Description
Specifications Table
Product Name – Silicon(IV) oxide, 99.995% (metals basis) Quantity/Pack Size – 25g, 100g Form – Powder Grade – 99.995% (metals basis) Application – Semiconductor, optical coatings, research
Product Overview
Silicon(IV) oxide, also known as silicon dioxide (SiO₂), is a high-purity compound with a minimum assay of 99.995% (metals basis), making it ideal for demanding laboratory and industrial applications. This fine, white powder exhibits exceptional chemical stability, thermal resistance, and dielectric properties, ensuring reliable performance in precision processes. Its ultra-low impurity levels minimize interference in sensitive experiments, particularly in semiconductor fabrication, optical coatings, and advanced material research. The consistent particle size distribution enhances uniformity in thin-film deposition and other high-tech applications. As a non-toxic, inert material, it is safe for handling under standard lab conditions while maintaining compatibility with most solvents and reagents. Whether used as a substrate, insulator, or filler, this high-grade silicon dioxide delivers superior purity and reproducibility, meeting the stringent requirements of modern research and development.
FAQs
1. What is the typical particle size range of this silicon dioxide powder?
The particle size typically ranges between 1-10 microns, ensuring fine dispersion and uniformity in applications like thin-film deposition.
2. Is this silicon dioxide suitable for high-temperature applications?
Yes, it remains stable at temperatures up to 1700°C, making it ideal for thermal processes and refractory applications.
3. Can this product be used in food or pharmaceutical applications?
While it is chemically inert, this grade is specifically designed for lab and industrial use, not for food or pharmaceutical compliance.
4. How should this powder be stored to maintain its purity?
Store in a cool, dry place in a tightly sealed container to prevent moisture absorption and contamination.
5. What is the difference between 99.995% and lower-purity silicon dioxide?
The 99.995% grade has significantly fewer metallic impurities, ensuring better performance in sensitive electronic and optical applications.










