Fumed silica SiO2 powder 958
description1
Item |
Standard |
Test Result |
Appearance |
White powder |
White powder |
Specific Surface Area (m²/g) |
200 |
202 |
45um Sieve Residue (%) ≤ |
0.05 |
Pass |
Suspension pH |
3.9-4.3 |
4.20 |
Volatile Content (105°C) % ≤ |
3 |
0.65 |
Loss on Ignition % ≤ |
2.5 |
0.53 |
Silicon Dioxide (SiO₂) % ≥ |
99.8 |
99.96 |
Aluminum Oxide (Al₂O₃) mg/kg ≤ |
500 |
Not detected |
Titanium Dioxide (TiO₂) mg/kg ≤ |
300 |
0.70 |
Titanium Trioxide (Ti₂O₃) mg/kg ≤ |
10 |
0.85 |
Carbon Content mg/kg ≤ |
0.2 |
0.30 |
Chloride Content % ≤ |
0.025 |
0.004 |
Total Manganese Content mg/kg ≤ |
40 |
0.08 |
Total Copper Content mg/kg ≤ |
10 |
Not detected |
Particle Size (micron-nano) ≤ |
15 |
Pass |
Performance
● High purity with a highly porous structure, ensuring superior performance.
● Excellent chemical stability, resistant to most acids and bases.
● Surface hydroxyl groups provide enhanced interaction with various matrices, improving dispersion and performance.
● Unique thixotropic properties, enabling enhanced flow control in liquid systems.
Application
Fumed silica 958 is widely used across multiple industries, including:
● Rubber & Elastomers: Enhances tensile strength, tear resistance, and wear resistance in sealing rings, gaskets, and oil pipes.
● Electronics & Insulation: Used in insulators and protective coatings for electrical components.
● Pharmaceutical & Medical Devices: Found in powdered tablet formulations, artificial organs, and infusion tubes.
● Baby Products: Used in latex pacifiers for its non-toxic and safe properties.
● Printing & Coatings: Plays a vital role in high-end inks, improving viscosity control and stability.
Packaging & storage
Fumed Silica SiO₂ Powder 958 is securely packed in 20kg woven bags, ensuring protection against moisture, contamination, and environmental factors. Customized packaging options are available upon request to meet specific customer needs.