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  3. STONYLAB SL001420

STONYLAB SL001420 Neck Flat Bottom Flask High Borosilicate 840371324448 Glass Standard 24/40 Ta

Sl001420 Stonylab 3 Neck Flat Bottom Flask High Borosilicate Glass 24/40 Standard Ta

( Brand: Stonylab ), ( Manufacturer Part Number: SL001420 ), ( Part Type: Glass Bottom ), ( UPC: 840371324448 ), ( Size: 1000 Ml )

Review STONYLAB Neck Flat Bottom Flask High Borosilicate Glass 24/40 Standard Ta

The **StonyLab SL001420 Neck Flat Bottom Flask** is a precision-engineered laboratory glassware item designed for versatility, durability, and optimal performance in a wide range of chemical, biological, and analytical applications. Crafted from **high-borosilicate glass** (typically composed of around 13% boron trioxide), this flask exhibits exceptional resistance to thermal shock, chemical corrosion, and mechanical stress, making it ideal for demanding experiments involving extreme temperature fluctuations, aggressive solvents, or high-pressure conditions. The **24/40 standard taper joint** ensures a secure, leak-proof connection to compatible glassware, such as condensers, adapters, or other flasks, while maintaining consistent and reliable functionality across different setups. The **flat-bottom design** provides enhanced stability on laboratory benches, reducing the risk of tipping or accidental spills during heating, stirring, or reaction processes. Whether used for distillation, titration, extraction, or as a reaction vessel, this flask s smooth, polished interior minimizes dead spaces and promotes efficient mixing and reaction kinetics. Its **clear, transparent construction** allows for real-time visual monitoring of reactions, color changes, or precipitation, while the durable **ground glass joint** ensures a tight seal to prevent contamination or loss of volatile substances. Perfect for both educational and industrial laboratories, the StonyLab SL001420 combines precision engineering with high-quality materials to deliver a dependable tool for scientists and researchers seeking reliability in their experiments.

**Pros and Cons of buying a StonyLab SL001420 Neck Flat Bottom Flask (High Borosilicate Glass, 24/40 Standard TA)**

### **Pros:**

1. **High-Quality Material:** The flask is made from **high-borosilicate glass**, which is chemically resistant, durable, and can withstand high temperatures (up to 300 C). This makes it suitable for laboratory use, including heating, cooling, and chemical reactions.

2. **Standard 24/40 Joint:** The **24/40 ground glass joint** is a widely accepted standard in laboratory glassware, ensuring compatibility with most laboratory equipment, adapters, and accessories. This makes it versatile for various setups, including distillation, reflux, and filtration.

3. **Flat Bottom Design:** The **flat bottom** provides better stability compared to round-bottom flasks, reducing the risk of tipping over during use. This is particularly useful in bench-top experiments where space is limited.

4. **Durability and Longevity:** High-borosilicate glass is less prone to thermal shock and chemical corrosion than standard soda-lime glass, extending the flask s lifespan with proper care.

5. **Compatibility with Lab Equipment:** The 24/40 joint allows for easy connection to condensers, funnels, and other glassware, making it ideal for **reflux setups, distillation, and solvent extraction**.

6. **Cost-Effective for Laboratory Use:** While not the cheapest option, it offers **better value than low-quality glassware** due to its durability and reliability, reducing the need for frequent replacements.

7. **Easy to Clean and Maintain:** High-borosilicate glass is smooth and non-porous, making it easier to clean with solvents, detergents, or ultrasonic baths without degradation.

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### **Cons:**

1. **Higher Initial Cost:** Compared to **soda-lime glass** or plastic alternatives, high-borosilicate glass flasks are more expensive. This may be a drawback for **budget-conscious hobbyists or small-scale users**.

2. **Fragility Despite Durability:** While high-borosilicate glass is more resistant than standard glass, it is still **breakable**. Dropping it or subjecting it to sudden temperature changes (even if within safe limits) can cause cracks or shattering.

3. **Limited Availability of Replacement Parts:** If the **24/40 joint or adapter** becomes damaged, finding exact replacements may be difficult, especially for less common sizes.

4. **Weight:** High-borosilicate glass is heavier than plastic or some polymer alternatives, which may be inconvenient for **frequent handling or portable setups**.

5. **Not Ideal for Extreme Conditions:** While it handles high temperatures well, **extreme thermal shock (e.g., rapid heating/cooling) can still cause failure**, though less likely than with soda-lime glass.

6. **Potential for Contamination:** If not cleaned properly, **residues from previous experiments** (especially organic solvents or corrosive chemicals) can remain trapped in the glass, affecting subsequent reactions.

7. **Not Suitable for All Applications:** For **low-temperature or non-reactive uses**, cheaper alternatives (e.g., HDPE plastic flasks) may suffice, making this flask an **overkill for simple storage or non-laboratory tasks**.

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### **Ending Conclusion:**

The **StonyLab SL001420 high-borosilicate flat bottom flask (24/40 joint)** is a **high-quality, versatile, and durable** piece of laboratory glassware ideal for **chemical synthesis, distillation, reflux, and other demanding applications**. Its **superior resistance to heat, chemicals, and thermal shock** makes it a **reliable long-term investment** for serious hobbyists, students, and professionals.

However, its **higher cost and weight** may not justify its purchase for **casual or non-laboratory use**. If you are working in a **real laboratory setting, conducting chemical experiments, or needing a flask that will last for years**, this is an **excellent choice**. For **budget-friendly, low-risk, or non-reactive applications**, a **lower-cost alternative** (e.g., soda-lime glass or plastic) might be more practical.

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### **Recommendation:** **Buy this flask if:**

- You are a **student, chemist, or hobbyist** working with **organic solvents, heating, or reflux setups**.

- You need **long-term durability** and **chemical resistance**.

- You require **standard 24/40 compatibility** for lab equipment.

- You are willing to **invest in quality glassware** that will reduce the risk of failures and replacements.

**Avoid this flask if:**

- You are on a **tight budget** and only need occasional, non-reactive storage.

- You frequently handle **extremely fragile materials** where even high-borosilicate glass may be risky.

- You are using it for **non-laboratory purposes** (e.g., general storage, non-chemical applications).

- You prefer **lighter, cheaper alternatives** (e.g., plastic or low-cost glass).

**Final Verdict:** For **serious laboratory work**, this is a **strong recommendation**. For **casual or non-technical use**, consider whether the benefits outweigh the cost.

Details:

Brand New Stonylab 3 Neck Flat Bottom Flask, High Borosilicate Glass, 24/40 Standard Taper Joint, Chemistry Laboratory Reaction 1000 ml Capacity, Manufacturer model: SL001420 Multi-Functional: versatile 3-neck flat bottom flask designed for laboratory reactions, allowing simultaneous heating, feeding, and temperature measurement operations. Robust Material: constructed from high borosilicate glass, these flasks are not only resistant to acids and alkali's but also offer excellent corrosion resistance; their durable nature allows for repeated reuse, making them a sustainable choice ongoing research experimentation; maximum withstand temperature 200C. Three Neck Design: features three 24/40 standard taper joints, with a 1000 ml capacity. However, this will not affect the shipping times.

Superior Craftsmanship: crafted with meticulous attention to detail, these flasks boast a smooth surface, high transparency, and are free from imperfections like bubbles, ensuring precision in every experiment.

part #: sl001420 price

  • $97.28

specifications kitchenstororg:

  • brand: Stonylab
  • mpn: Sl001420
  • part type: Glass Bottom
  • upc: 840371324448
  • size: 1000 Ml

returns kitchenstororg:

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

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offer kitchenstororg:

  • sold: 0
  • started: February 20, 2026
  • options: Ship-to-home
  • availability: In Stock

seller kitchenstororg:

  • rating: 100.0%
  • city: Within USA
  • # reviews: 53195

general kitchenstororg:

  • condition: New
  • Kitchen, Dining Bar > Kitchen storage Organization > Other Kitchen storage

shipping kitchenstororg:

  • service: Standard
  • cost: $0.00
  • class: Standard
  • type: Fixed
  • transit: 3-6 Days
part type: glass bottom, size: 1000 ml,
category: home & garden > kitchen, dining bar > kitchen storage organization > kitchen storage, sku: 19309278103451782,
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  • New. Offer #1 priced at $97.28 + $0.00 shipping estimate = $97.28* total. Three Neck Design: features three 24/40 standard taper joints, with a 1000 ml capacity.FREE SHIPPING

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