NOVEL DEVICE

摘要

A novel elastomer material having an absorption coefficient for laser light of 0.5 - 2.5 mm-1, preferably being a base thermoplastic elastomer compounded with a colourant which comprises a Pantone 4597C pigment mixed with a carrie r material. The elastomer is suited for use as a pharmaceutical vial closure which can be punctured by a filling needle and the puncture hole heat sealed by a focused laser.