co2 laser mirror: Material:Silicon Side1reflectivity:>99.8% Surface quality:20-10 Coating:MMR,EG,ES,PG co2 laser mirror specifications: MaterialSilicon,Mo Diameter Tolerance +0.0/-0.1mm Thickness Tolerance±0.1mm Surface Accuracy λ/4632.8nm Surface Quality20-10 Parallelism<1 are min Clear aperture>90% Bevelling0.2×45° CoatingMMR,EG,ES,PG The parameter for co2 laser mirror Part No.MaterialDiameter( ...