Products Lab Consumables & Materials PTFE material PTFE gasket
PTFE gasket

PTFE material

PTFE gasket

Item Number : PTFE-05

Price varies based on specs and customizations


Material
Polytetrafluoroethylene (ptfe)
Size
43*3mm / 30*3mm
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Application

Gaskets are materials placed between two flat surfaces to enhance the seal. To prevent fluid leakage, sealing elements are arranged between static sealing surfaces. It can be used in high temperature, high pressure, strong corrosive and inert medium environment. The following are its main areas of use:

  • Chemical industry: PTFE gaskets are commonly used in chemical reaction kettles, evaporators, heat exchangers, pipes and pumps in the chemical industry
  • Equipment sealing.
  • Petrochemical industry: common sealing surfaces in acid-base, high-temperature and high-pressure environments in the petrochemical industry, such as storage tanks, pipes, valves
  • PTFE gaskets can be used for doors, pumps, etc.
  • Food industry: Many equipment in the food industry need to use materials without impact substances. PTFE gasket is a kind of
  • There are good food grade safe materials. Such as food processing equipment, beverage production equipment, food delivery pipelines, etc.
  • Pharmaceutical industry: PTFE gaskets are very suitable for pharmaceutical production, storage and delivery equipment in the pharmaceutical industry such as reactors,
  • Sealing of pumps, pharmaceutical machinery, etc.
  • In short, PTFE gasket is a high-performance, multi-purpose, and widely-used material, which can play a good sealing role in various high-temperature, high-pressure, strong corrosive and inert medium environments. This product is primarily for vial septa.

Detail & Parts

PTFE gasket detail 1PTFE gasket detail 2PTFE gasket detail 3PTFE gasket detail 4PTFE gasket detail 5

The products we show are available in different sizes and custom sizes are available on request.

Advantages

  • Eliminate air leakage; have good elasticity and sealing.
  • The material is stable; it has good chemical inertness, acid resistance, alkali resistance, temperature resistance and adhesion resistance, and will not react with concentrated acid, concentrated alkali or strong oxidant even at high temperature.
  • Full of toughness; good resilience, sealing and lubricity physical properties.

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.

What considerations should be made for battery case gaskets?

When selecting battery case gaskets, several considerations should be made. Firstly, the gasket material should be compatible with the specific battery chemistry and electrolytes to ensure chemical resistance and prevent degradation over time. The gasket should also have proper sealing properties, providing an effective barrier against moisture, dust, and other contaminants. Additionally, the gasket should have good compression and recovery properties to maintain its sealing integrity even under pressure or compression. It is also important to consider the temperature range and environmental conditions in which the battery will be used, selecting a gasket material that can withstand the expected temperature extremes and provide reliable sealing. Consulting with gasket manufacturers or experts in the field can help in selecting the most appropriate gasket material for specific battery case applications.

Vial Septa Selection Guide.

PTFE: completely avoid silicone loss; economical and practical; single injection, non-resealable, poor sealing.PTFE/Silicone: The most commonly used septum, which has the corrosion resistance of PTFE and the sealing performance of silicone.PTFE/Red Rubber: The most economical septum for routine analysis, easy to pierce, moderately resealable, has the chemical resistance of PTFE before piercing and the chemical compatibility of rubber after piercing.PTFE/Silicone/PTFE: Effectively reduce silicone loss, suitable for multiple injections.Pre-sewn PTFE/silicone: avoid the loss of silicone fragments falling into the bottle during the puncture process, avoid the problem of difficult needle puncture caused by ordinary non-cut septa, and avoid negative pressure in the bottle after continuous injection.Molded PP (polypropylene): suitable for single injections, not recommended for long-term storage of samples; non-resealable MS only.

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 is the role of battery case gaskets?

Battery case gaskets are seals or gasketing materials used in battery cases to provide a tight and secure seal. These gaskets help prevent the ingress of moisture, dust, and other contaminants into the battery case, protecting the battery from damage and ensuring its longevity. They also help maintain the integrity of the battery's internal environment, such as preventing leakage of electrolytes in certain battery types.

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 lithium-air battery cases?

Lithium-air battery cases are enclosures specifically designed for lithium-air batteries. Lithium-air batteries are a type of rechargeable battery that utilize oxygen from the air as the cathode material, resulting in a high energy density. The cases for these batteries are designed to protect the battery and provide a controlled environment for the chemical reactions to occur.

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.

How should button battery cases be chosen for specific applications?

When choosing button battery cases for specific applications, it is important to consider factors such as battery size, voltage requirements, and the specific device or equipment in which the battery will be used. The case should be compatible with the battery size and shape to ensure a proper fit. Additionally, the electrical contacts on the case should align with the battery's terminals for a secure and reliable connection. It is also important to consider the material of the case, selecting one that is suitable for the intended application, such as plastic for lightweight devices or metal for more rugged environments.

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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4.8

out of

5

PTFE gaskets from KINTEK SOLUTION are top-notch. They provide an excellent seal, are resistant to chemicals and heat, and are durable.

Bhavya Gupta

4.9

out of

5

The PTFE gaskets I purchased from KINTEK SOLUTION are of exceptional quality. They are easy to install and maintain a tight seal even under high pressure.

Daria Petrova

4.7

out of

5

I've been using KINTEK SOLUTION's PTFE gaskets for years and they never disappoint. They are reliable, long-lasting, and provide a secure seal.

Ibrahim Al-Harbi

4.6

out of

5

KINTEK SOLUTION's PTFE gaskets are a great value for the price. They are affordable, yet they perform just as well as more expensive brands.

Marisol Perez

4.8

out of

5

The PTFE gaskets from KINTEK SOLUTION are technologically advanced and meet all of our laboratory's needs. They are leak-proof and can withstand extreme temperatures.

Oliver Chen

4.9

out of

5

KINTEK SOLUTION's PTFE gaskets are a lifesaver in our lab. They are easy to install and remove, and they create a tight seal that prevents leaks.

Amina Diallo

4.7

out of

5

I highly recommend KINTEK SOLUTION's PTFE gaskets. They are durable and can withstand harsh chemicals and high temperatures, making them ideal for our laboratory applications.

Lucas Souza

4.6

out of

5

The PTFE gaskets from KINTEK SOLUTION are a great addition to our lab. They are reliable and provide a secure seal, ensuring the accuracy of our experiments.

Hannah Kim

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