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Bottle Caps
Caps in a range of styles, sizes, colors, and material compositions that provide a leak-proof, spill-proof barrier for bottles during storage and transportation. Products are compatible with a variety of bottle types and include screw caps and pour spout caps.
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Combine the elastomeric sealing of silicone with nonreactive polytetrafluoroethylene reagent contact surfaces in Thermo Scientific™ Nalgene™ Septum Closures, for use with Nalgene™ Sterile PET & PETG media bottles.
Seal PET/PETG square media bottles with Thermo Scientific™ Nalgene™ HDPE Closures, which provide a reliable and leakproof† seal. These reliable, high-density polyethylene closures are gamma irradiated to provide a 10-6 Sterility Assurance Level (SAL).
Ensure the integrity of bottle contents with Thermo Scientific™ Heat-Shrink Bands for Thermo Scientific™ Nalgene™ PETG Media Bottles. Simply apply the recommended application torque for Thermo Scientific Nalgene closures and slide the heat-shrink band over the closure and bottle neck.
Nalgene™ HDPE Tamper Evident Closures are specially designed for use with PET/PETG square media bottles.
Order Thermo Scientific™ Nalgene™ Closures for Dropper Bottles to complete the Nalgene Dropper Bottle System. Closures fit dropper bottles Cat. Nos. 312750 and 31275, and are available in multiple colors to help identify reagents.
Ensure leakproof† performance with Thermo Scientific™ Nalgene™ colored closures — one piece and linerless with integrally molded seal ring. The opaque closures protect contents from UV light when used with opaque bottles.
High leak tightness through use of PTFE coated silicone seal. More chemically resistant than PP screw cap.
Has good resistance to alcohols, hydrocarbons, ketones, oils; not recommended for acids and alkalis.
Cap provides good chemical resistance to mild acids, alkalis, alcohols, aqueous solutions, oils and solvents.
Suitable for storage and containment of volatile solvents, sensitive compounds or corrosive chemicals
Designed to ensure the ultimate in product safety
Screw cap with cap liner sealing and high temperature and chemical resistance.
Screw cap with cap liner sealing and high temperature and chemical resistance.