CHEMGLASS AF-0070-05 Schlenk Ring Serrated Hose Connection 15MM 10MM
( Brand: Chemglass ), ( Manufacturer Part Number: AF-0070-05 ), ( Model: 15MM ), ( Part Type: Ring Hose ), ( Intended Use/discipline: Biological Laboratory, Microbiological Laboratory )
Review CHEMGLASS Schlenk Ring 10mm Serrated Hose Connection
The Chemglass AF-0070-05 Schlenk 15mm Ring with 10mm Serrated Hose Connection is a precision-engineered component designed for seamless integration into high-vacuum and inert-atmosphere laboratory setups, particularly those requiring reliable sealing and secure connections in Schlenk line applications. Crafted from durable, high-quality glass, this ring features a standard 15mm outer diameter, ensuring compatibility with a wide range of Chemglass and industry-standard Schlenk joints, flasks, and reaction vessels. The 10mm serrated hose connection, a hallmark of Chemglass s engineering, provides a tight, leak-proof seal when paired with compatible silicone or Teflon tubing, making it ideal for applications where gas tightness and minimal dead volume are critical such as in Schlenk reactions, distillation setups, or inert gas purges. The serrations on the hose connection enhance grip and prevent slippage, while the smooth, polished glass surface minimizes residue buildup and ensures easy cleaning, a necessity in rigorous laboratory environments. Whether used in organic synthesis, polymer chemistry, or materials science, this Schlenk ring delivers both functionality and reliability, allowing researchers to maintain controlled atmospheres and precise reaction conditions with confidence. Its robust construction and compatibility with standard laboratory glassware make it an indispensable accessory for any advanced synthetic or analytical procedure.
The **Chemglass AF-0070-05** is a **15mm OD Schlenk ring with a 10mm serrated hose connection**, commonly used in laboratory glassware for sealing flasks, condensers, and other glass apparatus under inert atmospheres (e.g., Schlenk lines, gloveboxes, or vacuum systems). Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.
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### **Pros of the Chemglass AF-0070-05 Schlenk Ring**
1. **High Compatibility with Standard Glassware**
- The **15mm OD** size is widely used in laboratory glassware, making it compatible with most **Chemglass, Kontes, Ace Glass, and other standard Schlenk flasks, round-bottom flasks, and condensers**.
- Works seamlessly with **15mm OD ground glass joints**, ensuring a secure seal when properly lubricated.
2. **Durable and Chemically Resistant**
- Chemglass products are known for their **high-quality borosilicate glass (Type 1 or 3.3)**, which resists thermal shock and most chemicals.
- The **serrated hose connection (10mm OD)** is designed to grip rubber or silicone tubing tightly, reducing slippage during vacuum or inert gas applications.
3. **Versatile Applications**
- Suitable for **Schlenk lines, gloveboxes, vacuum systems, and inert atmosphere work** (e.g., air-sensitive chemistry, polymer synthesis, or organometallic reactions).
- Can be used with **rubber septa, Teflon tape, or vacuum grease** for sealing, depending on the application.
4. **Easy to Clean and Sterilize**
- Glass components are **easy to clean with solvents (acetone, ethanol) or piranha solution** and can be sterilized by autoclaving (if not damaged).
- No metal parts to corrode or degrade over time.
5. **Standardized Sizing**
- The **15mm OD/10mm hose connection** is a **common industry standard**, making it easy to find replacements or compatible parts.
- Works with **Chemglass AF-0070 series adapters, stopcocks, and valves**.
6. **Low Maintenance**
- Unlike metal fittings (e.g., Swagelok), glass joints require **minimal upkeep** just occasional re-lubrication with high-vacuum grease or silicone grease if needed.
7. **Transparency and Visual Inspection**
- Glass allows **visual confirmation of leaks or blockages** in the system, which is difficult with opaque metal fittings.
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### **Cons of the Chemglass AF-0070-05 Schlenk Ring**
1. **Fragility Compared to Metal Fittings**
- Glass is **more prone to breakage** than metal or stainless steel fittings, especially if dropped or subjected to thermal shock (e.g., rapid heating/cooling).
- **Not ideal for high-pressure applications** (though Schlenk lines typically operate under low pressure).
2. **Requires Proper Lubrication for Sealing**
- Without **vacuum grease, silicone grease, or Teflon tape**, the seal may leak, especially under vacuum or inert gas flow.
- Over-lubrication can introduce contaminants (e.g., grease residues) into sensitive reactions.
3. **Limited Pressure and Temperature Range**
- While borosilicate glass can handle **moderate temperatures (up to 300 C)**, extreme conditions (e.g., high-pressure hydrogenations or cryogenic work) may require **specialty glass or metal alternatives**.
- **Not suitable for high-vacuum systems below 10 -3 Torr** without proper sealing techniques.
4. **Potential for Glass Fatigue Over Time**
- Repeated sealing/unsealing cycles can **weaken the glass**, leading to cracks or leaks over prolonged use.
- **Not as durable as metal fittings** for long-term, high-cycle applications.
5. **Incompatibility with Some Solvents**
- While borosilicate glass is resistant to most organic solvents, **strong acids (HF, hot NaOH) or highly alkaline solutions** can etch the glass over time.
- **Not recommended for hydrofluoric acid (HF) exposure** without proper protection.
6. **Assembly Can Be Time-Consuming**
- Proper alignment and lubrication are **critical** misalignment can lead to leaks or damage.
- Requires **patience and practice** to achieve a reliable seal, especially for beginners.
7. **Limited Availability of Replacement Parts**
- While Chemglass is a reputable supplier, **some specialty adapters or seals may not be as widely available** as metal fittings (e.g., Swagelok).
- **Not all labs stock Chemglass parts**, which may require ordering.
8. **Potential for Contamination from Grease**
- If **poor-quality grease** is used, it can introduce impurities into reactions, especially in **air-sensitive chemistry**.
- Requires **high-purity grease** (e.g., Apiezon, Krytox, or silicone-based) for sensitive applications.
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### **Conclusion**
The **Chemglass AF-0070-05 Schlenk ring** is an **excellent choice** for most **standard laboratory applications** involving **Schlenk lines, inert atmosphere work, or vacuum systems** where **glass compatibility and chemical resistance** are priorities. Its **standardized sizing, durability, and ease of cleaning** make it a **reliable and cost-effective** option for many organic, polymer, and materials chemistry labs.
However, if your application involves **high pressure, extreme temperatures, frequent high-vacuum use, or aggressive chemicals (e.g., HF)**, **metal fittings (e.g., Swagelok, Kel-F, or stainless steel)** may be a better long-term solution despite higher upfront costs. Additionally, **beginners should exercise caution** when assembling glass joints to avoid leaks or breakage.
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### **Recommendation**
**Buy the Chemglass AF-0070-05 if:**You need a **standard, glass-based Schlenk connection** for **moderate vacuum/inert gas work**.
Your lab already uses **Chemglass or similar borosilicate glassware**.
You require **chemical compatibility with most organic solvents and moderate temperatures**.
You are working with **air-sensitive compounds** where glass is preferred over metal.
**Consider alternatives (e.g., metal fittings) if:**Your system requires **high vacuum (
You work with **extreme temperatures (above 300 C or cryogenic conditions)**.
You frequently handle **corrosive chemicals (HF, strong bases) or abrasive slurries**.
You prioritize **durability and ease of maintenance** over glass compatibility.
**Final Tip:**- Always use **high-quality vacuum grease** (e.g., Apiezon M, Dow Corning High-Vacuum Grease) for sealing.
- Store glass joints **carefully** to prevent chips or cracks.
- If leaks occur, **recheck lubrication and alignment** before replacing parts.
For most **standard Schlenk line applications**, the **Chemglass AF-0070-05 is a solid, cost-effective choice**. However, assess your specific needs to ensure it aligns with your experimental requirements.
Details:
Manufacturer. 30 DAY, WARRANTY: This instrument is backed with a 30-day warranty, protecting you against breakdowns and damage. They are very responsive, especially Micah. I feel very lucky.
Because we placed an order through New Life Scientific for a used Loopholes, were able to get that super fast, so could move forward. I could not be happier with the piece of equipment that was able to get through New Life. Chemglass Schlenk B Serrated Hose Connection - 30 Day Warranty, Specifications. I looked at a few local refurbishing companies.
I wouldn't say had bad experiences, BUT only good experiences with New Life Scientific. They really make me feel like an important customer. Airfare, Schlenk, B, 15MM O-Ring Joint to 10mm Serrated Hose Connection. Quality, Inspection: Our instruments are inspected, tested, repaired, serviced and supported by our technicians.
part #: af007005 prices
- $20.00-$99.00
specifications plasticwarelabsuppy:
- brand: Chemglass
- mpn: Af-0070-05
- model: 15mm
- part type: Ring Hose
- intended use/discipline: Biological Laboratory, Microbiological Laboratory
seller plasticwarelabsuppy:
- rating: 99.5%
- city: Lima, Ohio
- # reviews: 8542
offer plasticwarelabsuppy:
- quantity: 1
- options: Ship-to-home
- best offers: True
- availability: In Stock
- sold: 0
- started: March 18, 2026
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- service: UPS Ground, UPS 3 Day Select, UPS 2nd Day Air, UPS Next Day Air
- class: Standard, Expedited, One-day
- type: Calculated
- cost: $21.09
- carrier: UPS
- transit: 2-6 Days
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general plasticwarelabsuppy:
- condition: New Open box
- Medical, Lab Dental Supplies > Glassware Plasticware > Other Medical Lab Glassware
returns plasticwarelabsuppy:
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- time: 30 Days
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