Rubber Stoppers Kyuionty 22 Pack Lab Plug – Black Assorted Sizes

Description

Product Overview

The Kyuionty 22-pack rubber stoppers are engineered to meet the demanding needs of modern laboratories, educational institutions, and industrial environments. Each stopper is crafted from premium-grade black rubber that delivers exceptional elasticity, chemical resistance, and a snug fit that prevents any leakage or vapor escape. The collection includes ten distinct sizes, ranging from the smallest #000 to the larger #7, ensuring that users have the precise fit for a wide variety of glassware, including test tubes, flasks, vials, and specialized containers. The stoppers are designed with a tapered profile that matches standard laboratory test tube dimensions, providing a secure seal without the need for additional clamps or adhesives. With a total of 22 pieces, the pack offers a balanced assortment: five #000, three #00, two #0, and two each of sizes #1 through #5, plus one each of #6 and #7. This thoughtful distribution enables laboratories to maintain an inventory that can accommodate routine experiments, emergency replacements, and specialized protocols. The product dimensions of the packaging are compact—5.83 x 4.84 x 1.5 inches—making storage simple and space-efficient. Weighing only 7.05 ounces, the pack is lightweight yet robust, facilitating easy handling during daily lab operations. The stoppers are compatible with a broad spectrum of chemical reagents, solvents, and biological samples, offering a reliable barrier that protects both the contents and the user from potential exposure. The Kyuionty brand, known for its commitment to quality and precision, ensures that each stopper undergoes rigorous testing for dimensional accuracy, compression set, and durability, guaranteeing consistent performance across thousands of uses.

Usage

These rubber stoppers excel in a multitude of practical scenarios. In academic laboratories, they are indispensable for chemistry classes where students conduct titration, distillation, and chromatography experiments that require airtight containment. The stoppers’ reliable seal prevents the escape of volatile compounds, safeguarding both the experimental integrity and the safety of the participants. In research facilities, the stoppers are employed to secure reaction vessels during prolonged incubations, ensuring that temperature and pressure conditions remain stable over extended periods. Their chemical inertness makes them suitable for use with acids, bases, organic solvents, and biological media without degradation. In industrial settings, the stoppers serve as effective plugs for sampling ports, quality control chambers, and small-scale pilot reactors, where maintaining a contaminant‑free environment is critical. Home hobbyists who engage in small‑scale brewing, fermentation, or DIY chemistry also benefit from the ease of use and dependable sealing offered by these stoppers. The assorted size range means that users can quickly select the appropriate stopper for any container, reducing downtime and eliminating the need for multiple single‑size purchases. Moreover, the black coloration provides a visual cue that helps differentiate these stoppers from other colored accessories, streamlining workflow in busy lab environments. Whether you are conducting routine analyses, preparing samples for microscopy, or setting up a controlled atmosphere experiment, these stoppers deliver consistent performance that you can trust.

Why Choose Us

Choosing Kyuionty means selecting a partner that prioritizes quality, reliability, and customer satisfaction. Our rubber stoppers are manufactured using a proprietary formulation that balances hardness and flexibility, delivering a product that resists cracking under repeated compression while maintaining a tight seal. Each batch undergoes strict quality control protocols, including dimensional verification, compression set testing, and chemical resistance assessment, ensuring that every stopper meets the exacting standards expected by professional scientists. The 22‑pack assortment is thoughtfully curated to provide comprehensive coverage of common laboratory sizes, reducing the need for multiple orders and minimizing inventory overhead. Kyuionty also offers responsive after‑sales support; our technical team is available to answer product‑related inquiries, provide usage guidance, and assist with any concerns that may arise during the product lifecycle. We stand behind our products with a satisfaction guarantee, reflecting our confidence in the durability and performance of our rubber stoppers. By investing in Kyuionty stoppers, laboratories benefit from reduced downtime, lower risk of sample contamination, and a cost‑effective solution that delivers long‑term value. Our commitment to continuous improvement means that we regularly incorporate user feedback into product enhancements, ensuring that our offerings evolve alongside the advancing needs of the scientific community.

Key Features

• Premium black rubber provides excellent chemical resistance and a tight seal.
• Ten assorted sizes from #000 to #7 cover a wide range of laboratory glassware.
• Tapered design fits standard test tubes without additional clamps.
• Compact 22‑pack reduces storage space and simplifies inventory management.
• Dedicated Kyuionty customer support ensures assistance and satisfaction.

FAQ

What materials are the stoppers compatible with?

The black rubber material is inert to most common laboratory chemicals, including acids, bases, organic solvents, and biological media, making it suitable for a broad spectrum of applications.

Can these stoppers be used for high‑temperature applications?

Yes, the rubber formulation tolerates temperatures up to approximately 120°C (248°F) for short periods, allowing use in many heating processes such as reflux or incubation.

How do I select the correct size for my container?

Measure the inner diameter of the container’s opening and compare it to the size chart provided by Kyuionty. The tapered design ensures a snug fit when the stopper’s nominal size matches the container’s diameter.

What is the return policy if the product does not meet my expectations?

Kyuionty offers a 30‑day return window for unopened packs. If you encounter any issues, contact our support team for a replacement or refund, subject to verification of the product condition.

Are the stoppers reusable after cleaning?

Yes, the rubber stoppers can be cleaned with mild soap and water or appropriate solvents. After thorough drying, they retain their sealing properties for repeated use.