1. Plasticware Lab Supplies For Sale
  2. sku: 13193300677610881
  3. KONTES 298780-0010

KONTES 298780-0010 Bantam Ware Addition Funnel Stopcock 10ML 1-A 14/20 Joint 15ML Flask

298780-0010 Kontes Bantam-ware 10ml Addition Funnel 1-a Stopcock 14/20 Joint With 15ml Flask

( Brand: Kontes ), ( Manufacturer Part Number: 298780-0010 ), ( Part Type: Stopcock Joint ), ( Country Of Origin: United States )

Review KONTES Bantam ware 10ml Addition Funnel 1-a Stopcock 14/20 Joint 15ml Flask

The Kontes 298780-0010 Bantam-Ware Addition Funnel is a precision-engineered laboratory accessory designed to elevate the efficiency and accuracy of chemical synthesis, distillation, and reaction monitoring procedures. Crafted from high-quality borosilicate glass (Type 1, Class A), this durable funnel combines robustness with chemical resistance, ensuring reliability even under demanding experimental conditions. Its sleek, compact design features a **14/20 standard taper joint**, allowing seamless compatibility with a wide range of laboratory glassware, including 15-mL round-bottom flasks, distillation apparatuses, and reaction vessels. The integrated **1-port stopcock** provides precise control over liquid addition, enabling researchers to regulate flow rates with minimal splashing or contamination, which is particularly advantageous in sensitive or exothermic reactions. With a **10-mL capacity**, the funnel strikes an ideal balance between functionality and workspace efficiency, making it well-suited for small-scale experiments, titrations, or the gradual introduction of reagents to maintain reaction equilibrium. The Bantam-Ware series further enhances its utility with a **low-profile, ergonomic handle**, reducing fatigue during prolonged use while ensuring a secure grip. Whether employed in academic research, pharmaceutical development, or industrial synthesis, this addition funnel exemplifies Kontes commitment to innovation and precision, offering a versatile tool that streamlines workflows and minimizes human error in the laboratory.

**Pros and Cons of buying a Kontes 298780-0010 Bantam-Ware Addition Funnel with 10 mL Capacity, 1-A Stopcock, and 14/20 Joint (Included with 15 mL Flask)**

### **Pros:**

1. **Versatility and Compatibility** The 14/20 joint ensures compatibility with a wide range of standard laboratory glassware, including flasks, condensers, and other glass apparatus. This makes it a flexible tool for various chemical reactions and procedures.

2. **Precise Addition of Liquids** The addition funnel allows for controlled, dropwise or gradual addition of reagents, which is essential in titrations, extractions, and reactions requiring careful monitoring of volume.

3. **Stopcock Functionality** The built-in stopcock provides precise control over the flow of liquids, reducing spillage and allowing for accurate dosing without manual intervention.

4. **Durability and Quality** Kontes glassware is known for its high-quality borosilicate glass, which is resistant to thermal shock and chemical corrosion. This ensures longevity and reliability in demanding laboratory environments.

5. **Compact Size (10 mL Capacity)** The small volume makes it ideal for micro-scale experiments, teaching labs, or applications where minimal reagent quantities are required.

6. **Included Flask (15 mL)** The bundle with a 15 mL flask adds value, as it provides a complete setup for small-scale reactions without needing to purchase additional components separately.

7. **Easy Cleaning and Maintenance** Glassware is easier to clean and sterilize compared to plastic or metal alternatives, reducing contamination risks in sensitive experiments.

8. **Cost-Effective for Small-Scale Use** While not the cheapest option, its durability and functionality make it a cost-effective choice for labs that frequently perform precise liquid additions.

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### **Cons:**

1. **Fragility** Glassware is prone to breakage if dropped or mishandled. This can be a safety hazard, especially in busy or poorly maintained labs.

2. **Limited Volume** The 10 mL capacity may be insufficient for larger-scale reactions or experiments requiring higher volumes of reagents.

3. **Maintenance Requirements** Glassware must be carefully cleaned to avoid residue buildup, which can interfere with experiments. Scratches or damage to joints can also compromise sealing.

4. **Compatibility Issues with Non-Standard Equipment** While 14/20 joints are common, some specialized setups may require different joint sizes, limiting flexibility in certain applications.

5. **Time-Consuming Assembly/Disassembly** Glass joints require careful alignment and may take longer to set up or disassemble compared to quick-connect plastic or metal alternatives.

6. **Potential for Leaks** If the stopcock or joint is not properly lubricated or damaged, leaks can occur, leading to spills or inaccurate measurements.

7. **Higher Upfront Cost Compared to Plastic Alternatives** While durable, glassware is often more expensive than disposable plastic funnels, which may be preferable for one-time or low-budget experiments.

8. **Storage Space Requirements** Glassware takes up more space than compact plastic or metal tools, which may be a consideration in labs with limited storage.

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### **Conclusion:**

The **Kontes 298780-0010 Bantam-Ware Addition Funnel** is a high-quality, versatile tool ideal for laboratories requiring precise liquid additions in small-scale experiments. Its durability, compatibility with standard glassware, and stopcock functionality make it a reliable choice for teaching labs, research, and routine chemical procedures. However, its fragility, higher cost, and maintenance needs may not make it suitable for high-volume or disposable-use applications.

For labs prioritizing **accuracy, reusability, and compatibility with borosilicate glass systems**, this funnel is an excellent investment. For **budget-conscious or high-throughput settings**, disposable plastic alternatives or larger-volume glass funnels may be more practical.

### **Recommendation:**

- **Buy if:** You need a durable, precise addition funnel for small-scale reactions, titrations, or teaching labs where glassware is preferred. The included flask adds convenience for complete setups.

- **Avoid if:** You require disposable or low-cost options, work with very large volumes, or operate in environments where glassware is frequently mishandled.

- **Consider alternatives:** If budget is a concern, evaluate plastic addition funnels or larger glass funnels (e.g., 25 mL or 50 mL). For high-precision needs, ensure proper lubrication and storage to maximize longevity.

Details:

Kontes Bantam-Ware 10mL Addition Funnel 1-A Stopcock, 14/20 Joint w/15mL Flask, 15mL ACE Round Bottom Flask 14/20, Stopcock Bore is missing.

part #: 2987800010 prices

  • $32.00-$48.99

specifications plasticwarelabsuppy:

  • brand: Kontes
  • mpn: 298780-0010
  • part type: Stopcock Joint
  • country of origin: United States

payments plasticwarelabsuppy:

  • wallet: Google-pay
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shipping plasticwarelabsuppy:

  • service: Standard
  • type: Fixed
  • transit: 3-6 Days
  • cost: $8.60
  • class: Standard

offer plasticwarelabsuppy:

  • sold: 0
  • started: February 1, 2026
  • best offers: True
  • availability: In Stock
  • quantity: 1
  • options: Ship-to-home

returns plasticwarelabsuppy:

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

general plasticwarelabsuppy:

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

seller plasticwarelabsuppy:

  • rating: 99.6%
  • # reviews: 912
  • city: Saint Paul, Minnesota
part type: stopcock joint, country of origin: united states,
category: business & industrial > medical, lab dental supplies > glassware plasticware > medical lab glassware, sku: 13193300677610881,
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2 offers $32.00–$48.99 USD
  • Used. Offer #1 priced at $32.00 + $8.60 shipping estimate = $40.60* total. Stopcock Bore is missing.+$8.60 shipping
  • Used. Offer #2 priced at $48.99 + $0.00 shipping estimate = $48.99* total. Lab Bench Supplies. Very good used condition.FREE SHIPPING

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