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Through Grinding and other Processings ZCQ can make tailor-made Quartz Flanges: Flange OD is from: 5mm to 500mmFlange ID is from: 1mm to 450mmFlange Thickness is from: 0.5mm to 550mmOther dimension unspecified herecould be in accord with customers' designs.Normal Usages of ZCQ Quartz Flange:(1) Mechanical Components, Environmental Protection Industry,(2) Plasma Processing Apparatus(3)Aerospace, Commercial Industrial(4) Military, Defense, Electronics(5) Instrumentation, Research & Development, Nuclear(6)Optical, Medical, Oil & Gas Lighting, Laser Equipment Security(7) Automotive, Audio/Video, Display Technology(8) Furniture Design, Lighting Technology(9) Military Technology, Office Automation, Projection Technology(10) Vandal Proof Systems, Semiconductor, High Temperature Lighting(11) Fiber OpticsSome Typical 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 QualitiesTechincal Information of Transparent Quartz Materials: Density: 2.203 g/cm3 Hardness: 7 (Modified Scale); 5.36.5 (Mohs Scale) Tensile strength: 48.3 MPa Compressive strength: >1.1 GPa Bulk modulus: 37 GPa Rigidity modulus: 31 GPa Young's modulus: 71.7 GPa Poisson's ratio: 0.16 Coefficient of thermal expansion: 5.5×10-7 cm/(cmK) (average from 20°C to 320°C) Thermal conductivity: 1.3 W/(mK) Heat capacity: 45.3 J/mol Softening point: c. 1730°C Annealing point: c. 1180°C Strain point: 1075°C Electrical resistivity: >1018 Ω×m Dielectric constant: 3.75 at 20°C 1 MHz Dielectric loss factor: less than 0.0004 at 20°C 1 MHz Index of refraction at 587.6 nm (nd): 1.4585 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 call us and send us email for an inquiry and try our services today.