DescriptionDURAN® Screw-caps, GL 45, PBT, closed, red, without seal, for DURAN® laboratory glass bottles with DIN thread SpecificationsFeaturesDocuments DURAN® Screw-caps, GL 45, PBT, closed, red, without seal, for DURAN® laboratory glass bottles with DIN thread Material PBT Colour Rood For chemical and thermal resistance, see our chemical and thermal resistance page.