1,High density >99% 2,High corrosion and heat resistance 3,Surface and tolerance: Low crude salvation 4,ISO9001:2008 Item NameHigh Pure aluminum silicon TargetPurity 99.99% ShapeSquare /round, according to your requestAvailable sizeRound: dia 25~250mmRectangular: length up to 1500mm Customization is availableImpurity contentlower than 100ppmCertificatesISO9001:2008, SGS, the third test ...