aluminum (1)ALLOY:3003,1100,1050,1060,1070,5052,8011 (2)TEMPER:H12,H14,H16,H18,H22,H24,H26,O aluminum(1)ALLOY:3003,1100,1050,1060,1070,5052,8011(2)TEMPER:H12,H14,H16,H18,H22,H24,H26,O (3)PACKAGE:WHITE PAPER BETWEEN TWO SHEETS,THEN PACKED IN PLASTIC BAG,THEN PUT ON PALLET ,WITH WOODEN BOX. aluminum plate