Aluminium crimp caps, ND11 with central hole, 5,5 mm and septum. Supplier: VWR Collection. Description: VWR®, N/A, Chromatography vial closure, Aluminium, Ø: 11 mm, Type: Gold lacquered aluminium, Hardness: 45° shore A, Septum: Natural rubber red-orange/butyl red/TEF transparent, Thickness: 1,0 mm. ,548-0406EA,548-0010EA,548-0009EA,548-0444EA,