3 98g cm3 sapphire ingot

{"cid":"91221799","title":"Optical Grade Sapphire Al2O3 DSP 60\/40 Sapphire Windows 3.98g\/Cm3","imgUrl":"https:\/\/img.ismap.com\/nimg\/27\/3c\/60d1af561a94984f9e5f38a66bd8-200x200-1.jpg","attrs":{"Brand Name":"Jingjing","Minimum Order Quantity":"10 pcs","Delivery Time":"1-4 weeks","Place of Origin":"China","Payment Terms":"T\/T,Western Union,","Supply Ability":"100000 pcs\/Month","Packaging Details":"packed in Capacitor paper +Sponge paper+paper case","Certification":"ISO9001","Material":"Optical Grade sapphire","Purity":"99.999%","Hardness Mohs":"9","Density":"3.98g\/cm\u00b3","Melting point":"2045\u2103","Tolerance":"\u00b10.03mm","Surface quality":"DSP 60\/40 or better","Chamfer":"0.1-0.3mm*45\u00b0","Clear Aperture":"\uff1e90%","Parallelism":"\u22643 ARC Min"}}