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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
Supported languages: English
（6）We have manuals and CDs (guide videos) for software installation
thereby improving the life of the power supply
1: Cool the laser head and blow away the residue from the lens
Hunst China CO2 ZnSe Focus Lens Dia.12 18 19.05 20mm FL38.1 50.8 63.5mm for Laser Engraving Cutting Machine Spare Parts $100 - $400 Supported languages: EnglishHigh quality ZnSe crystal: China PVD ZnSe material, Excellent optical properties, Up to 200W CO2 laser resistance. Superb coating process: Double sided solid coating, reduces laser loss, laser transmittance up to 99. 8%High precision process: Eccellent substrate Precise sling, polishing grinding processes, high temperature, laser resistance. 1. Use an air bulb to blow off any loose contaminants.(dust,lint particles) 2. Squeeze a few drops of acetone
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