Application:used in electronic, instrument, medical, spinning machine, etcSurface Treatment:PolishedShape:RectangularTechnique:ExtrudedGrade:2000 SeriesHardness:90~105Alloy Or Not:Is AlloyAl (Min):99%Temper:T3 - T8Executive standard:GB T3191-2010Certificate of analysis:GB T3190-2006