Laser Protective Glass

We offer protective windows for fiber, disk and diode lasers ensuring a wide bandwidth of laser beam (above 99.5%) for both wavelengths in the range of 900 – 1080nm (for process beam) and 600 – 700nm (for quality control systems).

Contrakt-materials products work in lasers for: cutting, welding, cladding and even laser hardening, where laser power often reaches 12 kW.

    In our warehouse in Katowice, we have about, 6,000 protective windows, and the delivery time is in the range of 24-48h.

    Our glasses can be used in leading machines manufacturers such as:

    • Trumpf,
    • Amada,
    • Bystronic,
    • Highyag,
    • Scansonic,
    • Optoscan,
    • Blackbird,
    • LaserMech,
    • and many more.

    Our clients are companies from automotive industry (OEM, Tier 1, Tier 2), energy sector, machine construction and railway industries. We keep most of our products on stock in Katowice, so we could provide shipping within two business days.

    Please find below selected protective windows sizes:


    An example of a wave permeability curve of different length expressed as a percentage:


    Our offer

    • Laser Protective Glass
    • Cutter nozzles
    • Ceramic rings
    • Laser Welding Devices
    • Laser Welding Process Consultancy
    • Laser cutting
    • Press bending
    • Laser Hardening

    This site is registered on as a development site.