1. Plasticware Lab Supplies For Sale
  2. sku: 13380148415537604
  3. KIMBLE 850800-2440

KIMBLE 850800-2440 Hex Head Hollow Glass Stoppers 24/40

850800-2440 Kimble # Full Length Hex Head Hollow Glass Stoppers 24/40

( Brand: Kimble ), ( Manufacturer Part Number: 850800-2440 ), ( Part Type: Head Stopper ), ( Country Of Origin: United States ), ( Unit Type: Unit ), ( Intended Use/discipline: Biological Laboratory, Medical Laboratory, Microbiological Laboratory )

Review KIMBLE Full Length Hex Head Hollow Glass Stoppers 24/40

The **Kimble 850800-2440 Hex Head Hollow Glass Stoppers (24/40 Joint)** are a precision-engineered laboratory accessory designed to meet the rigorous demands of modern chemical, biological, and pharmaceutical research. Crafted from high-quality borosilicate glass (Type I, per USP/EP standards), these stoppers feature a robust hex head with a smooth, machined finish that ensures secure, leak-proof sealing when paired with compatible glassware, such as Kimble borosilicate bottles, flasks, or reaction vessels. The hollow design allows for easy insertion and removal, reducing the risk of breakage or contamination during handling, while the internal threading accommodates standard ground glass joints, ensuring a tight, consistent seal that maintains the integrity of experiments requiring sterile or airtight conditions. The **24/40 joint** designation indicates a standard taper size, making these stoppers universally compatible with a wide range of laboratory glassware, from volumetric flasks to reagent bottles, while the durable glass construction resists chemical corrosion, thermal shock, and prolonged exposure to aggressive solvents making them ideal for applications involving acids, bases, organic solvents, or high-temperature reactions. Additionally, the hex head provides a secure grip for manual insertion and extraction, minimizing the need for specialized tools, while the hollow bore prevents liquid or particulate buildup that could compromise sterility or accuracy in sensitive procedures. Whether used in routine laboratory maintenance, long-term sample storage, or high-precision analytical work, these stoppers deliver reliability, consistency, and chemical resistance, reinforcing their status as a cornerstone of laboratory glassware systems.

### **Pros and Cons of Buying Kimble 850800-2440 Hex Head Hollow Glass Stoppers (24/40 Joint)**

#### **Pros:**

1. **High-Quality Glass Construction** Kimble products are known for their durable, borosilicate glass, which resists thermal shock and chemical corrosion, making them ideal for laboratory and industrial applications.

2. **Standardized 24/40 Joint** The 24/40 joint is a widely accepted standard in glassware, ensuring compatibility with most laboratory glassware, adapters, and connectors.

3. **Hollow Design** The hollow stoppers allow for better gas exchange and pressure equalization, which is useful in distillation, filtration, and other processes requiring controlled airflow.

4. **Hex Head for Secure Sealing** The hex-shaped design provides a tight, leak-proof seal when properly torqued, reducing the risk of contamination or spillage.

5. **Chemical Resistance** Borosilicate glass is resistant to most acids, bases, and organic solvents, making these stoppers suitable for a wide range of chemical applications.

6. **Reusable and Long-Lasting** Unlike disposable stoppers, these can be cleaned and reused multiple times, offering cost savings in the long run.

7. **Compatibility with Vacuum Systems** The hollow design and secure fit make them suitable for use in vacuum filtration and other low-pressure applications.

8. **Brand Reliability** Kimble is a trusted manufacturer in the laboratory glassware industry, ensuring consistent quality and performance.

#### **Cons:**

1. **Fragility** Glass stoppers can break if dropped or subjected to sudden temperature changes, posing a risk of injury and contamination.

2. **Limited Flexibility** Unlike plastic or rubber stoppers, glass stoppers cannot be bent or reshaped if misaligned or damaged.

3. **Weight** Glass is heavier than plastic alternatives, which may make handling cumbersome, especially in large quantities.

4. **Maintenance Requirements** Glassware requires careful cleaning to prevent residue buildup, which can be time-consuming if not properly maintained.

5. **Cost** While durable, high-quality glass stoppers are more expensive upfront compared to disposable plastic or rubber stoppers.

6. **Potential for Contamination** If not cleaned thoroughly, glass stoppers can harbor residues that may affect experimental results.

7. **Not Ideal for Extreme Conditions** While borosilicate glass is heat-resistant, it may still degrade under prolonged exposure to very high temperatures or extreme pressure variations.

8. **Replacement Parts Availability** If a stopper breaks, finding an exact replacement may require ordering from a specialized supplier, which could cause delays.

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### **Conclusion:**

Kimble 850800-2440 hex head hollow glass stoppers are an excellent choice for laboratory and industrial applications requiring durability, chemical resistance, and standardized compatibility. Their borosilicate construction ensures longevity and reliability, while the 24/40 joint guarantees seamless integration with other glassware. However, their fragility, higher cost, and maintenance needs must be considered, particularly in environments where breakage or contamination risks are a concern.

If your application demands high-performance sealing, chemical resistance, and reusability such as in distillation, filtration, or long-term storage these stoppers are a strong recommendation. For applications where cost, weight, or ease of handling are prioritized over durability, disposable or plastic alternatives may be more practical.

### **Recommendation:** **Buy these stoppers if:**

- You need a durable, reusable solution for laboratory or industrial use.

- Chemical resistance and thermal stability are critical.

- You require compatibility with standard 24/40 glassware.

- You are willing to invest in long-term quality over short-term cost savings.

**Consider alternatives if:**

- You frequently handle fragile materials where breakage is a significant risk.

- Your budget is limited, and disposable stoppers would suffice.

- You require stoppers that are lighter or more flexible than glass.

For most professional laboratory settings, the Kimble 850800-2440 stoppers are a justified purchase due to their performance and reliability.

Details:

May be set on the flattened top to avoid contamination of ground surface. Joint Size mm 24/40, Stopper Middlebrow 3.3. KIMBLE Full length Hex Head Hollow Glass Stopper, 24/40. Hollow, hexagonal head, Standard Taper stopper.

part #: 8508002440 price

  • $55.00

specifications plasticwarelabsuppy:

  • brand: Kimble
  • mpn: 850800-2440
  • part type: Head Stopper
  • country of origin: United States
  • unit type: Unit
  • intended use/discipline: Biological Laboratory, Medical Laboratory, Microbiological Laboratory

general plasticwarelabsuppy:

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

offer plasticwarelabsuppy:

  • availability: In Stock
  • options: Ship-to-home
  • started: March 3, 2026
  • quantity: 2
  • sold: 0

shipping plasticwarelabsuppy:

  • class: Expedited
  • type: Calculated
  • carrier: USPS
  • service: USPS Priority Mail
  • transit: 3-9 Days
  • cost: $0.00

returns plasticwarelabsuppy:

  • policy: No Returns

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seller plasticwarelabsuppy:

  • city: San Diego, California
  • rating: 100.0%
  • # reviews: 37
part type: head stopper, country of origin: united states, unit type: unit, intended use/discipline: biological laboratory, medical laboratory, microbiological laboratory,
category: business & industrial > medical, lab dental supplies > glassware plasticware > medical lab glassware, sku: 13380148415537604,
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1 offer $55.00 USD
  • Used. Offer #1 priced at $55.00 + $0.00 shipping estimate = $55.00* total. Joint Size (mm) 24/40. KIMBLE Full Length Hex Head Hollow Glass Stopper, 24/40.FREE SHIPPING

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