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Bottle Caps

Bottle caps provide an air-tight seal that ensures that a bottle’s contents are leak- and spill-proof, resistant to temperature and that the bottle can be moved. The most ubiquitous style is the threaded screw cap. Caps are available in different sizes and colors and can be specialized for the type of container they sit upon. Popular cap materials include phenolic plastic, polypropylene and PTFE. Bottle caps can be lined with additional material and can be found in solid design or open design, which calls for a septa or insert for complete closure.
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121 – 135 of 1,580 results
121

DWK Life Sciences WHEATON™ Polypropylene Caps for WHEATON™ Dropping Bottles, Red
SDP

WHEATON™ Polypropylene Caps for WHEATON™ Dropping Bottles - Red are screw caps made of radiation grade polypropylene, available in multiple sizes and packaged in cases of 100 or 1000 for convenient laboratory use.

Color Red
Material Polypropylene
Certifications/Compliance ISO 9001
122

DWK Life Sciences KIMBLE™ KONTES™ PTFE Replacement Plug for Economy 3-Hole Ultra-Ware Delivery Cap
SDP

The KIMBLE™ KONTES™ PTFE Replacement Plug for Economy 3-Hole Ultra-Ware Delivery Cap is a precision-fit accessory designed to maintain a secure, chemical-resistant seal in Ultra-Ware delivery cap assemblies.

123

DWK Life Sciences WHEATON™ Redi-Cap™ Phenolic Screw Caps for Redi-Pak™ Containers
SDP

WHEATON™ Redi-Cap™ Phenolic Screw Caps for Redi-Pak™ Containers feature a unique cone liner design with a Poly-Seal LDPE liner that provides a two-part seal for superior torque retention and excellent sealing characteristics. Ideal for sample storage and re-sealing.

For Use With (Equipment) Redi-pak™ container
Color Black
Closure Liner Polyseal
No. per Case 144 Cs.
Material Phenolic Resin
Certifications/Compliance ISO 9001
124

DWK Life Sciences DURAN™ Tamper Evident Screw Cap, PP, for Laboratory Bottles, with DIN 168-1 Thread, Plug Sealing
SDP

DURAN™ Tamper Evident Screw Cap, PP, for Laboratory Bottles, with DIN 168-1 Thread, Plug Sealing. Integral tear ring confirms first opening; cap continues to function as a standard screw cap after initial removal. GL 45 thread.

125

DWK Life Sciences WHEATON™ Green Starline Polypropylene Caps for Redi-Pak™ Narrow-Mouth Containers
SDP

WHEATON™ Green Starline Polypropylene Caps for Redi-Pak™ Narrow-Mouth Containers are linerless polypropylene screw caps designed for use with WHEATON™ Leak Resistant Narrow Mouth Bottles. Autoclavable and available in multiple sizes for a secure, leak-resistant seal.

For Use With (Equipment) Redi-pak™ leak resistant narrow mouth bottle
Product Type Polypropylene Cap
Color Green
Material Polypropylene
Certifications/Compliance ISO 9001
126

DWK Life Sciences WHEATON™ Low-Density Extended Controlled Dropper Tips 13 mm
SDP

WHEATON™ Low-Density Extended Controlled Dropper Tips (13 mm) are made of LDPE and dispense one drop at a time with an average drop size of 44μL ±6μL. Available in multiple colors, these 13mm tips offer reliable, repeatable dispensing for biotech, diagnostic, and pharmaceutical use.

Drop Size 41 μL
For Use With (Equipment) Plastic dropping bottle
Product Type Dropper Tip
Certifications/Compliance ISO 9001
127

DWK Life Sciences KIMBLE™ KONTES™ HPLC Ultra-Ware™ Standard Three-Valve Delivery Cap and Parts
SDP

KIMBLE™ KONTES™ HPLC Ultra-Ware™ Standard Three-Valve Delivery Cap and Parts include a GL 45 three-valve cap and replacement components. Valve bodies are PTFE, stems are CTFE, and valves feature 0.25 to 28 threads for reliable HPLC solvent delivery.

For Use With (Equipment) Ultra-ware™ standard three valve cap system
No. per Case 1 Cs.
128

DWK Life Sciences WHEATON™ 48-400 Polypropylene Caps, Unlined
SDP

WHEATON™ 48-400 Polypropylene Caps, Unlined are white, unlined polypropylene caps compatible with WHEATON™ screw cap bottles and vials. Featuring a 48mm outer diameter and GSI 400 thread finish, sold in cases of 1700.

129

DWK Life Sciences WHEATON™ Polypropylene Caps For WHEATON™ Dropping Bottles, Green
SDP

WHEATON™ Polypropylene Caps For WHEATON™ Dropping Bottles - Green are radiation grade polypropylene screw caps designed for use with WHEATON™ Dropping Bottles. Available in multiple sizes and pack quantities to suit laboratory needs.

Product Type Polypropylene Cap
Color Purple
Material Polypropylene
Certifications/Compliance ISO 9001
130

DWK Life Sciences DURAN™ Open Topped Screw Cap, Central Aperture, Red PBT
SDP

The DURAN™ Open Topped Screw Cap, Central Aperture, Red PBT features an open top with central aperture for use with bromobutyl stoppers, silicone piercing septa or glassware connections. Made from glass-reinforced red PBT for excellent temperature and chemical resistance.

Product Type Open Top Screw Cap
Color Red
Quantity 10/Pk.
Screw Material Polybutylene Terephthalate (PBT) with glass fiber
Material PBT
Autoclavable Autoclavable
For Use With (Application) Aseptic reagent delivery and culture sampling using a syringe and needle
Closure Material PBT with Glass Fiber
131

DWK Life Sciences WHEATON™ Polypropylene Caps for Lab 45 Graduated Bottles
SDP

WHEATON™ Polypropylene Caps for Lab 45 Graduated Bottles are replacement caps designed for Lab 45 media bottles. Featuring a 45mm screw thread, polypropylene construction, and autoclavable design, they are available in multiple colors and liner configurations.

For Use With (Equipment) Lab 45 graduated bottle
No. per Case 12 Cs.
Material Polypropylene
Certifications/Compliance ISO 9001
Autoclavable Autoclavable
132

DWK Life Sciences DURAN™ TILT GL 56 Screw Cap
SDP

The DURAN™ TILT GL 56 Screw Cap is made of polypropylene and is designed for use with DURAN™ TILT GL 56 bottles, providing a secure, reliable closure for laboratory storage and handling applications.

133

DWK Life Sciences DURAN™ GL 45 Thread Adaptor for Bottle Top Vacuum Filtration Unit
SDP

DURAN™ GL 45 Thread Adaptor for Bottle Top Vacuum Filtration Unit. The DURAN™ GL 45 Thread Adaptor for Bottle Top Vacuum Filtration Unit connects GL 45 external to GL 56 internal threads. Made from PTFE, this white adaptor is an essential accessory for DURAN™ bottle top vacuum filtration setups

134

DWK Life Sciences KIMBLE™ KONTES™ Storage Caps for HPLC Ultra-Ware Plastic-Coated Conical Bottom Reservoirs
SDP

KIMBLE™ KONTES™ Storage Caps for HPLC Ultra-Ware Plastic-Coated Conical Bottom Reservoirs provide a secure seal for GL 45 threaded conical bottom reservoirs used in liquid chromatography mobile phase preparation, storage, and delivery.

135

Thermo Scientific™ Nalgene™ Colored Polypropylene Closures: Bulk Pack
GREENER_CHOICE

Eliminate spills with these one-piece, colored, polypropylene closures, which fit narrow-mouth 4mL bottles.

Height (Metric) 8 mm
Shape Round
Description Nalgene Colored Closures
Thread Size (Metric) 13-415
No. per Case 2,000
Material Polypropylene
For Use With (Equipment) Nalgene narrow-mouth 4mL bottles
Product Type Screw Cap
Diameter (Metric) 16 mm (Outer)
Mouth Narrow
Packaging Bulk
Certifications/Compliance Manufactured in compliance with ISO 13485:2016 quality requirements. Closures meet FDA CFR21 177.1520 for food and beverage use, USP Class VI. Meet the requirements of light-resistant containers per USP latest edition when used with opaque bottles.
No. per Pack 2000
Liner Material Unlined
Height (English) 0.315 in.