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BOROFLOAT® Borosilicate Windows are optical components made from high-quality borosilicate glass developed for applications requiring thermal stability, flatness, and chemical durability. Compared with standard soda-lime glass, BOROFLOAT® exhibits significantly lower thermal expansion, making it suitable for environments with rapid or repeated temperature changes.
Band Optics manufactures BOROFLOAT® Borosilicate Windows for OEMs, research laboratories, and system integrators that require reliable optical performance under thermal stress. These windows are commonly used as viewing ports, protective covers, and interface windows in optical and industrial systems. All products are delivered through a custom optics wholesale model, allowing complete control over dimensions, tolerances, and finishing.
By working directly with Band Optics via www.band-optics.com, customers receive engineering-level support from material selection to production scaling.
BOROFLOAT® Borosilicate Windows feature a very low coefficient of thermal expansion. This minimizes stress, warping, and optical distortion when exposed to heat, making them ideal for thermally demanding systems.
The float glass manufacturing process delivers excellent surface flatness and uniform thickness. BOROFLOAT® Borosilicate Windows provide high transmission across the visible and near-infrared spectrum for imaging and observation applications.
BOROFLOAT® glass offers strong resistance to chemicals, moisture, and environmental exposure. As a custom optics wholesale supplier, Band Optics can further tailor edge finishing and surface treatments for specific operating conditions.
BOROFLOAT® glass sheets are cut using CNC-controlled processes to achieve precise dimensions and tight tolerances. Custom shapes and thicknesses are supported.
Advanced polishing processes deliver smooth surfaces and controlled flatness. Each BOROFLOAT® Borosilicate Window is inspected for surface quality and dimensional accuracy.
Band Optics supports prototype development, pilot batches, and high-volume manufacturing. All workflows are optimized for repeatability and traceability within custom optics wholesale supply chains. Detailed capability information is available at www.band-optics.com.
BOROFLOAT® Borosilicate Windows produced by Band Optics are commonly used in:
Industrial viewing and inspection windows
Optical and laser system protection
Scientific and laboratory equipment
Thermal processing and furnace observation
Medical and analytical instruments
These applications benefit from thermal stability, optical clarity, and long service life.
| Parameter | Typical Range |
|---|---|
| Material | BOROFLOAT® Borosilicate Glass |
| Wavelength Range | 350–2500 nm |
| Thermal Expansion | ~3.25 × 10⁻⁶ /K |
| Operating Temperature | Up to 450 °C (short-term higher) |
| Surface Flatness | λ/5 @ 632.8 nm |
| Surface Quality | 60/40 or better |
| Thickness Range | 0.7 – 10 mm (custom) |
| Coating Options | Uncoated or AR (optional) |
In-house cutting, polishing, edge finishing, and inspection facilities ensure consistent quality and dimensional accuracy.
ISO-certified quality systems support process control, traceability, and compliance with international optical manufacturing standards.
Long-term partnerships with global OEMs, system integrators, and research organizations demonstrate reliability and technical depth.
They are used as optical or protective windows in systems that require thermal stability, chemical resistance, and good optical transmission.
BOROFLOAT® has much lower thermal expansion and better flatness, reducing stress and distortion under temperature changes.
Yes. Dimensions, thickness, surface quality, edge finishing, and optional coatings can all be customized.
No. All BOROFLOAT® Borosilicate Windows are produced exclusively under a custom and wholesale-only model.
Quality is ensured through controlled fabrication processes, optical inspection, and ISO-based quality management systems.
