Product Name: Jgs1 Clear Optical Quartz Plate /Sheet Model NO.: p1 Type: Quartz Application: Semiconductor,Chemical,Electricity Certification: ISO, SGS Purity: 99.99% Min Softening Point: 1683 Degree Annealing Point: 1215 Degree Defoamation Point: 1120 Degree Density: 2.2X103 Kg/M3 Hardness: 5.5 - 6.5 Mohs' Scale 570 Khn 100 Design Tensile Strength: 4.8X107 PA (N/M2) (7000 Psi) Design Compressive Strength: Greater Than 1.1 X L09 PA (160,000 Psi)SMD 5730 Bulk Modulus: 3.7X1010 PA (5.3X106 Psi) Rigidity Modulus: 3.1X1010 PA (4.5X106 Psi) Trademark: yukang Transport Package: Outside Wooden Cases, Inside Carton Case with Foam Specification: as customer required Origin: Donghai, Jiangsu, China Product Description JGS1 Clear Optical Quartz Plate/Sheet1, quartz glass plate/sheet2, Broad Transmission Spectrum3, Resistance 1100 degree4, no bubble tight size5, ISO 9001-2000Advantage of the quartz glass plate:1. High temperature resistant, 1100 degree.2. Corrosion-resistant3. Good thermal stability4. Good transparency for light5. Good electrical insulationSpecification:Dimension tolerance: +/-0.01 - +/-0.2mmThickness 0.8-30mmTransmittance: 90% minYour design and drawing are accepted, we can make as your requirement. Waitting for your special specification to offer.Chemical CompositionALFeKNaLiCaMgCuMnCrBTi5-120.19-1.50.71-1.60.12-1.760.38-0.760.17-1.230.05-0.50.050.05<0.05<0.1<1.0S pectraltransmissionat 1.0mmthicknessm m<22025528031535038590780%89919393939393.293.4PhysicalProperties(g/cc)Density20°Ckg.m-32.2DegreeofHardnessMoh'sScale5.5-5.6Softeningpoint(degree)1683Annealing point1215Defoamation Point1120