1. Plasticware Lab Supplies For Sale
  2. sku: 13485042227942861
  3. STONYLAB 002649

STONYLAB Allihn Condenser Joints Borosilicate Glass Lab 002649 840371343517 19/22 200

Stonylab 840371343517 Allihn Condenser With 19/22 Joints Borosilicate Glass Lab 200 Mm

( Brand: Stonylab ), ( Model: 002649 ), ( Part Type: Condenser Joint ), ( Itemlength: 250 ), ( Packageheight: 60 ), ( Packagelength: 390 ), ( Packagewidth: 70 ), ( Size: 200 Mm ), ( UPC: 840371343517 )

Review STONYLAB Allihn Condenser 19/22 Joints Borosilicate Glass Lab 200mm

The **StonyLab 840371343517 Allihn Condenser** is a high-quality, precision-engineered laboratory accessory designed to elevate the efficiency and safety of distillation processes in academic, industrial, and research settings. Crafted from **borosilicate glass (Type 3.3)**, this condenser exemplifies durability and resistance to thermal shock, ensuring reliable performance even under rigorous conditions. Its **19/22 standard ground glass joints** provide a secure, leak-proof connection to compatible glassware, such as round-bottom flasks, reflux setups, or fractional distillation apparatuses, while maintaining a consistent and airtight seal. The condenser s **Allihn design** characterized by its distinctive spiral cooling coils optimizes heat exchange by maximizing surface area contact with the cooling medium, typically water or a refrigerant, thereby enhancing condensation efficiency and reducing energy loss during distillation. With a **200 mm (20 cm) length**, this condenser strikes a practical balance between compactness and effective cooling capacity, making it ideal for medium-scale operations where space and performance are critical. Its robust construction and clear, unobstructed glass body allow for easy monitoring of the distillation process, while the smooth, polished joints minimize friction and wear during assembly and disassembly. Whether used in organic synthesis, solvent recovery, or analytical chemistry, this condenser delivers consistent results with minimal maintenance, embodying both functionality and longevity in the laboratory environment.

### **Pros and Cons of buying a StonyLab 840371343517 Allihn Condenser (19/22 Joints, Borosilicate Glass, 200mm)**

#### **Pros:**

1. **Durability and Chemical Resistance** Made from borosilicate glass (likely Type 3.3 or similar), this condenser is highly resistant to thermal shock and most common laboratory chemicals, making it suitable for a wide range of reactions.

2. **Efficient Condensation** The Allihn design (double spiral) provides excellent surface area for condensation, improving yield in reflux setups compared to simpler Liebig condensers.

3. **Standard Joint Size (19/22)** Compatible with most standard glassware in laboratories, ensuring easy integration with flasks, adapters, and other glass components.

4. **Heat Resistance** Can withstand high temperatures without warping or breaking, making it ideal for reactions involving elevated heating.

5. **Cost-Effective for Basic Use** Generally more affordable than high-end condensers while still providing reliable performance for routine laboratory work.

6. **Easy to Clean** Smooth glass surface allows for thorough cleaning, reducing the risk of contamination between experiments.

7. **Versatile Applications** Works well for distillation, reflux, and other processes requiring efficient vapor condensation.

#### **Cons:**

1. **Potential Quality Variations** As a budget or mid-range brand, StonyLab may not match the precision and consistency of premium manufacturers (e.g., Corning, Kimble-Kontes, or Ace Glass). Some users report slight irregularities in joint fit or glass thickness.

2. **Durability Concerns** While borosilicate glass is strong, rough handling or repeated thermal cycling could eventually lead to cracks or breakage, especially if the glass is thinner than expected.

3. **Limited Warranty or Customer Support** Lower-end brands often provide minimal warranty coverage or poor after-sales service compared to established lab equipment suppliers.

4. **Joint Fit Issues** Some users report that the 19/22 joints may not seal perfectly, leading to minor leaks if not tightened properly. This could require additional sealing with Teflon tape or grease.

5. **No Brand Reputation** StonyLab is less well-known than industry-standard brands, which may raise concerns about long-term reliability or availability of replacement parts.

6. **Potential for Contamination Risks** If not properly cleaned or if the glass is of lower quality, residues from previous reactions could remain, affecting subsequent experiments.

7. **Size Limitations** At 200mm, it may not be suitable for very large-scale reactions where a longer condenser is needed for optimal performance.

---

### **Conclusion**

The **StonyLab 840371343517 Allihn Condenser** is a practical and affordable choice for hobbyists, students, or small-scale laboratory work where budget constraints are a factor. It offers reliable performance for basic reflux and distillation tasks, thanks to its borosilicate construction and efficient Allihn design. However, users should be aware of potential quality inconsistencies, joint sealing challenges, and the lack of a strong brand reputation. If durability, precision, and long-term reliability are critical particularly in professional or high-stakes settings considering a more established brand (e.g., Corning, Ace Glass, or Kimble-Kontes) may be worthwhile despite the higher cost.

---

### **Recommendation**

- **Buy if:** You need a functional, cost-effective condenser for occasional or educational use, and you are willing to address minor potential issues (e.g., ensuring proper sealing with Teflon tape). It is a solid option for home labs, small-scale chemistry, or teaching environments where budget is a priority.

- **Avoid if:** You require ultra-high precision, long-term reliability, or are working with highly corrosive or extreme conditions where premium-grade glassware is essential. In such cases, investing in a condenser from a reputable manufacturer is justified.

- **Alternative Consideration:** If you can allocate a slightly higher budget, look for condensers from brands like **Corning (Pyrex), Ace Glass, or Kimble-Kontes**, which offer better build quality, warranties, and customer support. For very large-scale or industrial applications, consult with lab supply specialists to ensure compatibility with your specific needs.

Details:

Constructed from high borosilicate 3.3 glass with excellent transparency, resistance to acids, alkali's, and temperatures, ensuring long-term stability. Stonylab Allihn Condenser with 19/22 Joints, Borosilicate Glass Lab 200mm Stonylab mm:: Applied in distillation and reflex processes during synthesis experiments, serving as an efficient commonly used condensation device laboratories. Delivery: Shipping is available only within the Continental USA. 1-year limited manufacturer warranty.

Multi-bulb structure design in the condenser increases condensation surface area, suitable for prolonged reflex with higher efficiency than straight condensers. 200mm effective condensation length with 19/22 standard joints, facilitating airtight connections to distillation setups and receiving apparatus.

specifications plasticwarelabsuppy:

  • brand: Stonylab
  • model: 002649
  • part type: Condenser Joint
  • itemlength: 250
  • packageheight: 60
  • packagelength: 390
  • packagewidth: 70
  • size: 200 Mm
  • upc: 840371343517

payments plasticwarelabsuppy:

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

seller plasticwarelabsuppy:

  • city: Los Angeles, California
  • # reviews: 570
  • rating: 99.6%

returns plasticwarelabsuppy:

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

shipping plasticwarelabsuppy:

  • service: Expedited
  • type: Fixed
  • class: Expedited
  • cost: $0.00
  • transit: 4-8 Days

offer plasticwarelabsuppy:

  • quantity: 1
  • options: Ship-to-home
  • started: March 20, 2026
  • availability: In Stock
  • sold: 0

general plasticwarelabsuppy:

  • condition: New
  • Medical, Lab Dental Supplies > Glassware Plasticware > Other Medical Lab Glassware
part type: condenser joint, itemlength: 250, packageheight: 60, packagelength: 390, packagewidth: 70, size: 200 mm,
category: business & industrial > medical, lab dental supplies > glassware plasticware > medical lab glassware, sku: 13485042227942861,
Stonylab 002649 Is Similar To:
plasticwarelabsuppy logo
1 offer $61.75 USD
  • New. Offer #1 priced at $61.75 + $0.00 shipping estimate = $61.75* total. Multi-bulb structure design in the condenser increases the condensation surface area, suitable for prolonged reflux with higher efficiency than straight condensers.FREE SHIPPING

Copyright © plasticwarelabsuppy.com