ZCQ supply our clients with various clearQuartzFlats:Quartz Plate, Disc, Panel, Sheet, Block,Thickness: from 0.1mm-300mmOutside dimension: Customer DesignPurity: Contain Sio2 99.95%-99.9999% Surface: Transparent or untransparentPurpose: Semicondutor, Optics, Electronics, Medical Treatment, Bioengineering, Laser IndustriesSome characteristics of Quartz: Very Low Coefficient of Thermal Expansion Resistance to High Temperature High Chemical Purity High Corrosion Resistance Extensive Optical Transmission from Ultra-Violet to Infra-Red Excellent Electrical Insulation Qualities ZCQ offers:1.High Purity Material 2.Quality Gurantee High Precision Manufacturing 3.Competitive Price 4.Good Delivery 5.Great Catagories6. No Minimum Order RestrictionPlease feel free to call us and send us email for an inquiry.