BOCHU BOCI Cutting Head Upper Protective Lens D21.5*2, D25.4*4

• JGS1 High-Purity Fused Silica Substrate — Excellent thermal stability for continuous cutting at up to 15 kW, with strong thermal shock resistance to reduce the risk of cracking
• Double-Sided Hard AR Coating — High transmittance at 1064 nm minimizes laser energy loss, helping maintain cutting speed and edge quality
• Strong Coating Adhesion — Resists metal spatter and allows light cleaning, reducing lens burn spots and replacement costs
• Precision Optical Polishing — Tight dimensional tolerances ensure stable beam alignment while blocking slag and protecting internal focusing and collimating lenses
• Wide Material Compatibility — Suitable for sheet metal processing of carbon steel, stainless steel, and aluminum, from thin to medium/thick plates; a cost-effective consumable for everyday factory use