vacuum tight 99 5 alumina ceramic parts

{"cid":"91201329","title":"Vacuum Tight Non Porous 99.5% Alumina Ceramic Components","imgUrl":"https:\/\/img.chinax.com\/nimg\/e1\/22\/af96d8118ae086f145080d6a8dd1-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"Antaeus","Model Number":"AD-A017","Minimum Order Quantity":"Negotiation","Delivery Time":"15-45 days","Certification":"\/","Place of Origin":"Hunan,China","Payment Terms":"T\/T or Negotiation","Supply Ability":"Full Supply","Packaging Details":"Inner vacuum packaging, outside carton.","Chemical ingredients":"Al2O3","Max. Use Temp.":"1650\u2103","Bulk Density":"3.6g\/cm3-3.9g\/cm3","Water absorption":"0%","ROHS Hardness":"\u226585","Flexural strength":"358(52) - 550 Mpa(psix10^3)","Compressive Strength":"2068(300) - 2600(377) Mpa(psix10^3)","Coefficient of thermal expansion":"7.6 - 8.2 \/ 1X10^-6\/\u2103","Coefficient of thermal conductivity":"16-30.4 \/ W\/m.K","Thermal Shock Resistance":"250\u2103","Dielectricity constant":"9-9.7 \/ 1MHz.25\u2103","Dielectric strength":"8.3(210) - 8.7(220) \/ ac-kV\/mm(ac V\/mil)","Volume Resistivity":">10^13 ohm-cm"}}