# XINKEHUI — ZnSe Windows

> English product information for zinc selenide optical windows.
> Canonical planned URL: https://znse.xinkehui.com/

## Organization
- Name: shanghai xinkehui new materails co.,ltd
- Website: https://www.xinkehui.com/
- Email: risinn@xinkehui.cn
- Telephone and WhatsApp: +8613262879223
- Address: Room 1805, Building 1, Wanda Mall, 1079 Dianshanhu Avenue, Qingpu District, Shanghai, China.

## Product
- Name: ZnSe optical windows / zinc selenide windows
- Geometry for quotation review: round, square, rectangular; custom geometry subject to feasibility confirmation.
- Coating requirements for review: uncoated, wavelength-specific AR, broadband AR.
- Applications: CO2 laser beam delivery; infrared detector interfaces; FTIR and spectroscopy; compatible gas cells; pyrometry; research optics.
- ZnSe windows are not focusing lenses.

## Typical Bulk Material References
- Transmission range: approximately 0.6–21 micrometres.
- Refractive index: 2.4028 at 10.6 micrometres.
- Density: 5.27 g/cm3.
- Thermal conductivity: 18 W/(m K) at 298 K.
- Expansion coefficient: 7.1e-6 /K at 273 K.
- These are published bulk material data, not XINKEHUI batch certificates.
- Source: https://www.crystran.co.uk/optical-materials/zinc-selenide-znse
- Supplier product overview: https://www.xinkehui.com/inp-znse/

## Commercial Status and Limitations
- Price range: not published; request a quotation. No numeric price range is confirmed.
- Inventory / availability: unverified; contact the company before ordering.
- Lead time, tolerances, coating performance, damage threshold and inspection scope: confirmed in the quotation.
- No stock, certification, guaranteed transmission, universal laser-power rating or pressure rating should be inferred.
- Material range is not a finished-window transmission guarantee.
- This is a static site. The enquiry form prepares text only; visitors must send it through email or WhatsApp.

## Pages
- [Applications](https://znse.xinkehui.com/#applications)
- [Configurations](https://znse.xinkehui.com/#windows)
- [Technical specifications](https://znse.xinkehui.com/#specifications)
- [Company](https://znse.xinkehui.com/#about)
- [FAQ](https://znse.xinkehui.com/#faq)
- [Contact](https://znse.xinkehui.com/#contact)
- [Technical reference](https://znse.xinkehui.com/znse-technical-reference.txt)

## Quotation Brief
Provide name, company, email, phone, geometry, quantity, drawing dimensions, optical band, coating, incidence angle, polarization, laser load where applicable, environment, delivery destination and required acceptance tests.
Review SDS, compatible cleaning procedures and assembly-level pressure or laser safety before use.