Quartz Glass Balls

High Precision Quartz Glass Balls Manufacturers | Hengyuan

Exceptional Technical Properties of Quartz Glass Balls

Quartz Glass Balls

Quartz glass balls (also known as fused silica balls) represent the pinnacle of industrial technical glass components. Formulated from ultra-high-purity silicon dioxide ( $SiO_2$ ), these precision spheres are engineered to withstand the most punishing operational environments.

Hengyuan’s quartz glass balls deliver an unparalleled combination of physical, thermal, and optical performance specifications:

Extreme High-Temperature Resistance: Capable of continuous operation at temperatures up to $1100^\circ\text{C}$ , and can endure short-term exposure up to $1300^\circ\text{C}$ without structural deformation.
Near-Zero Thermal Expansion: Features an exceptionally low coefficient of thermal expansion (approx. $0.55 \times 10^{-6}/\text{K}$ , granting them immunity to severe thermal shock—they can be heated to red hot and immediately quenched in cold water without cracking.
Broad Optical Transmittance: Offers outstanding light transmission characteristics spanning from the Deep Ultraviolet (UV) through Visible to the Infrared (IR) spectral ranges.
Superior Chemical Purity & Corrosion Resistance: Resistant to almost all acids (except hydrofluoric acid), making them an inert, contamination-free choice for high-purity chemical processes.
Excellent Electrical Insulation: Retains high dielectric strength and electrical resistance even under elevated temperature conditions.

High-End Industrial Applications

Thanks to their elite chemical, optical, and thermal stability, Hengyuan’s high-precision Industrial-Grade Fused Silica Balls are widely adopted in cutting-edge industries worldwide:

Semiconductor & Photovoltaic Processing: Used as inert support media, high-purity cleaning components, and diffusion furnace bearings where zero-contamination is mandatory.
Optoelectronics & Photonics: Integrated into precision lens assemblies, UV sterilization equipment, and laser optics requiring high UV-wavelength transmittance.
Chemical & Metallurgy Equipment: Applied in high-temperature check valves, flow meters, and chemical reactors handling aggressive acids or molten metals.
Advanced Machinery & Sensors: Functioning as specialized high-temperature bearing balls and calibration spheres in extreme environmental measurement instruments.

FAQ About Precision Quartz Glass Balls

Q1: When should I choose Quartz Glass Balls over Borosilicate Glass Balls?

You should upgrade to quartz glass balls when your application exceeds the thermal or optical limits of borosilicate glass. While borosilicate glass is excellent up to approx. $500^\circ\text{C}$ , quartz glass balls can comfortably operate in extreme heat environments exceeding $1000^\circ\text{C}$ . Additionally, if your system requires high light transmittance in the Ultraviolet (UV) spectrum or absolute chemical purity (such as in semiconductor manufacturing), quartz is the only viable technical glass solution.

Q2: What is the purity level of Hengyuan’s high-precision quartz glass spheres?

Hengyuan utilizes premium, high-purity fused silica raw materials with an $SiO_2$ content of $\ge 99.99\%$ . This ultra-high purity level ensures that our quartz glass balls exhibit zero outgassing, exceptional structural homogeneity, and no trace element leaching, which is vital for critical laboratory analysis and semiconductor wafer processing.

Q3: What dimensional and surface tolerances can Hengyuan achieve for custom quartz balls?

Leveraging our proprietary single-batch grinding and polishing technologies, Hengyuan can deliver precision quartz glass balls with tight tolerances custom-tailored to your exact blueprints. We achieve precision grades up to ISO G5 / G10, ensuring impeccable sphericity, sub-micron diameter tolerances, and a scratch-free, optical-grade surface finish to minimize friction and light scattering.

Specification
Nominal Ball Diameters	0.4 – 50 mm
Maximum Allowable Deviation from Spherical Form (max)	< 0.25 μm
Maximum Allowable Variation of Ball Lot Diameter (max)	< 0.5 μm
Maximum Allowable Surface Roughness Ra (max)	< 0.02 μm
100% under microscopic inspection before delivery. 100% clean room inspection and packing.
Packing Method： – Clean Vacuum Plastic Bag – Clean Glass Bottle + Plastic Bag – Clean Waffle Tray