ACE GLASS 8064-13 Stirrer Bearing Shaft Ptfe Blade Set 24/40

( Brand: Ace Glass ), ( Manufacturer Part Number: 8064-13 ), ( Part Type: Bearing Stirrer Shaft Blade ), ( Country Of Origin: United States ), ( Intended Use/discipline: Chemistry/biochemistry/biology Laboratory )

Review ACE GLASS Stirrer Assembly 24/40 Bearing Shaft And Ptfe Blade Set

The **Ace Glass 8064-13 Stirrer with 24/40 Bearing Shaft and PTFE Blade Set** is a precision-engineered laboratory accessory designed to deliver reliable and efficient mixing performance in a wide range of chemical, biological, and pharmaceutical applications. This high-quality stirrer features a robust **24/40 standard taper joint**, ensuring a secure and leak-proof connection to compatible glassware, including flasks, beakers, and reaction vessels, while maintaining optimal sterility and ease of assembly. The **bearing shaft** is meticulously crafted to provide smooth, low-friction operation, reducing wear and extending the lifespan of both the stirrer and the motor assembly, making it ideal for prolonged stirring sessions without overheating or mechanical failure.

The **PTFE (polytetrafluoroethylene) blade set** is a standout feature, offering exceptional chemical resistance and non-reactivity with virtually all solvents, acids, and bases, including strong oxidizing agents. PTFE s inert properties prevent contamination of sensitive samples, ensuring accurate and reproducible results in demanding experiments such as polymerization, crystallization, or sensitive biochemical assays. The blades are designed with a sleek, aerodynamic profile to maximize turbulence and mixing efficiency, promoting uniform dispersion of liquids and solids while minimizing splashing. Their smooth, non-stick surface also facilitates easy cleaning and maintenance, a critical consideration in laboratories where sterility and precision are paramount.

Constructed from durable materials, the Ace Glass stirrer is built to withstand the rigors of heavy-duty laboratory use, including high-speed stirring and exposure to corrosive environments. The **24/40 joint** adheres to industry standards, ensuring compatibility with a vast array of glassware and accessories, while the PTFE blade set s compatibility with a wide temperature range from cryogenic to high-heat applications makes it versatile for both low-temperature and elevated-temperature processes. Whether used in routine synthesis, large-scale production, or delicate analytical procedures, this stirrer delivers consistent performance with minimal maintenance, making it a trusted tool for researchers, chemists, and technicians seeking reliability and precision in their mixing operations.

**Pros and Cons of buying a Ace Glass 8064-13 Stirrer (24/40 Bearing Shaft, PTFE Blade Set)**

### **Pros**

1. **High-Quality Construction** The stirrer features a durable stainless steel shaft with a 24/40 joint, ensuring compatibility with standard laboratory glassware. The PTFE (polytetrafluoroethylene) blade is chemically resistant, making it suitable for a wide range of solvents and corrosive substances.

2. **Precision Engineering** The bearing assembly is designed to provide smooth, low-friction operation, reducing wear and extending the lifespan of the stirrer. This is particularly useful for long-term or high-intensity mixing applications.

3. **Versatility** The PTFE blade is non-reactive, meaning it won t contaminate sensitive samples, making it ideal for pharmaceutical, biochemical, and analytical chemistry applications. The 24/40 joint ensures a secure and leak-proof connection to flasks and other glassware.

4. **Compatibility with Standard Lab Equipment** The 24/40 joint is a widely accepted laboratory standard, meaning this stirrer will work seamlessly with most magnetic stirrers, hot plates, and other mixing devices.

5. **Easy to Clean and Maintain** PTFE is non-porous and resistant to most chemicals, making it easy to clean and sterilize. The smooth surface also prevents bacterial buildup, which is beneficial for sterile applications.

6. **Cost-Effective for Laboratory Use** While not the cheapest option, the durability and performance of this stirrer make it a cost-effective investment for laboratories that require reliable stirring over extended periods.

7. **Suitable for High-Temperature Applications** PTFE has a high thermal stability, allowing the stirrer to be used in applications involving moderate to high temperatures without degradation.

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### **Cons**

1. **Limited to Glassware with 24/40 Joints** If your laboratory primarily uses non-standard glassware (e.g., 19/26 joints or plastic containers), this stirrer may not be compatible, requiring additional adapters or alternative equipment.

2. **Potential for PTFE Wear Over Time** While PTFE is durable, prolonged use with abrasive materials or high-speed stirring could lead to gradual wear of the blade, necessitating eventual replacement.

3. **Not Ideal for Very High-Speed Stirring** The bearing assembly may not be optimized for extremely high-speed applications (e.g., above 1,500 RPM), where specialized high-speed stirrers with ceramic bearings might be more appropriate.

4. **Weight and Bulk** The stainless steel shaft and bearing assembly add weight to the stirrer, which could be less convenient for manual handling compared to lighter alternatives.

5. **Potential for Contamination Risks with Improper Use** Although PTFE is non-reactive, improper cleaning or exposure to certain aggressive chemicals (e.g., highly fluorinated compounds) could still pose risks, though this is rare with proper usage.

6. **Higher Initial Cost Compared to Basic Stirrers** For basic laboratory tasks, simpler stirrers with plastic or lower-grade blades may suffice at a lower cost. This stirrer is best justified for specialized or high-demand applications.

7. **Limited Availability of Replacement Parts** While PTFE blades and bearings are durable, if a component fails, finding exact replacements may be more challenging than with more widely available stirrers.

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### **Conclusion**

The Ace Glass 8064-13 stirrer is a high-quality, reliable choice for laboratories requiring precise and chemically inert stirring. Its PTFE blade and stainless steel construction make it ideal for applications involving sensitive samples, corrosive chemicals, or high-temperature conditions. The 24/40 joint ensures broad compatibility with standard laboratory glassware, and the bearing assembly provides smooth, long-lasting performance.

However, its suitability depends on your specific needs. If your workflow involves only basic stirring or non-standard glassware, a more affordable or simpler stirrer might be sufficient. On the other hand, if you require a durable, chemically resistant, and versatile stirring solution for demanding applications, this stirrer is a strong recommendation.

### **Recommendation**

- You work in a laboratory setting where chemical resistance and precision are critical (e.g., pharmaceutical, biochemical, or analytical chemistry).

- Your glassware uses the 24/40 joint standard.

- You need a long-term, low-maintenance stirring solution for moderate to high-intensity applications.

- You prioritize compatibility with a wide range of solvents and temperatures.

- Your laboratory primarily uses non-standard glassware (e.g., 19/26 joints or plastic containers).

- You require extremely high-speed stirring (above 1,500 RPM), in which case a high-speed ceramic-bearing stirrer may be better.

- Budget constraints make a simpler, lower-cost stirrer more practical for your needs.

- You frequently handle highly abrasive or particulate-heavy samples that could wear down the PTFE blade quickly.

Details:

I found an assortment of blades, several which have yellowed over the years, but all entirely functional. This is a vintage, 224/40 joint Glass overhead stirrer bearing and assembly. It is in pristine condition.

part #: 806413 price

• $205.00

specifications plasticwarelabsuppy:

• brand: Ace Glass
• mpn: 8064-13
• part type: Bearing Stirrer Shaft Blade
• country of origin: United States
• intended use/discipline: Chemistry/biochemistry/biology Laboratory

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• city: Rush, New York
• # reviews: 454

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

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• started: May 28, 2026
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