Cap and closures for 20 mm crimp cap vials. 2,59 € – 8,63 €. Aluminium caps and chlorobutyle closures for sample vials Ref. IVMN, IVMA. SKU: 388 Categories: Bottles and containers, Stoppers for bottles Tag: bb DOWNLOAD PRODUCT USER MANUALS, PRODUCT DATA SHEET AND PRODUCT SAFETY DATA SHEET. sales unit reference.