OPTICAL POLYCARBONATE RESIN MOLDING MATERIAL AND OPTICAL DISC SUBSTRATE

摘要

PROBLEM TO BE SOLVED: To provide a polycarbonate resin pellet as an optical molding material, with a less generation of silver streak, capable of shortening a measure time at the time of molding and realizing a high cycle. SOLUTION: The optical polycarbonate resin molding material comprises the polycarbonate resin pellet of which a bulk density is 0.72 kg/L or higher.