Products Lab Consumables & Materials PTFE material PTFE flask/PTFE three-necked flask/PTFE round bottom flask
PTFE flask/PTFE three-necked flask/PTFE round bottom flask

PTFE material

PTFE flask/PTFE three-necked flask/PTFE round bottom flask

Item Number : PTFE-36

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Material
PTFE
Specification
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Applications

The PTFE Flask (three-necked bottle) is a versatile laboratory tool designed for various applications due to its chemical resistance, temperature tolerance, and inert properties. This flask is particularly useful in environments where exposure to aggressive chemicals or high temperatures is common. Here are the main application areas:

  • Chemical Synthesis: Ideal for reactions involving corrosive substances, where the inertness of PTFE prevents any chemical interaction with the flask.
  • Research and Development: Commonly used in academic and industrial research labs for experiments involving a wide range of temperatures and chemicals.
  • Quality Control: Employed in analytical chemistry for volumetric analysis and other quality control processes where chemical resistance and accuracy are paramount.
  • Education: Used in educational settings to demonstrate chemical reactions and techniques due to their safety features and ease of use.
  • Environmental Testing: Suitable for handling samples in environmental analysis, especially where the sample may contain aggressive chemicals.
  • Pharmaceutical Research: Used in pharmaceutical applications where the purity of the materials is critical, as PTFE does not react with the substances being processed.
  • Heat Treatment: Capable of withstanding temperatures from -200°C to +250°C, making it suitable for heat treatment of samples.
  • Laboratory Scale Distillation and Evaporation: The three-necked design allows for multiple attachments, making it perfect for distillation setups and rotary evaporation processes.
  • General Laboratory Use: Its durability and resistance to breakage make it a reliable choice for general laboratory tasks where glass or other materials might be unsuitable.

Features

The PTFE flask, is an essential piece of laboratory equipment designed for a variety of chemical processes. Made from high-quality PTFE (Polytetrafluoroethylene), these flasks offer a range of features that enhance their functionality and safety in laboratory settings. PTFE is renowned for its chemical resistance, durability, and temperature adaptability, making it an ideal material for laboratory glassware. Below are the key features of the PTFE flask that benefit users in their experiments and processes.

  • High Temperature Resistance: Capable of withstanding temperatures from -200°C to +250°C, the PTFE flask ensures stability and safety during high-temperature reactions and processes. This broad temperature range allows for versatility in various laboratory applications.
  • Corrosion Resistance: The flask is resistant to strong acids, strong alkalis, aqua regia, and various organic solvents. This resistance ensures that the flask does not dissolve, adsorb, or precipitate, maintaining the integrity of the chemicals and the accuracy of the experiments.
  • Anti-Pollution Properties: With low blank values of metal elements, the PTFE flask minimizes contamination risks, which is crucial for precise analytical and scientific research. This feature is particularly beneficial in volume analysis and heat treatment sample processes.
  • Translucent Design: The translucent nature of the flask allows for easy observation of the contents without the need to open the flask, enhancing safety and efficiency in the lab.
  • Non-Stick Surface: The non-stick surface of the PTFE flask simplifies cleaning, reducing the risk of cross-contamination and saving time in the laboratory.
  • Variety of Volumes: Available in various volumes, these flasks can be selected according to specific experimental needs, providing flexibility in laboratory setups.
  • Non-Leachable Material: Ensures an ultra-clean background, which is crucial for maintaining the integrity of sensitive chemical reactions and analyses.

These features not only enhance the performance and safety of the PTFE flask but also contribute to the efficiency and accuracy of laboratory experiments, making it a valuable asset in any laboratory setting.

Details & Parts

PTFE three-necked flask

PTFE three-necked flask

PTFE three-necked flask

PTFE three-necked flask

PTFE three-necked flask

PTFE three-necked flask

PTFE round bottom flask

PTFE round bottom flask

Advantages

The PTFE three-necked bottle, offers a range of advantages that make it a superior choice for various laboratory applications. Here are some of the key benefits:

  • Excellent Chemical Resistance: These flasks are extremely inert and resistant to a wide range of chemicals, including corrosive substances like hydrofluoric acid. This makes them ideal for handling aggressive reagents without the fear of contamination or damage to the flask.
  • Durability and Safety: Unlike glass, PTFE flasks are unbreakable, reducing the risk of injury and contamination from glass shards. They are also lightweight, making them safer and easier to handle, especially in busy laboratory environments.
  • Low Coefficient of Friction and Lubricity: The surface of PTFE flasks is naturally smooth and non-stick, which aids in easy pouring and cleaning. This also minimizes the adhesion of substances to the flask, ensuring accurate measurements and reducing the risk of cross-contamination.
  • Excellent Dielectric Properties: PTFE flasks are excellent insulators, which is beneficial in experiments involving electrical properties or where electrical insulation is required.
  • Cost-Effectiveness: Despite their high-quality material and performance, PTFE flasks are competitively priced, offering a cost-effective solution for laboratories without compromising on quality or safety.
  • Corrosion Resistance: The PTFE material used in these flasks is highly resistant to strong acids, strong alkalis, aqua regia, and various organic solvents. This ensures that the flask does not dissolve, adsorb, or precipitate, maintaining the integrity of the substances contained within.
  • Temperature Resistance: With the ability to withstand temperatures from -200ºC to +250ºC, these flasks are incredibly versatile and can be used in a wide range of heating and cooling processes without degradation.
  • Anti-Pollution Properties: The low blank value of metal elements in PTFE ensures that the flask does not introduce any metallic contamination into the samples, which is crucial for accurate and reliable results in analytical chemistry.
  • High-Temperature Stability: PTFE's high-temperature resistance up to 260ºC makes it suitable for use in high-temperature reactions and processes, ensuring that the flask does not deform or degrade under heat.
  • Chemical Compatibility: PTFE is inert and compatible with most chemicals, including hydrofluoric acid, making it an ideal choice for a variety of chemical reactions and storage needs.
  • Sterilization Ease: The material's inert nature allows for easy sterilization, which is essential in applications involving biological samples or where contamination must be minimized.
  • Versatility: The three-necked design of the PTFE flask allows for multiple attachments, such as stirrers, thermometers, and condensers, making it a versatile tool for complex laboratory setups and processes.

In summary, PTFE round-bottomed flasks combine the robustness of traditional glassware with the added benefits of PTFE's unique properties, making them a superior choice for modern laboratories dealing with a wide range of chemical and biological applications.

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FAQ

What is polytetrafluoroethylene (PTFE)?

Polytetrafluoroethylene (PTFE) is a synthetic fluoropolymer of tetrafluoroethylene. It is a white, waxy solid that is known for its exceptional nonstick properties, high chemical resistance, and low friction coefficient. PTFE is widely recognized by its brand name Teflon, which is a registered trademark of Chemours, a spin-off of DuPont.

How should PTFE round-bottomed flasks be heated?

When heating, PTFE round-bottomed flasks should generally be placed on an asbestos net to ensure even heating. They should not be burned dry.

What are the advantages of using a PTFE Volumetric Flask over glass or PP flasks?

PTFE Volumetric Flasks offer several benefits including being opaque, unbreakable, and easy to clean. They are lightweight, microwaveable, and have excellent chemical resistance, moisture resistance, and high temperature resistance, making them suitable for harsh laboratory conditions.

What are the key properties and characteristics of PTFE?

PTFE possesses several unique properties that make it highly desirable for various applications. It has excellent chemical resistance, being virtually unaffected by most chemicals and solvents. PTFE is also non-reactive, making it suitable for use in harsh environments. It has a low coefficient of friction, providing excellent nonstick properties, and it retains its nonstick characteristics even at high temperatures. PTFE is also electrically insulating, with high dielectric strength, and has a wide temperature range of -200 to +260 degrees Celsius (-328 to +500 degrees Fahrenheit). Additionally, PTFE is biologically inert, making it suitable for use in medical and food-grade applications.

What are the applications of PTFE?

PTFE finds applications in a wide range of industries due to its unique properties. It is commonly used as a nonstick coating for cookware, such as frying pans and baking sheets. PTFE is also used as a lining material for pipes, tanks, and vessels that handle corrosive chemicals. Its low friction coefficient makes it suitable for bearings, seals, and gaskets in various mechanical systems. PTFE is used in electrical insulation, such as wire and cable coatings, and it is also employed in the manufacturing of electrical components, such as connectors and insulators. Additionally, PTFE is utilized in medical devices, such as catheters and surgical implants, due to its biocompatibility.

What are the advantages of using PTFE?

The use of PTFE offers several advantages in various applications. Its exceptional nonstick properties make it easy to clean and release materials, reducing the need for excessive lubrication or cleaning agents. PTFE's high chemical resistance ensures long-term durability and protection against corrosion. Its low friction coefficient reduces wear and tear, improving the lifespan of mechanical systems. PTFE's electrical insulation properties make it safe for use in electrical applications. Furthermore, its biocompatibility makes it suitable for medical and food-grade applications. PTFE is also highly stable at high temperatures, maintaining its properties without degradation. Overall, the advantages of PTFE include its nonstick nature, chemical resistance, low friction, electrical insulation, biocompatibility, and high temperature stability.

Are there any limitations or considerations when using PTFE?

While PTFE has many desirable properties, there are some limitations and considerations to keep in mind. PTFE has a relatively low mechanical strength compared to other engineering materials, so it may not be suitable for applications that require high load-bearing capabilities. It also has a relatively high coefficient of thermal expansion, which needs to be considered for dimensional stability in certain applications. PTFE has poor adhesion properties, making it difficult to bond or paint directly onto its surface. Pre-treatments or specialized adhesives may be required for proper adhesion. Additionally, PTFE is susceptible to damage from high-energy radiation, so it may not be suitable for applications in radiation-intensive environments. It is also important to consider the potential release of toxic fumes when PTFE is heated above its recommended temperature range.
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4.7

out of

5

Impressive durability and chemical resistance, a must-have for any lab.

Anika Singh

4.8

out of

5

Unbeatable value for money, this flask has transformed our lab processes.

Carlos Müller

4.9

out of

5

Lightweight yet robust, perfect for high-temperature experiments.

Elena Petrova

4.7

out of

5

Excellent chemical compatibility, no issues with aggressive reagents.

Hiroshi Tanaka

4.8

out of

5

Super easy to clean and maintain, saves so much time.

Isabella Rossi

4.9

out of

5

Highly satisfied with the temperature resistance, reliable in every test.

Javier López

4.7

out of

5

Great investment for our lab, durable and cost-effective.

Katerina Novak

4.8

out of

5

The non-stick surface is a game-changer, no more stubborn residues.

Liam O'Brien

4.9

out of

5

Perfect for volumetric analysis, precise and consistent results.

Maria Sørensen

4.7

out of

5

Excellent dielectric properties, ideal for our electrical experiments.

Nikolai Ivanov

4.8

out of

5

Versatile and sturdy, handles all our lab needs with ease.

Sophia Leclerc

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