Why are there two numbers for your grit size? Each the ANSI grit standard inside the US as well as the FEPA grit standard in Europe relate to an average particle size, but use slightly different measurement methods. Another means of growing graphene would be thermally decomposing SiC at a https://www.facebook.com/permalink.php?story_fbid=pfbid02jAArigxVkBEZXSNgVpCS7cqWweu4SsWHBZ26UU6tFGHtNiqwE8ckgcEmqTbSGN2Ql&id=61562415773754&__cft__[0]=AZX_BCZxnuMA1RxyWH8Bi-yRF9rwBx5u2ktENoiePTkpV64ICIr_JRop4vSkPDmUoGBNflUdRhhpSW13o6UGYRfehZ8-b2vojIMg30gryCF9Mzo4bwUgCLHo2MwQoMfBixNe-zsGGziPDKIz3i-Rq-c4TRawaekylJ6ClA4SissJmPrO5RIMQ7_ChNUefQ0tN8eeVjVsfvJKOux6GoDA5scz&__tn__=%2CO%2CP-R