Bottle Caps

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).

Screw cap with cap liner sealing and high temperature and chemical resistance.

Screw cap with cap liner sealing and high temperature and chemical resistance.

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.

Easy to use and versatile range of caps requires no fittings

Blue PP GLS 80™ wide-mouth screw cap (plug seal) and drip free, PP pouring ring for GLS 80™ bottles

Flexible 2 or 3 port GL 45 screw cap for connection cap system

Accessory for 2 or 3 port GL 45 connection cap system

Ideal for chemically and thermally demanding processes, including hot-air sterilization up to 200°C. Meets FDA/USP/EP/JP requirements, making it suitable for the pharmaceutical industry. PTFE-coated silicone cap liner ensures a tight seal, ideal for long-term storage and transport.

Distinguishing media types is simplified and interchanging of screw caps and carry over of substances is effectively excluded.

Distinguishing media types is simplified.

Wide mouth GLS 80™ cap compatible with over head mixers.

A resusable connector GL 45 cap with two ports for connecting tubing.

Nalgene™ HDPE Tamper Evident Closures are specially designed for use with PET/PETG square media bottles.