1. Plasticware Lab Supplies For Sale
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  3. SYNTHWARE GLASS S161530

SYNTHWARE GLASS S161530 Stopcock Teflona 1/5 2MM 15. 2/30

S161530 Synthware Glass Stopcock 1 5 Teflona T-bore 2mm 15. 2/30

( Brand: Synthware Glass ), ( Manufacturer Part Number: S161530 ), ( Part Type: Stopcock ), ( Intended Use/discipline: Biological Laboratory, Dental Laboratory, Medical Laboratory, Microbiological Laboratory, Physical Laboratory )

Review SYNTHWARE GLASS Stopcock 1/5 Teflona T bore 2mm 15. 2/30

The **Synthware Glass S161530 Stopcock with Teflona T-Bore** is a precision-engineered valve designed for laboratory and industrial applications where reliability, chemical resistance, and low dead volume are paramount. This stopcock features a **2mm T-bore** (inner diameter) and a **15/23 male-to-female glass joint**, making it ideal for use in glassware setups requiring high flow rates while minimizing turbulence and contamination. The **Teflona (PTFE) plug** ensures exceptional chemical compatibility, resisting corrosion from acids, bases, solvents, and organic compounds, which makes it suitable for a wide range of experiments from organic synthesis and chromatography to pharmaceutical and analytical chemistry. The **ground glass joints** are precision-machined to provide a secure, leak-proof seal, reducing the risk of spills or cross-contamination in sensitive procedures. The stopcock s **smooth, low-friction operation** allows for precise control of fluid flow, whether adjusting solvent delivery in a distillation setup or regulating gas flow in a reaction vessel. Its **durable borosilicate glass construction** ensures thermal stability and resistance to thermal shock, making it safe for use with high-temperature applications. Whether integrated into a custom glass manifold, a chromatography system, or a laboratory-scale reactor, this stopcock delivers the durability and performance demanded by demanding scientific workflows.

### **Pros and Cons of buying a Synthware Glass S161530 Stopcock (Teflona T-Bore 2mm, 15/23)**

#### **Pros:**

1. **High-Quality Construction** The Synthware stopcock is made from borosilicate glass (Type 3.3), which is durable, resistant to thermal shock, and chemically inert. This ensures longevity and reliability in laboratory settings.

2. **Teflon-Coated Valve** The Teflona (Teflon-coated) valve reduces friction, making it easier to operate, especially when dealing with viscous or particulate samples. It also minimizes the risk of contamination from the valve material.

3. **T-Bore Design** The T-bore (T-shaped bore) reduces dead volume, which is beneficial for precise flow control and minimizes sample loss during transfers. This is particularly useful in chromatography, synthesis, and analytical work.

4. **Standardized Size (15/23 Joints)** The 15/23 ground glass joints are industry-standard, ensuring compatibility with most glassware and adapters in laboratory setups. This makes it easy to integrate into existing systems.

5. **Corrosion Resistance** The Teflon coating and borosilicate glass resist corrosion from most acids, bases, and organic solvents, making it suitable for a wide range of chemical applications.

6. **Durability** The reinforced glass construction and metal reinforcement (if present) provide structural integrity, reducing the risk of breakage during use.

7. **Compatibility with Vacuum and Pressure** The stopcock can handle moderate vacuum and pressure applications, though extreme conditions may require additional reinforcement or alternative materials.

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#### **Cons:**

1. **Potential for Leaks** Over time, the ground glass joints (15/23) may develop leaks if not properly lubricated or if the joints become misaligned. This requires regular maintenance with stopcock grease.

2. **Manual Operation** Unlike solenoid or motorized valves, this stopcock requires manual turning, which can be inconvenient for automated or high-throughput processes.

3. **Limited Temperature Range** While borosilicate glass is heat-resistant, extreme temperatures (e.g., near melting points of certain solvents) may still pose risks, especially if the Teflon coating degrades.

4. **Maintenance Requirements** The Teflon coating may wear out over time, requiring occasional replacement or reapplication. The ground glass joints also need periodic cleaning and relubrication.

5. **Not Ideal for High-Pressure Applications** While it handles moderate pressure, it is not designed for high-pressure systems (e.g., above 10-15 psi without additional reinforcement).

6. **Cost Compared to Alternatives** High-quality glass stopcocks like this one are more expensive than plastic or metal alternatives, though they offer superior chemical resistance and durability.

7. **Breakage Risk** Despite its strength, glassware can still shatter if dropped or subjected to thermal shock (e.g., rapid temperature changes). Care must be taken during handling.

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### **Conclusion:**

The **Synthware Glass S161530 Stopcock (Teflona T-Bore 2mm, 15/23)** is a **high-quality, reliable choice** for laboratories requiring precise flow control, chemical resistance, and low dead volume. Its **Teflon coating, borosilicate glass construction, and T-bore design** make it well-suited for **synthesis, chromatography, and analytical chemistry**, where contamination and dead space are critical concerns.

However, its **manual operation, maintenance needs, and potential for leaks** may be drawbacks for users seeking **automation or extreme durability**. If these factors are not dealbreakers, this stopcock is an excellent investment for **precision and longevity** in laboratory applications.

### **Recommendation:**

- **Buy if:** You need a **durable, chemically resistant stopcock** for **synthesis, chromatography, or general lab use**, and you are willing to perform **regular maintenance (lubrication, cleaning)**. The T-bore and Teflon coating justify the cost for applications where **minimal dead volume and contamination resistance** are priorities.

- **Consider alternatives if:** You require **automation, high-pressure handling, or extreme temperature resistance**, in which case **metal or plastic stopcocks (e.g., PTFE or stainless steel)** may be more suitable.

- **Best for:** **Academic labs, pharmaceutical research, organic synthesis, and analytical chemistry** where **glassware integrity and low dead volume** are essential.

For most **standard laboratory applications**, this stopcock is a **strong, well-engineered choice** that balances performance and reliability.

Details:

Shipped with USPS Ground Advantage. Synthware Glass Stopcock, 1:5 TEFLONa, T-BORE, 2mm, 15. Condition is New.

part #: s161530 price

  • $42.46

specifications plasticwarelabsuppy:

  • brand: Synthware Glass
  • mpn: S161530
  • part type: Stopcock
  • intended use/discipline: Biological Laboratory, Dental Laboratory, Medical Laboratory, Microbiological Laboratory, Physical Laboratory

general plasticwarelabsuppy:

  • Medical, Lab Dental Supplies > Glassware Plasticware > Other Medical Lab Glassware
  • condition: New Open box

payments plasticwarelabsuppy:

  • wallet: Apple-pay
  • credit card: Visa
  • other

shipping plasticwarelabsuppy:

  • cost: $14.00
  • service: USPS Ground Advantage
  • transit: 5-11 Days
  • class: Standard
  • carrier: USPS
  • type: Calculated

returns plasticwarelabsuppy:

  • policy: No Returns

offer plasticwarelabsuppy:

  • availability: In Stock
  • started: April 5, 2026
  • options: Ship-to-home
  • quantity: 13
  • best offers: True
  • sold: 0

seller plasticwarelabsuppy:

  • # reviews: 1767
  • rating: 99.4%
  • city: Tucson, Arizona
part type: stopcock, intended use/discipline: biological laboratory, dental laboratory, medical laboratory, microbiological laboratory, physical laboratory,
category: business & industrial > medical, lab dental supplies > glassware plasticware > medical lab glassware, sku: 13616124274025633,
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1 offer $42.46 USD
  • New – Open box. Offer #1 priced at $42.46 + $15.10 shipping estimate = $57.56* total. +$15.10 shipping

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