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Rubber Stoppers 9 Pack Model 6 Black Lab Plug 33x25x28mm – Enjoyist

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Rubber Stoppers 9 Pack Model 6 Black Lab Plug 33x25x28mm - Enjoyist-0

MECCANIXITY Silicone Rubber Solid Plug Soft Flexible Stoppers for 12-12.5mm Hole White 24 Pieces

Price range: $6.64 through $9.79

The MECCANIXITY silicone rubber solid plug offers a reliable seal for laboratory flasks, bottles, and household containers. Its soft, flexible design fits 12‑12.5 mm holes perfectly, while the high‑temperature resistant silicone endures up to 600 °F, ensuring durability in demanding environments. Packaged in a convenient 24‑piece white set, these stoppers provide easy installation and removal without tools.

SKU: CJRJGPB0D6ZM Category:
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Description

Product Overview

The MECCANIXITY Silicone Rubber Solid Plug is engineered to deliver a dependable seal across a wide range of applications, from scientific laboratory glassware to everyday kitchen containers. Crafted from high‑grade silicone rubber, each plug combines softness with resilience, allowing it to conform snugly to holes ranging from 12 mm to 12.5 mm while maintaining a tight, leak‑free barrier. The material exhibits excellent chemical resistance, standing up to acids, bases, and solvents commonly encountered in lab environments. Additionally, the silicone can tolerate short‑term exposure to temperatures as high as 600 °F (315 °C), making it suitable for processes that involve heating or sterilization. The T‑shaped design provides a larger top diameter (approximately 16 mm) for easy handling, while the lower profile (about 12.8 mm in height) fits discreetly into standard bottle necks and flask openings. Each package contains 24 white plugs, offering a cost‑effective solution for bulk users and ensuring you always have the right size on hand.

Usage

These silicone plugs excel in laboratory settings where a secure, chemical‑resistant seal is essential. They are ideal for sealing reaction vessels, storage bottles, and distillation apparatuses, preventing evaporation and contamination. In the kitchen, the same flexibility and heat tolerance make them perfect for sealing spice jars, oil bottles, and even homemade preserves, allowing you to reuse containers without worrying about leaks or degradation. The plugs are also valuable in educational environments, where students frequently need to close test tubes and beakers during experiments. Because the plugs require no tools for insertion or removal, they save time and reduce the risk of breakage associated with metal caps or screw‑type closures. Their soft texture ensures a gentle grip, protecting delicate glassware while still providing a firm seal.

Why Choose Us

Choosing MECCANIXITY means selecting a brand committed to quality, consistency, and customer satisfaction. Our silicone plugs undergo rigorous testing for dimensional accuracy, ensuring each plug fits the specified hole size without gaps or excess pressure. The manufacturing process adheres to ISO‑9001 standards, guaranteeing that every batch meets the same high‑performance criteria. We source silicone that is free from harmful additives, providing a product that is both safe for laboratory use and compliant with food‑grade regulations when used in culinary applications. Our packaging includes clear labeling of size and color, reducing the chance of ordering errors. Moreover, we stand behind our products with responsive after‑sales support, offering assistance for any fit‑related questions and a straightforward return policy should you encounter any issues.

Key Features

  • Soft, flexible silicone conforms to 12‑12.5 mm openings for a leak‑free seal.
  • High temperature resistance up to 600 °F enables use in heating and sterilization processes.
  • Chemical‑resistant composition protects against acids, bases, and solvents.
  • Easy, tool‑free installation and removal save time and protect glassware.
  • 24‑piece white pack provides bulk value and includes responsive customer support.

FAQ

What materials can these silicone plugs safely seal?

The plugs are compatible with most laboratory glassware, plastic bottles, and metal containers. Their chemical‑resistant silicone can handle acids, bases, and common organic solvents without degrading.

Can the plugs be used in high‑heat applications?

Yes. The silicone material tolerates short‑term exposure to temperatures up to 600 °F (315 °C), making it suitable for processes like autoclaving, hot filling, or brief heating on a stovetop.

How do I choose the correct size for my container?

Measure the inner diameter of the opening you need to seal. Our 12‑12.5 mm plugs fit openings within that range. The product listing includes a size chart to help you match the plug to your container.

Are the plugs reusable?

Absolutely. The durable silicone can be cleaned with mild soap and water, then reused many times without loss of elasticity or sealing performance.

What if I receive a defective plug?

Contact our customer service within 30 days of receipt. We will arrange a replacement or provide a refund, ensuring you receive a fully functional product.

Additional information

Color

Black, White

Size

5-5.5mm, 10-10.5mm, 4.5-5mm, 7-7.5mm, 12-12.5mm, 3-3.5mm, 6-6.5mm, 3.5-4mm, 11-11.5mm, 7.5-8mm, 2.8-3mm, 5.5-6mm, 12-13mm, 9-10mm, 4-4.5mm, 9-9.5mm, 13-14mm, 8-8.5mm, 2.1-2.6mm, 11-12mm, 8.5-9mm, 6.5-7mm, 13-13.5mm, 10-11mm

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