CHEMGLASS CG-3006-01 Hollow Hex Head Glass Stopper 24/40

( Brand: Chemglass ), ( Manufacturer Part Number: CG-3006-01 ), ( Part Type: Head Stopper ), ( Unit Type: Unit ), ( Country Of Origin: United States ), ( Intended Use/discipline: Biological Laboratory, Dental Laboratory, Medical Laboratory, Microbiological Laboratory, Physical Laboratory )

Review CHEMGLASS Hollow Hex Head Glass Stopper 24/40 Lot Of Stoppers

The **Chemglass CG-3006-01 Hollow Hex Head Glass Stopper (24/40 Joint)** is a precision-engineered laboratory accessory designed for high-performance applications requiring both durability and versatility in glassware systems. Crafted from borosilicate glass (typically Type I or III), this stopper features a robust **hollow hex head** that allows for secure, leak-proof sealing when tightened into standard **24/40 ground glass joints**, a universal joint size widely used in laboratory glassware. The hollow design not only enhances its structural integrity but also provides a pathway for internal connections, making it ideal for applications where fluid transfer, pressure regulation, or gas introduction is required without compromising the integrity of the system. The hex head ensures a firm grip when manually adjusted, reducing the risk of slippage during assembly or disassembly, while the smooth, polished glass surface minimizes friction and prevents contamination from residual particles. Suitable for use in a variety of laboratory settings including chemical synthesis, distillation, extraction, and analytical procedures this stopper is engineered to withstand repeated sterilization cycles, thermal shock, and exposure to corrosive solvents, making it a reliable choice for both routine and demanding experiments. Its compatibility with standard 24/40 joints ensures seamless integration with flasks, round-bottom bottles, and other glassware, while its transparent construction allows for visual confirmation of proper sealing and internal conditions. Whether used in academic research, pharmaceutical development, or industrial chemistry, the **Chemglass CG-3006-01** delivers a balance of precision, functionality, and longevity, reinforcing its status as a cornerstone component in modern laboratory glassware assemblies.

**Pros and Cons of Buying Chemglass CG-3006-01 Hollow Hex Head Glass Stopper (24/40 Joint)**

1. **High-Quality Construction:** Chemglass is a well-established manufacturer known for producing durable and reliable laboratory glassware. The CG-3006-01 is designed with precision, ensuring a tight seal and minimal leakage, which is critical for experiments requiring controlled environments.

2. **Versatility:** The hollow hex head design allows for easy insertion and removal of the stopper using a glass rod or a stopper lifter. This feature is particularly useful in applications where frequent access to the contents of the flask is necessary without fully removing the stopper.

3. **Compatibility:** The 24/40 joint standard ensures compatibility with a wide range of laboratory glassware and equipment. This makes it a versatile choice for various laboratory setups and experiments.

4. **Chemical Resistance:** Glass is inherently resistant to most chemicals, making this stopper suitable for a broad range of applications, including those involving corrosive substances. The hollow design also allows for the stopper to be heated or cooled without compromising its integrity.

5. **Safety:** Glass stoppers are generally safer than rubber or plastic stoppers in high-temperature or high-pressure applications, as they do not degrade or emit harmful fumes when exposed to extreme conditions.

6. **Easy Cleaning:** Glass surfaces are easier to clean and sterilize compared to other materials, reducing the risk of contamination in sensitive experiments.

7. **Durability:** When handled carefully, glass stoppers like this one can last for many years, making them a cost-effective option in the long run.

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1. **Fragility:** Glass is brittle and can shatter if dropped or subjected to sudden impacts. This makes handling and storage more cautious compared to plastic or metal alternatives.

2. **Weight:** Glass stoppers are heavier than their plastic counterparts, which can make them less convenient for frequent use, especially in large-scale or automated setups.

3. **Potential for Contamination:** If not cleaned thoroughly, glass stoppers can harbor residues or microorganisms, which may affect the results of experiments. This requires meticulous cleaning and maintenance.

4. **Limited Temperature Range:** While glass can handle high temperatures, extreme thermal shock (e.g., rapid heating or cooling) can cause cracking or breaking. This limits its use in certain high-temperature applications without proper conditioning.

5. **Cost:** High-quality glassware like Chemglass products can be more expensive upfront compared to cheaper alternatives, though the long-term durability often justifies the cost.

6. **Maintenance:** Glass stoppers require careful handling to avoid scratches or damage to the joint, which could affect sealing performance over time.

7. **Not Ideal for Vacuum Systems:** While the 24/40 joint is standard, glass stoppers may not be the best choice for high-vacuum applications due to potential leaks or the risk of implosion if the internal pressure drops significantly.

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The Chemglass CG-3006-01 hollow hex head glass stopper is an excellent choice for laboratories requiring reliable, chemical-resistant, and versatile stoppers for standard or moderate-temperature applications. Its precision engineering, compatibility with other glassware, and durability make it a valuable investment for many experimental setups. However, its fragility, weight, and the need for careful handling and cleaning may pose challenges in certain environments, particularly those with high-risk handling or automated processes.

If your laboratory prioritizes chemical resistance, compatibility, and long-term reliability without extreme temperature or pressure fluctuations, this stopper is highly recommended. For applications involving high vacuum, extreme thermal shock, or frequent handling where fragility is a concern, consider alternative materials like heavy-walled glass or specialized stoppers designed for those conditions.

Purchase the Chemglass CG-3006-01 if you need a high-quality, standard 24/40 joint stopper for general laboratory use, particularly in applications involving corrosive chemicals or moderate temperatures. Ensure proper storage (e.g., in a stopper box or padded container) and handling techniques to maximize its lifespan. If your workflow involves high-risk conditions, supplement this stopper with appropriate safety measures or explore alternative materials as needed.

Details:

Chemglass CG-3006-01 Hollow Hex Head Glass Stopper 24/40 Lot of 4 Stoppers.

part #: cg300601 price

• $125.00

specifications plasticwarelabsuppy:

• brand: Chemglass
• mpn: Cg-3006-01
• part type: Head Stopper
• unit type: Unit
• country of origin: United States
• intended use/discipline: Biological Laboratory, Dental Laboratory, Medical Laboratory, Microbiological Laboratory, Physical Laboratory

seller plasticwarelabsuppy:

• # reviews: 2133
• rating: 100.0%
• city: Ponder, Texas

general plasticwarelabsuppy:

• condition: Used
• Medical, Lab Dental Supplies > Glassware Plasticware > Other Medical Lab Glassware

payments plasticwarelabsuppy:

• wallet: Apple-pay
• credit card: Mastercard
• other

offer plasticwarelabsuppy:

• options: Ship-to-home
• started: February 12, 2026
• sold: 0
• best offers: True
• quantity: 2
• availability: In Stock

shipping plasticwarelabsuppy:

• type: Fixed
• transit: 6-12 Days
• class: Standard, Expedited
• cost: $0.00
• service: USPS Ground Advantage, Expedited
• carrier: USPS

returns plasticwarelabsuppy:

• time: 30 Days
• policy: Returns Accepted
• method: Money back
• paid by: Buyer

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