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  3. KONTES KIMBLE KIMAX 926400-1000

KONTES KIMBLE KIMAX 926400-1000 Glass Volume Vacuum Trap 1000ML 40/35 Flask 926402-1000

926402-1000 Kontes Kimble Kimax 926400-1000 Glass 1000ml 40/35 Large Volume Vacuum Trap Flask

( Brand: Kontes Kimble Kimax ), ( Manufacturer Part Number: 926400-1000 ), ( Part Type: Vacuum Trap ), ( Intended Use/discipline: Biological Laboratory ), ( Unit Type: Unit ), ( Country Of Origin: United States ), ( Additional Information: Surplus Laboratory Consumable Supplies )

Review KONTES KIMBLE KIMAX Glass 1000ml 40/35 Large Volume Vacuum Trap Flask

The **Kontes Kimble Kimax 926400-1000 1000ml 40/35 Volume Vacuum Trap Flask** is a precision-engineered laboratory glassware essential for a wide range of chemical, biochemical, and analytical applications requiring controlled vacuum conditions. Crafted from durable **borosilicate glass (Type 3.3)**, this flask is designed to withstand extreme thermal and mechanical stresses, ensuring long-term reliability in demanding laboratory environments. Its **1000ml capacity** provides ample volume for medium-scale reactions, distillations, or solvent extractions, while the **40/35 volume taper** a standard joint size ensures seamless compatibility with a vast array of glassware, including condensers, adapters, and vacuum pumps, without the need for additional connectors. The **vacuum trap design** (also available as the **926402-1000 variant**) allows for efficient removal of air or volatile solvents under reduced pressure, making it ideal for processes such as rotary evaporation, freeze-drying, or vacuum filtration. The **thick-walled construction** minimizes the risk of breakage during repeated use, while the **smooth, polished interior** prevents residue buildup, ensuring consistent performance and ease of cleaning. Whether used in synthesis, purification, or sample preparation, this flask combines **durability, precision, and versatility**, making it a cornerstone of modern laboratory workflows. Its **Kimble Kimax branding** guarantees adherence to rigorous quality standards, delivering a product that balances functionality with reliability for both academic and industrial research applications.

### **Pros and Cons of buying a Kontes Kimble Kimax 926400-1000 (1000 mL, 40/35 Volume Vacuum Trap Flask) and 926402-1000 (1000 mL, 40/35 Volume Vacuum Trap Flask with Stopcock)**

#### **Pros:**

1. **High-Quality Borosilicate Glass (Type 1)**

- The Kimble Kimax line is made from durable borosilicate glass, which is chemically resistant, thermally stable, and less prone to thermal shock compared to soda-lime glass. This makes it ideal for laboratory applications involving heating, cooling, or chemical exposure.

2. **Standardized Dimensions (40/35 Joint)**

- The 40/35 ground glass joint ensures compatibility with a wide range of laboratory glassware, adapters, and vacuum systems. This standardization simplifies setup and reduces the need for custom fittings.

3. **Vacuum-Compatible Design**

- The vacuum trap flask is specifically designed to handle low-pressure applications, making it suitable for distillation, solvent recovery, or vacuum filtration setups. The robust construction minimizes the risk of implosion under vacuum conditions.

4. **Large Capacity (1000 mL)**

- The 1000 mL volume provides ample space for larger-scale experiments, reducing the need for multiple smaller flasks and improving efficiency in processes like solvent trapping or distillation.

5. **Durable and Long-Lasting**

- Kontes (a brand under Thermo Scientific) is known for producing high-quality, long-lasting glassware. Proper care (e.g., avoiding thermal shock, using appropriate cleaning methods) can extend the lifespan of these flasks for years.

6. **Compatibility with Standard Laboratory Equipment**

- The flask can be easily integrated into common lab setups, such as vacuum pumps, condensers, or distillation columns, due to its standardized joint and robust construction.

7. **Brand Reputation**

- Kontes is a trusted name in laboratory glassware, offering reliable performance and consistency. The brand is widely used in academic, industrial, and research settings.

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#### **Cons:**

1. **Cost**

- High-quality borosilicate glassware is more expensive than standard soda-lime glass. While the initial investment is higher, the durability often justifies the cost over time. However, for budget-conscious users or small-scale applications, this may be a drawback.

2. **Fragility Despite Durability**

- Although borosilicate glass is more resistant to thermal shock than soda-lime glass, it is still fragile. Dropping or mishandling can still cause breakage, especially if the flask is empty or contains only a small volume of liquid. Care must be taken during handling and storage.

3. **Maintenance and Cleaning**

- Glassware with ground glass joints (like the 40/35 joint) requires careful cleaning to avoid damage to the joint surfaces. Grease, residue, or improper cleaning can lead to leaks or difficulty in reassembling the joint. Silicone grease or joint lubricants are often necessary to maintain a proper seal.

- The vacuum trap flask may require thorough cleaning after use, particularly if it has been exposed to corrosive chemicals or solvents. Some residues (e.g., oils or polymers) can be difficult to remove and may require specialized cleaning agents or ultrasonic baths.

4. **Limited Flexibility in Customization**

- Unlike plastic or some metal alternatives, borosilicate glass flasks are not easily modified or repurposed for non-standard applications. If the joint size or shape is not compatible with existing equipment, additional adapters may be needed, adding to the cost.

5. **Potential for Joint Wear Over Time**

- Ground glass joints can wear out with frequent use, especially if the joint surfaces are not properly lubricated or if the glassware is subjected to rough handling. Over time, this can lead to leaks or difficulty in achieving a tight seal, necessitating replacement of the joint or the entire flask.

6. **Weight**

- Borosilicate glass is heavier than plastic alternatives. While this is not typically an issue for stationary laboratory setups, it may be less convenient for fieldwork or portable applications where weight is a concern.

7. **Environmental and Disposal Considerations**

- Glassware is not biodegradable and contributes to laboratory waste. While borosilicate glass is recyclable, improper disposal can lead to environmental issues. Users must adhere to local regulations for glass disposal or recycling.

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### **Conclusion:**

The Kontes Kimble Kimax 926400-1000 and 926402-1000 vacuum trap flasks are excellent choices for laboratory applications requiring durability, chemical resistance, and vacuum compatibility. Their borosilicate glass construction ensures longevity and reliability, making them suitable for a wide range of experiments, including distillation, solvent recovery, and vacuum filtration. The standardized 40/35 joint enhances versatility, while the 1000 mL capacity provides ample space for larger-scale processes.

However, the higher cost, potential fragility, and maintenance requirements (such as joint lubrication and careful cleaning) are notable drawbacks. These flasks are best suited for users who prioritize quality and performance in a laboratory setting and can invest in proper care and maintenance. For applications where cost or weight is a significant concern, or where non-standard setups are required, alternative materials (e.g., certain plastics or metals) might be considered but these would likely sacrifice some of the durability and chemical resistance offered by borosilicate glass.

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### **Recommendation:** **Buy these flasks if:**

- You are working in a laboratory setting where durability, chemical resistance, and vacuum compatibility are critical.

- You require standardized glassware that integrates seamlessly with existing equipment.

- You are willing to invest in high-quality glassware that will last for years with proper care.

- Your applications involve processes like distillation, solvent trapping, or vacuum filtration where borosilicate glass is the preferred material.

**Avoid or consider alternatives if:**

- Your budget is extremely limited, and you can find equally effective (though less durable) alternatives at a lower cost.

- You frequently handle the glassware roughly or lack the space/equipment for safe storage (e.g., in a fume hood or dedicated storage).

- Your applications do not require the chemical resistance or thermal stability of borosilicate glass, and plastic or metal alternatives would suffice.

- You are working in a non-laboratory setting where weight or portability is a major concern.

For most academic, industrial, or research laboratories, the Kontes Kimble Kimax vacuum trap flasks are a worthwhile investment due to their reliability and performance. Always ensure proper handling, cleaning, and storage to maximize their lifespan.

Details:

GSR veers 1730 GS 9.9.4 1730 Used item in great condition. Little to no signs of use. No chips or cracks throughout. See pictures for details.

part #: 9264001000 prices

  • $45.49-$59.99

specifications plasticwarelabsuppy:

  • brand: Kontes Kimble Kimax
  • mpn: 926400-1000
  • part type: Vacuum Trap
  • intended use/discipline: Biological Laboratory
  • unit type: Unit
  • country of origin: United States
  • additional information: Surplus Laboratory Consumable Supplies

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  • Medical, Lab Dental Supplies > Glassware Plasticware > Other Medical Lab Glassware
  • condition: Used
part type: vacuum trap, intended use/discipline: biological laboratory, unit type: unit, country of origin: united states, additional information: surplus laboratory consumable supplies,
category: business & industrial > medical, lab dental supplies > glassware plasticware > medical lab glassware, sku: 13290650676534633,
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2 offers $45.49–$59.99 USD
  • Used. Offer #1 priced at $45.49 + $0.00 shipping estimate = $45.49* total. See pictures for details Used item in great condition.FREE SHIPPING
  • New – Open box. Offer #2 priced at $59.99 + $11.50 shipping estimate = $71.49* total. 1000mL 40/35 Vacuum Trap Flask. KONTES Glass.+$11.50 shipping

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