2 400mm od sapphire efg tube

{"cid":"91184473","title":"Kyropoulos-Grown Sapphire Tube 2\u2013400mm OD for High Temperature Optical and Industrial Applications","imgUrl":"https:\/\/img.chinax.com\/nimg\/15\/a7\/3e3bdf16e5f0276c6099e25dd3a3-200x200-1.jpg","attrs":{"Brand Name":"ZMSH","Minimum Order Quantity":"1","Delivery Time":"2-4 Weeks","Place of Origin":"SHANGHAI,CHINA","Payment Terms":"T\/T","Outer Diameter (OD)":"\u03a61.5 \u2013 400 mm","Inner Diameter (ID)":"\u03a60.5 \u2013 300 mm","Length":"2 \u2013 800 mm","Wall Thickness":"0.5 \u2013 300 mm","Tolerance":"\u00b10.02 \u2013 \u00b10.1 mm","Surface Quality (Roughness)":"40\/20 \u2013 80\/50","Melting Point":"1900\u00b0C","Density":"3.97 g\/cm\u00b3","Hardness":"22.5 GPa","Flexural Strength":"690 MPa","Dielectric Strength":"48 AC V\/mm","Dielectric Constant":"9.3 @1 MHz","Volume Resistivity":"10\u00b9\u2074 \u03a9\u00b7cm","Material":"Single Crystal Sapphire (Al\u2082O\u2083 > 99.99%)","Growth Method":"Kyropoulos-Grown"}}