✅ High-purity quartz substrate with excellent thermal stability; ✅ High damage threshold, making it resistant to chipping; ✅ Fine spot size, resulting in aesthetically pleasing welds
Specifications:
Diameter 20 mm, thickness 4.5 mm, focal length F150/F200 JGS1 Fused Quartz 1064 nm Double-sided AR coating Transmittance > 99.9% Suitable for handheld welding
