month
Delivery Time: 7-10 Work Days
Packaging Details: 10 KGS/Bag
Brand Name: SKYHIL
Material: Silicon Dioxide
Standard: Industrial Use
Other Name: White Carbon Black
Appearance: White and Colloidal Powder
Molecular Formula: Sio2
CAS No: 7631-86-9
EINECS No: 231-545-4
HS Code: 281122
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High Grade Precipitated Silicon Dioxide Cas Number 7631 86 9 Thickening For Polar Liquid

High Grade Precipitated Silicon Dioxide CAS No.:7631-86-9 Used For Rubber


Product Description:


The silicon dioxide used in toothpaste is the powder without fixed model. No smell, no dissolved in water and acid, no chemical reaction with other chemical element, compatible with the fluorid and other materials of toothpaste are the features of this sort of silicon dioxide.


Specifications of Silicon Dioxide


ItemStandardResult
PH(5% aqueous dispersion)6.0-7.56.5
Sieve Residue(325UM)%≥9898
105°C loss on drying%≤7.05.2
Ignition loss(1000°C)%≤6.04.9
whiteness%≥9598
Water absorption ml/20g≥4254
Sio2%≥9798
Fe mg/kg≤350142
Oil absorption mg/100g≥230290
Density g/ml≥0.20.13
Heavy metal (PB)mg/kg≤15≤5
Asmg/kg≤3≤2

Appearance


white powder or granuleconform

Applications:


1.Rheology for the process.

2.Thickening for polar liquid, e.g. epoxy resin.

3.Reinforcement for organosilicon elastomer.

4.Large volume of addition, e.g. molded products.

5.Excellent Hydrophobicity to enhance anti-corrosion property.

6.Improvement of dielectric property, e.g. cable compounds.

7.Flow agent for powder, e.g. fire extinguishing agent.

8.Promotion of scratch resistance in coating and plastics



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