Bottle Caps
Thermo Scientific™ Nalgene™ Septum Closures: Sterile, Bulk Pack, 38-430mm
Combine elastomeric sealing of silicone with nonreactive PTFE reagent contact surfaces in these septum closures for media bottles.
DWK Life Sciences KIMBLE™ Phenolic Caps with PTFE-Faced LDPE Foam Liners
KIMBLE™ Phenolic Caps with PTFE-Faced LDPE Foam Liners provide excellent chemical and solvent resistance for general purpose use. Black phenolic construction with compressible PTFE-faced LDPE foam liner ensures a reliable, resealable seal. Not autoclavable.
DWK Life Sciences WHEATON™ Black Phenolic Open Top Cap with Gray Butyl Septa and Flange
WHEATON™ Black Phenolic Open Top Cap with Gray Butyl Septa and Flange is a replacement screw cap for WHEATON™ media bottles. Features an open top design with gray chlorobutyl septa and flange, and is autoclavable for repeated laboratory use.
DWK Life Sciences KIMBLE™ Phenolic Caps with Solid PE Liners
KIMBLE™ Phenolic Caps with Solid PE Liners are general purpose black phenolic screw caps featuring a solid polyethylene liner. Ideal for strong acid or base samples, they offer good resistance to acids, alcohols, alkalis, aqueous solutions, oils, and solvents.
Thermo Scientific™ Nalgene™ Colored Polypropylene Closures with 24-415 Finish
Ensure leakproof performance with these colored, polypropylene closures with 24-415 finish. Closures are one-piece and linerless with integrally molded seal ring.
Thermo Scientific™ Nalgene™ Colored Polypropylene Closures with 38-430 Finish
Ensure leakproof performance with these colored, polypropylene closures with 38-430 finish. Closures are one-piece and linerless with integrally molded seal ring.
DWK Life Sciences WHEATON™ White Polypropylene Caps with Polyvinyl Liners
WHEATON™ White Polypropylene Caps with Polyvinyl Liners are compatible with mild acids, alkalis, solvents, alcohols, oils and aqueous products. The white polypropylene cap provides a clear surface for labelling, while the poly-vinyl liner delivers an excellent moisture barrier.
DWK Life Sciences KIMBLE™ GL 45 Polypropylene Replacement Caps and Pour Rings
KIMBLE™ GL 45 Polypropylene Replacement Caps and Pour Rings are designed to fit GL 45 threaded media bottles and flasks. Available as autoclavable solid top screw thread caps or drip-free clear pour rings, both rated to a maximum temperature of 140°C.
Thermo Scientific™ Heat-Shrink Bands for Nalgene™ PETG Media Bottles
Ensure the integrity of bottle contents with these tamper-resistant seals. Heat-shrink bands are gamma stable and include a perforated tear strip feature for easy removal.
Fisherbrand™ Black Smooth Sided Mineral Filled Phenolic Cap with Rubber Liner
The Black Smooth Sided Mineral Filled Phenolic Cap with Rubber Liner is a black phenolic screw cap featuring smooth sides and a cemented rubber liner to ensure a reliable, tight seal for laboratory sample storage and resealing.
DWK Life Sciences DURAN™ Laboratory Tamper-Evident Screw Caps
DURAN™ Laboratory Tamper-Evident Screw Caps provide secure closure with a tear-away retaining ring that confirms first opening. Available with lip seal or PTFE coated silicone seal. After initial removal, the cap functions as a standard screw cap.
DWK Life Sciences KIMBLE™ Phenolic Caps with Tinfoil Liners
KIMBLE™ Phenolic Caps with Tinfoil Liners are economical black phenolic screw caps ideal for environmental sampling and general purpose use. Good chemical resistance to mild acids, alkalis, alcohols, aqueous solutions, oils and solvents. Not autoclavable.
DWK Life Sciences WHEATON™ Polypropylene Caps for WHEATON™ Dropping Bottles, Pink
WHEATON™ Polypropylene Caps for WHEATON™ Dropping Bottles - Pink are screw caps made of radiation grade polypropylene, available in multiple sizes and packaged in cases of 100 or 1000 for convenient laboratory use.
DWK Life Sciences WHEATON™ Low-Density Extended Controlled Dropper Tips
WHEATON™ Low-Density Extended Controlled Dropper Tips are made of LDPE (Low Density Polyethylene) and dispense one drop at a time for precise liquid delivery. Available in multiple tip sizes and colors, with an average drop size of 44μL ±6μL.