LABGLASS LG-8030-100 Neck Flange Reaction Vessel Cover Fair 24/40

( Brand: Labglass ), ( Manufacturer Part Number: LG-8030-100 ), ( Part Type: Cover Flange )

Review LABGLASS Neck Conical Flange Reaction Vessel Cover 24/40 Fair

The **Labglass LG-8030-100 Neck Flange Reaction Vessel Cover (24/40 Joint, Fair)** is a precision-engineered accessory designed to enhance the functionality and safety of standard laboratory reaction vessels, particularly those requiring controlled headspace or gas exchange. Crafted from high-quality borosilicate glass (Type 3.3), this cover is engineered to withstand rigorous chemical and thermal demands, making it ideal for applications in synthetic chemistry, pharmaceutical development, materials science, and academic research. Its **24/40 standard taper joint** ensures a secure, leak-proof seal with compatible reaction vessels, while the **fair (flat) design** of the flange provides a broad, stable platform for mounting additional components without compromising the vessel s structural integrity. The cover features a **central neck flange** that can accommodate a variety of adapters, including gas inlet/outlet ports, condensers, or mechanical stirrers, allowing for versatile customization depending on experimental requirements. Whether used for distillation, reflux, or stirred reactions, this cover minimizes evaporation losses and contamination risks while maintaining transparency for visual monitoring of reactions. Its durable construction and compatibility with standard laboratory glassware make it a reliable choice for both routine and high-precision procedures, ensuring consistent performance across a wide range of chemical processes.

**Pros and Cons of buying a Labglass LG-8030-100 (Neck Flange Reaction Vessel Cover, 24/40 Joint, Fair)**

### **Pros**

1. **Compatibility with Standard Glassware** The 24/40 joint ensures seamless integration with other glassware components commonly used in laboratories, such as round-bottom flasks, condensers, and adapters. This reduces the need for custom fittings and simplifies setup.

2. **Durability and Chemical Resistance** Made from borosilicate glass (likely Type 3.3, though not explicitly stated), this cover is resistant to most acids, bases, and organic solvents, making it suitable for a wide range of chemical reactions. Borosilicate glass also has a high thermal shock resistance, allowing for gradual heating and cooling without cracking.

3. **Secure Sealing** The flange design provides a tight seal when paired with a compatible vessel, preventing leaks during reactions under pressure or vacuum. This is particularly useful for distillation, reflux, or reactions requiring controlled atmospheres.

- Reflux reactions (with a condenser attached).

- Distillation setups (when paired with a distillation head).

- Stirred reactions (if combined with a stir bar and motor).

- Vacuum or pressure applications (if the vessel is rated for such conditions).

5. **Easy to Clean and Sterilize** Glass components are non-porous and can be thoroughly cleaned with solvents or sterilized with heat or autoclaving, reducing contamination risks in sensitive experiments.

6. **Long Lifespan** High-quality borosilicate glass is less prone to degradation over time compared to plastic or lower-grade glass, making this cover a cost-effective investment for frequent use.

7. **Compatibility with Common Lab Equipment** The 24/40 joint is a standard size, so it works with most condensers, adapters, and other glassware from reputable manufacturers like Labglass, Ace Glass, or Kimble.

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### **Cons**

1. **Fragility** While borosilicate glass is more durable than soda-lime glass, it can still shatter if subjected to sudden thermal shock (e.g., placing a hot vessel in cold water) or mechanical stress (e.g., dropping it). Care must be taken during handling and assembly.

2. **Limited Pressure/Vacuum Ratings** Unless specified otherwise, standard borosilicate glassware may not be rated for high-pressure or deep vacuum applications. For such uses, specialized vessels (e.g., Parr reactors or high-pressure flasks) are required. Always check the manufacturer s specifications.

3. **Assembly Complexity** The flange design may require careful alignment with the vessel s neck to ensure a proper seal. Improper fitting can lead to leaks or difficulty in attaching other components like condensers.

4. **Cost** High-quality borosilicate glassware is more expensive than plastic or lower-grade glass alternatives. However, this is often justified by its durability and chemical resistance.

5. **Maintenance of Joints** Over time, the 24/40 joint may accumulate residue from reactions, requiring periodic cleaning with solvents (e.g., acetone or ethanol) to maintain a tight seal. Neglecting this can lead to leaks.

6. **Weight** Glass components are heavier than plastic alternatives, which may be a consideration for laboratories with ergonomic concerns or limited bench space.

7. **Potential for Scratches or Damage** The glass surface can scratch or chip if abrasive materials (e.g., metal tools) are used during assembly or cleaning. This may compromise the seal over time.

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### **Conclusion**

The **Labglass LG-8030-100 neck flange reaction vessel cover** is a reliable and versatile component for laboratories requiring standard glassware setups. Its borosilicate construction ensures chemical resistance, thermal stability, and compatibility with a wide range of reactions. The 24/40 joint makes it easy to integrate into existing systems, while its durability justifies the investment for frequent use.

However, its fragility and the need for careful handling are important considerations. It is not suitable for high-pressure or extreme vacuum applications without additional reinforcement. For most standard laboratory procedures such as reflux, distillation, or stirred reactions the cover offers excellent performance.

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### **Recommendation**

- You need a **standard, high-quality borosilicate glass cover** for routine laboratory reactions (e.g., reflux, distillation, or stirred reactions).

- Your setup requires **24/40 joint compatibility** with other glassware.

- You prioritize **chemical resistance, thermal stability, and longevity** over cost savings.

- You are willing to invest in **proper handling and maintenance** to prevent damage.

- You require **high-pressure or deep vacuum applications** (opt for specialized reactors instead).

- You frequently work with **abrasive or highly corrosive substances** that may degrade the glass over time (evaluate plastic or PTFE-lined alternatives).

- Your budget is extremely limited, and you can find **lower-cost plastic covers** that meet your needs for non-critical applications.

- You lack experience with **glassware assembly** and may struggle with proper sealing or alignment.

**Final Verdict:** For most academic, industrial, or research laboratories performing standard glassware reactions, the **Labglass LG-8030-100** is a **highly recommended purchase** due to its reliability, compatibility, and durability. Pair it with proper safety practices (e.g., using protective gloves, avoiding thermal shock) to maximize its lifespan.

Details:

Privacy: Rest assured your information will not be given, sold, rented or loaned to any third party. Shipping Details: originates from zip code 95742. Unit has a small chip on the outlet. Item was recently removed from working service and is in excellent order.

If a custom power cord or AC adapter is required for the item, it only included if pictured described above. Item will come with a 30 Day Warranty. Cosmetically in fair condition showing moderate to heavier scuffs / scratches blemishes from previous use. Photos are of the actual unit for sale.

Includes 3-Neck Conical Flange Reaction Vessel Cover 24/40 as pictured.

part #: lg8030100 prices

• $149.99-$172.89

specifications plasticwarelabsuppy:

• brand: Labglass
• mpn: Lg-8030-100
• part type: Cover Flange

offer plasticwarelabsuppy:

• quantity: 1
• sold: 0
• availability: In Stock
• started: May 29, 2026
• options: Ship-to-home

general plasticwarelabsuppy:

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

payments plasticwarelabsuppy:

• other
• wallet: Apple-pay
• credit card: Diners-club

shipping plasticwarelabsuppy:

• type: Fixed
• service: Standard, Expedited, Overnight
• transit: 4-10 Days
• class: Standard, Expedited, One-day
• cost: $0.00

returns plasticwarelabsuppy:

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

seller plasticwarelabsuppy:

• city: Rancho Cordova, California
• rating: 99.9%
• # reviews: 44278

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