D18 ET2 1090nm 20KW Protective Window Laser Welding Germany Material

d18 et2 protective window for laser welding machines and high-power fiber laser welding systems. fused silica optic built for stable transmission and reliable protection in demanding welding applications. sits in front of the internal optics to shield the main lens system from fumes, dust, splash and welding spatter — helping maintain cleaner optics and longer service life.

size:

• diameter (d): 18 mm
• thickness (et): 2 mm
• quantity: 1 × protective window

spec:

• designed for fiber laser welding machine applications
• power handling: up to 20 kw in a correctly aligned and properly maintained welding system
• precise thickness and stable optical performance for reliable daily production use
• helps reduce contamination reaching the main internal optics
• suitable for high-duty and high-frequency welding environments

material:

• quartz fused silica — germany-sourced optics
• low absorption and good thermal stability under high power
• durable optical surface for dependable service life

use:

• protective window for laser welding machines
• helps shield internal optics from fumes, splash, dust and welding spatter
• supports more stable performance and helps reduce maintenance interruptions

compatibility:

• for laser welding systems that use round protective windows at d18 mm / et2 mm
• commonly used in many fiber laser welding machine designs and similar systems
• always confirm your original window diameter and thickness before ordering

quality:

• each window visually inspected before packing
• smooth edges and consistent finish for reliable production use
• packed carefully to help protect the optic during storage and handling

included:

• 1 × d18 mm et2 mm protective window

shipping:

• packed securely for safe delivery
• suitable for stocking as a replacement consumable for production and maintenance needs