Stoppers

SJ Neck Stoppers - Glass, Cork, Rubber and Plastic Stoppers

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Ground Glass Stopper
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Ground Glass Stopper

The ground glass stoppers provide a precise seal for jars, bottles, and flasks, thanks to their standardized fit.
Featuring a hollow design and hexagonal head, they maximize liquid recovery and ensure a secure grip. Available in various capacities to suit your laboratory needs.

Price €2.55
€2.11 Tax excl.
Plastic Stopper
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Plastic Stopper

Enhance safety and accuracy in your laboratory with our polyethylene stopper
Designed to fit ground glass joint systems, it offers optimal sealing. Made from high-density polyethylene, it withstands autoclaving up to 135°C. Available in multiple standardized sizes.

Price €0.97
€0.80 Tax excl.
PTFE Stopper for Ground Glass Joint
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PTFE Stopper for Ground Glass Joint

The PTFE stopper with ground glass is ideal for laboratory applications requiring exceptional thermal resistance
This product withstands extreme temperatures, ranging from -270°C to 270°C, making it the perfect choice for demanding experiments and chemical processes. Its virtually inert material ensures it does not react with chemicals, guaranteeing precise and reliable results. Optimize your laboratory procedures with this specialized stopper. Add it to your cart today.

Price €7.87
€6.50 Tax excl.
Rubber Stoppers
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Rubber Stoppers

Red compact rubber stopper without hole for flasks, measuring cylinder and test tubes, among others.
Our laboratory rubber stoppers, manufactured in the EU, comply with DIN 12871 and ISO 4632/1 standards. They offer excellent chemical and thermal resistance, maintaining stability between -50°C and +90°C. Available in various sizes, they are perfect for multiple applications.

Price €0.47
€0.39 Tax excl.
Silicone Septum for 20mm Vials
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Silicone Septum for 20mm Vials

13 mm silicone septum for injection vial with 20 mm diameter neck
The silicone septum for injection vials is crucial to prevent contamination during sample handling. Compatible with standard glass vials, it allows safe needle penetration and ensures an airtight seal alongside the aluminum cap. Ideal for laboratories and chemical analysis.

Price €0.12
€0.10 Tax excl.
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