Description

Silica Glass is a high-purity, amorphous form of silicon dioxide (SiO₂) characterized by its exceptional optical clarity, thermal stability, and chemical inertness. This material is fundamental for applications demanding precise light transmission, high-temperature resistance, and reliable performance in corrosive environments. It is essential for manufacturers and research facilities in the optics, semiconductor, and high-tech materials sectors.

Application

• Optical Components: Used in lenses, windows, prisms, and optical fibers due to its high transparency across a broad wavelength spectrum.
• Semiconductor Fabrication: Serves as a critical material for photomasks, substrates, and quartzware in wafer processing and cleanroom environments.
• Laboratory & Analytical Equipment: Employed in the manufacture of cuvettes, tubes, and sight glasses for spectrometers and other precision instruments.
• High-Temperature & Lighting: Utilized for furnace viewports, halogen lamp envelopes, and UV lamp sleeves where thermal shock resistance is paramount.
• Specialty Glass & Coatings: Acts as a precursor or additive in the production of specialty glasses, thin films, and protective coatings.

Basic Information

Product Name	Silica Glass
CAS No.	60676-86-0
Molecular Formula	SiO₂
Molecular Weight	60.08 g/mol
Synonyms	Fused Silica; Fused Quartz; Vitreous Silica; Amorphous Silicon Dioxide; Quartz Glass; Synthetic Silica Glass; Silica, vitreous; Glass, silica
EINECS	Contact for details

Quality Control

Our Silica Glass is produced and tested under stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. We provide material that meets relevant industry standards for high-purity applications. A comprehensive Certificate of Analysis (COA) detailing purity, physical characteristics, and optical properties is available for every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Handle with care to avoid mechanical damage, scratches, or contamination of surfaces.

Specification

Item	Specification
Appearance	Colorless, transparent solid
Identification (IR)	Conforms to standard for SiO₂
SiO₂ Content (Assay)	> 99.9%
Metallic Impurities	< 100 ppm
Refractive Index	~1.458 (at 589 nm)
Thermal Expansion Coefficient	~0.55 x 10⁻⁶ /K
Softening Point	> 1600 °C

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.