Donghai Yukang Quartz Material Co., Ltd.  

Product Name: High Purity 99.998% Square Quartz Flange Model NO.: T067 Type: Quartz Application: Chemical Certification: ISO, SGS Purity: 99.99% Min Softening Point: 1683 Degree Annealing Point: 1215 Degree Defoamation Point: 1120 Degree Strain Point: 1110 Degree Coefficient of Thermal Expansion: 5.6*10-7 Thermal Conductance: 1.4 Comressive Strength: 1100 Tension Strength: 48 Dielectric Constant: 3.7 Trademark: yukang Transport Package: Outside Wooden Cases, Inside Carton Case with Foam Specification: as customer required Origin: Donghai, Jiangsu, China Product Description High Purity 99.998% Square Quartz Flange1, OEM is ok, as required2, low OH3, ISO 9001-20004, no bubble no airline5, resistance 1100 degree, 1000 long time workAdvantage of the quartz glasss tube:1. High temperature resistant, 1100 degree.2. Corrosion-resistant3. Good thermal stability4. Good transparency for light5. Good electrical insulationYour 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<1.0Spectraltransmissionat 1.0mmthicknessm m<22025528031535038590780%89919393939393.293.4PhysicalProperties(g/cc)Density20°Ckg.m-32.2DegreeofHardnessMoh'sScale5.5-5.6Softeningpoint(degree)1683Annealing point1215Defoamation Point1120