BOCI (Bochu) Upper Protection Windows - Long Life Protection Glass - Ø21.5 × 2 mm

Name: BOCI (Bochu) Upper Protection Windows - Long Life Protection Glass - Ø21.5 × 2 mm
Brand: BOCI
SKU: PW-D21.5-T2-B
Price: 66.3 AUD
Availability: InStock
Rating: 5.0 (10 reviews)

Product SKU: PW-D21.5-T2-B

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Description
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Positioned above the sensitive internal lenses of Bochu (BOCI) BLT cutting heads, this long-life upper protective window demands exceptionally high standards of optical quality. The purity of the fused silica and the quality of the anti-reflective (AR) coating are critical, helping maintain reliable laser transmission while protecting the valuable optics beneath from contamination.

Precision-manufactured from high-purity fused silica with a premium AR coating, this window is designed for low optical absorption, dependable performance and extended service life. It is not intended for frequent replacement. When replacement becomes necessary, extreme care and clean handling conditions are essential to avoid contaminating or damaging the lenses below.

Specifications

Diameter	Ø21.5 mm
Thickness	2 mm
Material	High-purity fused silica
Coating	Premium anti-reflective (AR)
Position	Upper (above the lenses)
Service Life	Long life — infrequent replacement

Key Features

✓ High-purity fused silica for critical optical protection

✓ Premium AR coating helps minimise reflection and optical losses

✓ Positioned above sensitive lenses to help prevent contamination

✓ Low optical absorption supports reliable beam transmission

✓ Long-life design reduces the need for frequent replacement

✓ Designed for demanding industrial laser cutting applications

Compatibility: Bochu / BOCI BLT series cutting heads.

Important — Handling & Replacement: This is a long-life optical component and should only be replaced when necessary. Follow the cutting head manufacturer's maintenance instructions and work in a clean, dust-free environment. Wear clean gloves, handle the window by its edges and avoid all contact with the optical surfaces. Take particular care to protect the sensitive lenses beneath during removal and installation.

Every unit is inspected and quality-assured prior to shipment.

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