insulating single crystal al o washer

{"cid":"91184473","title":"Custom Sapphire Ring Washer \u2013 Wear-Resistant, Insulating Single-Crystal Al\u2082O\u2083 Component","imgUrl":"https:\/\/img.chinax.com\/nimg\/b9\/41\/e7a38099f77bc9a531b03fa2938e-200x200-1.jpg","attrs":{"Brand Name":"ZMSH","Minimum Order Quantity":"20","Delivery Time":"2-4 Weeks","Place of Origin":"SHANGHAI,CHINA","Payment Terms":"T\/T","Material":"Al\u2082O\u2083","Outer Diameter (OD)":"1 mm \u2013 600 mm","Inner Diameter (ID)":"Customized","Width \/ Length":"1 mm \u2013 600 mm","Tolerance (OD\/ID\/Length)":"\u00b10.05 mm","Thickness":"0.1 \u2013 100 mm","Thickness Tolerance":"\u00b10.01 mm","Surface Quality":"60\/40, 40\/20, 20\/10 S\/D optional","Surface Accuracy":"< 15\u03bb per inch","Chamfer":"< 0.25 \u00d7 45\u00b0","Coating":"Uncoated or customized"}}

{"cid":"91191224","title":"Cutting Edge Sapphire Tube EFG KY Method Optical Grade Al2O3 Crystal","imgUrl":"https:\/\/img.chinax.com\/nimg\/6c\/1d\/363d072911a80dc5914eb6bce8d1-200x200-1.jpg","attrs":{"Brand Name":"ZMSH","Model Number":"Polished Sapphire Tube","Minimum Order Quantity":"1piece","Delivery Time":"2-4 weeks","Certification":"RoHS","Place of Origin":"China","Payment Terms":"T\/T","Packaging Details":"Vacuum Package","Hardness":"9 Mohs","Class":"Hexagonal-scalenohedral","Melting Point":"2053\u00b0C (3727\u00b0F)","Maximum Useful Temperature":"2000\u00b0C","Density":"3.97 g\/cm\u00b3","Poisson's Ratio":"0.27 - 0.30"}}