1)With perfect heat-sealing effect, passing accelerated test and peeling force test, cover tape CT-458 is a great stable product and suitable for using carrier tapes made of Polystyrene.2)With anti-static properties on both sides, it has effective anti-static function for SMD components.3)Cover tape CT-458 is highly transparent and enough for in-pocket inspection.4)Meeting with RoHS 2011/65/EU standard, which include regulation of Cd, Pb, Hg, Cr+6, PBBs, PBDBs, PFOS and PFOA. In addition, it has passed Substances of Very High Concern (SVHC) screening. CT-458 is the best choice for SMD field.