Product Name: Clear Optical Circular Silica Quartz Glass Plate Model NO.: HB Coating: Polish Customized: Customized Certification: RoHS, ISO9001 Lenses Color: Clear Material: Quartz Glass Material Shape: Square Transmittance: >95% Type: Flat Lens Usage: Lighting, Medical, Optical Working Temperature: 1100c Edge: Can Be Flame Polished High Purity: >99.9% Surface Quantity: No Airline,No Bubbles Dimedion Tolerence: +/-0.01 --+/-0.2 Density: 2.2g/cm3 Trademark: HB, OEM Transport Package: Separated with Pearl Cotton+Wooden Box Packed Specification: RoHS Origin: Lianyungang Jiangsu HS Code: 7002209000 Product Description Clear Optical Circular Silica Quartz Glass PlateProduct Description Normal size:150*150*1/2/3/4/5/6/8/10 , 260*200*3mm, 100*100*0.5mm,20*20*0.5, 75*25*1/2/3mm and so on.Further process:We can do flame polishing, optical polishing, grind, general polishing, two sides polishing, one side polishing and the other side grind.Material propertiesBoth side polishedCan do flame polishingBroad Transmission SpectrumLow Thermal Expansion CoefficientVaulted quartz plate can work long time with 1100°Cclear quartz plate softening point:1730°C=3146°FAnnealing point:1180°C=2156°Fclear Vaulted quartz plate strain point:1075°C=1967°FNo bubble, no airlineHigh Corrosion Resistancetransmission of visible light>90%AlFeCaMgTiCuMnKNaLiCoNiB21.320.941.880.290.540.050.050.402.061.660.070.070.16Some date we supply:PurityTotal Impurities, including Al, Fe, Ca, Mg, Ti, Cu, Ni,Co, Mn, k, Na, Li, B<35ppmThermal DataAnnealing Point Strain Point Softening Point Melting Point Expansion Index1120°C 1210°C 1570°C 1730°C 5.5×10-7/°C Operation TemperatureShort-term Long-term1300°C 1100°CMechanical DataRigidity Modulus 3.1×104MpaDensity 2.2/cm3MohsHardness 6Young`s Modulus 7.2×104MpaCompression Strength 1.1×103MpaPoisson Ratio 0.17Elongation Strength 48MpaPackage Some date we supply:Synthetic wooden case padded with foams.We also received OEM service; the package can be designed according to your requirementsShipping:By vessel or by train from any Chinese port, Samples can be delivered by International express.Our Service 1, OEM service2, produce per customers' request such as design & package & printing logo3, special package for fragile products to make sure no broken in transportation4, The Trade Assurance Service is ready for you and our guarantee account is USD40000.5, 8 years golden supplier.6, 0% compain feedback.7, 100% good reputation.Company information HIGHBORN is one of the leading high quality quartz glass and precise ceramics manufacturer and supplier in China.HIGHBORN has always been a defining force in the sale and fabrication of quartz glass within the semi-conductor, chemical, solar Energy and precise ceramics within semi-conductor , solar energy, textile, electronic, and laser industries.Not only have we mastered the fabrication technology, our strength has always been based around listening to and understanding our customer's requirements and expectations.Continuous improvement in all areas of our business is key to our grouth. What is equally important to us is maintaining in business, our inherent family values of trust, faimess and respect to our employees, suppliers and customers.FAQ 1.Q:whether could supply the sample for test?A:could supply the sample for free if have the enough stoccks, also could customize based on your requirement if you are glad to paid the sample fee.2.Q:how to place the order?A:you could email to Joanna Li for the production,or chart on line, also could place the order on Aliexpress3.Q:how can i pay for you?A:T/T,L/C,Wester Union,Aliexpress and so on.4.Q:how about the delivery way:A:by air, by sea, by express or picked by yourself.