What are Herco Black Rubber Two-Hole Stoppers used for?

Herco Black Rubber Two-Hole Stoppers are primarily used in laboratory settings to securely seal test tubes, flasks, and other glassware. The two-hole design allows for the insertion of glass tubes or hoses, making them ideal for setting up gas or liquid transfer systems. They are particularly popular among chemists and biologists for their reliability and ability to prevent spills or contamination during experiments.

What size are the Herco Black Rubber Stopper Size 2?

The Herco Black Rubber Stopper Size 2 has a diameter of approximately 21mm and a height of around 19mm. This size is versatile, fitting a range of standard laboratory glassware. It is essential to choose the correct size to ensure a snug fit that prevents leaks, making it suitable for various applications, from simple experiments to more complex setups requiring precise sealing.

Are Herco Black Rubber Stoppers chemically resistant?

Yes, Herco Black Rubber Stoppers are engineered to be chemically resistant, making them suitable for use with a variety of solutions, including acids and bases. This resistance ensures that they do not degrade or react with the contents they are sealing, maintaining the integrity of your experiments. For instance, when working with corrosive substances, these stoppers provide reliable protection and peace of mind.

Can Herco Black Rubber Stoppers be used in hot environments?

Herco Black Rubber Stoppers can withstand moderate temperatures, though they are not designed for high-heat applications like autoclaving. They can perform well in typical lab conditions, including those that involve slightly warm liquids. Always check compatibility with your specific application to ensure optimal performance, especially when dealing with heated solutions or environments.

How do you properly insert a stopper into a tube?

To insert a Herco Black Rubber Stopper, ensure the rim of the glassware is clean. Gently press the stopper into the opening of the tube while twisting slightly to secure it. This technique enhances the seal and prevents any accidental dislodging during handling. It's particularly useful in setups that require stable closure during active experiments.

What other sizes of Herco Rubber Stoppers are available?

Herco offers a range of rubber stoppers in various sizes beyond Size 2, catering to different laboratory glassware needs. Sizes typically range from 0 to 8, accommodating everything from small vials to larger flasks. Choosing the correct size is critical for maintaining an airtight seal, preventing sample contamination or evaporation during experiments.

Are the stoppers reusable?

Yes, Herco Black Rubber Stoppers are designed for reuse, provided they are properly cleaned after each use. Their durable construction allows them to withstand multiple applications without losing their effectiveness. They are ideal for labs that need to frequently seal and unseal containers, ensuring consistency across experimental processes.

Do these stoppers fit standard laboratory glassware?

Herco Black Rubber Two-Hole Stoppers are designed to fit most standard laboratory glassware. Their uniform sizing makes them compatible with commonly used test tubes, flasks, and bottles. Ensuring a correct fit is paramount for effective sealing, preventing leaks, and maintaining the stability of your experiments.

How many stoppers come in a package?

Each package of Herco Black Rubber Two-Hole Stoppers contains 4 pieces. This quantity is suitable for small to medium-sized labs or individual users who may not need large quantities. Having multiple stoppers on hand is beneficial for ongoing projects, allowing for quick replacements as needed during experimentation.

Where can I buy Herco Black Rubber Two-Hole Stopper (Size 2) - 4 pcs?

You can buy Herco Black Rubber Two-Hole Stopper (Size 2) - 4 pcs from Ubuy in UAE. Ubuy offers a reliable platform for accessing this product alongside a variety of other laboratory equipment and supplies, ensuring you have what you need for your scientific endeavors.

How to Shop Herco Black Rubber Two-Hole Stopper (Size 2) - 4 pcs Online From Ubuy?

It’s easy to shop Herco Black Rubber Two-Hole Stopper (Size 2) - 4 pcs online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.

Is Herco Black Rubber Two-Hole Stopper (Size 2) - 4 pcs Available to Shop Online in UAE?

Yes, at Ubuy UAE this product is available for you to shop at a reasonable price. The Herco Black Rubber Two-Hole Stopper (Size 2) - 4 pcs is not available locally but you can trust us with our express shipping services.

How Long Does It Take to Get Product After Placing the Order?

The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

Herco

Multipurpose Black rubber molded 2-hole stopper is perfect for lab, household, and industrial use.

Herco

Item #: 131963789

Herco Black Rubber Two-Hole Stopper (Size 2) - 4 pcs

80% of respondents would recommend this to a friend

Item #: 131963789

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What Stands Out

Durable Material

Made from high-quality black rubber, these stoppers ensure longevity and resilience, making them ideal for laboratory and craft uses.

Versatile Use

Perfect for various applications, these two-hole stoppers fit securely in bottles and flasks, accommodating different craft and scientific needs effortlessly.

Cost-Effective Pack

This set includes four size 2 stoppers, offering excellent value for money while ensuring you have enough supplies for any project or experiment.

Product Details

Item Weight

0.6 lbs (270 grams)

Who Should Buy?

Lab Technicians
Ideal for securing flasks and containers in laboratories, ensuring no leakage during experiments or chemical handling.
Brewery Use
Perfect for home brewers who require reliable sealing to ferment beer without external contamination.
Craft Projects
Useful for crafters requiring durable seals for homemade projects, ensuring longevity and effectiveness in various applications.

Heavy-duty Use
Not suitable for industrial applications requiring stronger and more durable stoppers with higher resilience and capacity.

Product Description

Herco Black Rubber Two-Hole Stopper (Size 2) - 4 pcs

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Customer Questions & Answers

Question: How to Shop Herco Black Rubber Two-Hole Stopper (Size 2) - 4 pcs Online From Ubuy?

Answer: It’s easy to shop Herco Black Rubber Two-Hole Stopper (Size 2) - 4 pcs online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.
Question: Is Herco Black Rubber Two-Hole Stopper (Size 2) - 4 pcs Available to Shop Online in UAE?

Answer: Yes, at Ubuy UAE this product is available for you to shop at a reasonable price. The Herco Black Rubber Two-Hole Stopper (Size 2) - 4 pcs is not available locally but you can trust us with our express shipping services.
Question: How Long Does It Take to Get Product After Placing the Order?

Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

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Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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Features & Benefits

Multipurpose 2-hole stopper for versatile applications.
Standard size ideal for lab, household, and industrial tasks.
Made from durable black rubber for long-lasting use.
Each stopper measures 20mm dia top, 16mm bottom, and 25mm high.
Sold in packs of 4 for convenience.
Smaller sizes available in convenient multi-packs.

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Herco Black Rubber Two-Hole Stopper (Size 2) - 4 pcs

AED 86

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Free Return*

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Product Description

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Herco Rubber Stoppers Editorial Review

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Important information

AED 86

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