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Exploring the Benefits and Limitations of Encapsulated O-rings

Encapsulated O-rings are a type of sealing solution that consists of an O-ring that is completely encapsulated in a polymer or elastomer material. The most common type of encapsulated O-ring includes an elastomeric or metal energizer core that is fully encapsulated by a Teflon FEP or PFA jacket. This encapsulation provides an additional layer of protection to the O-ring, enhancing its resistance to wear, tear, and chemical exposure. In this blog, we will explore the benefits and applications of encapsulated O-rings.

Benefits of Encapsulated O-rings

Encapsulated O-rings offer several benefits over traditional O-rings, including:

Enhanced Wear Resistance: The encapsulation provides an additional layer of protection, which enhances the O-ring's wear resistance, prolonging its life and reducing the need for frequent replacements. However, encapsulated O-rings are not recommended for intense dynamic applications or abrasive media applications.

Improved Chemical Resistance: The encapsulation also protects the O-ring from exposure to chemicals, making it ideal for use in harsh chemical environments.

Reduced Friction: The encapsulation can also reduce friction between the O-ring and the mating surfaces, reducing wear and tear and enhancing the O-ring's sealing capabilities.

Compliance: Many encapsulated O Rings can be produced to be FDA-compliant. USP Class VI blends exist as well.

Limitations of Encapsulated O-rings

Like any type of technology, encapsulated o-rings also have their limitations. Some of these limitations include:

Temperature limitations: Encapsulated o-rings have a limited temperature range within which they can operate effectively. Encapsulated O-rings are an assembly of two components: a jacket and a core. This means that the high and low-temperature ratings of a specific combination of these components are limited by the least capable of the two materials. If exposed to temperatures outside of this range, the o-ring or jacket may experience thermal degradation, leading to cracking or other types of damage. If you would like to learn more about the temperature ranges of these different combinations, see our encapsulated O-rings

Chemical compatibility: While the Teflon exterior of an encapsulated O-ring may have extreme chemical resistance, its elastomeric core may not. If the encapsulation were to crack, it’s possible for the elastomeric core to be exposed to chemicals that could cause degradation and potentially sealing failure. It is important to consider the chemical compatibility of the o-ring material when selecting an encapsulated o-ring for a specific application.

Pressure limitations: Encapsulated o-rings have a limited pressure range within which they can operate effectively. If exposed to high pressures, the o-ring may become deformed, leading to leaks or other types of damage.

Size limitations: Encapsulated o-rings are available in a range of sizes, but there may be limitations in terms of the size that is available for a specific application. This can limit the types of equipment or systems that can be sealed using an encapsulated o-ring. If you would like to see if a specific size is available, see our request a quote page.

Cost: Encapsulated o-rings can be more expensive than other types of o-rings, which may limit their use in certain applications.

Installation limitations: Encapsulated o-rings may require specialized equipment or tools for installation, which can limit their use in certain applications where such equipment or tools are not available.

Applications of Encapsulated O-rings

Encapsulated O-rings are used in various applications across different industries, including:

Aerospace Industry: Encapsulated O-rings are used in the aerospace industry for sealing various components, including fuel lines, hydraulic systems, and landing gear.

Automotive Industry: Encapsulated O-rings are used in the automotive industry for sealing various components, including fuel systems, transmissions, and brake systems.

Chemical Industry: Encapsulated O-rings are used in the chemical industry for sealing various components, including pumps, valves, and reactors.

Food and Beverage Industry: Encapsulated O-rings are used in the food and beverage industry for sealing various components, including processing equipment, that require high levels of cleanliness and hygiene.

Conclusion

Encapsulated O-rings offer numerous benefits over traditional O-rings, including enhanced wear resistance, improved chemical resistance, and reduced friction. They are widely used in various industries, including aerospace, automotive, chemical, and food and beverage industries, for sealing various components that require high-performance sealing solutions. If you require a sealing solution that offers superior performance, encapsulated O-rings may be the right choice for your application. Visit our website: https://www.canyoncomponents.com/

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Understanding EPDM Rubber: Properties, Applications, and Curing Processes

EPDM rubber, or ethylene propylene diene monomer rubber, is a synthetic elastomer material that is well-known for its excellent weather and ozone resistance. It was first developed in the 1960s and has since been used in a wide range of applications due to its unique properties. In this blog, we will take a closer look at EPDM rubber and its various applications.

Properties of EPDM Rubber

EPDM rubber has several unique properties that make it an ideal material for a wide range of applications, including:

Excellent Weather and Ozone Resistance: EPDM Rubber Properties has excellent resistance to weathering and ozone, making it an ideal material for outdoor applications.

Good Chemical Resistance: EPDM rubber has good resistance to many chemicals, including certain acids and alkalis.

Good Heat Resistance: EPDM rubber has good heat resistance and can withstand relatively high temperatures and relatively low temperatures without degrading or losing its properties. Most EPDM materials can handle temperatures ranging from -67°F to 300°F (-55°C to 150°C) but can vary depending on cure type and use case. Some specialty blends can even handle temperatures up to 555°F (290°C).

Good Electrical Insulation Properties: EPDM rubber has good electrical insulation properties, making it an ideal material for manufacturing electrical components.

Applications of EPDM Rubber

EPDM rubber has a broad range of applications across various industries, including:

Automotive Industry: EPDM rubber is widely used in the automotive industry for manufacturing various components, including seals, O-rings, hoses, and weatherstripping, that require excellent weather and ozone resistance.

Drinking Water Industry: EPDM rubber is commonly used in applications where NSF 61-certified materials are required.

Construction Industry: EPDM rubber is used in the construction industry for manufacturing various products, including roofing membranes, gaskets, and seals, that require excellent weather and ozone resistance.

Electrical Industry: EPDM rubber is used in the electrical industry for manufacturing various components, including electrical waterproofing seals, insulation, and cable jackets, that require excellent electrical insulation properties.

Consumer Goods Industry: EPDM rubber is used in the consumer goods industry for manufacturing various products, including garden hoses, boots, and weather-stripping, that require excellent weather and ozone resistance.

Curing Types

One critical aspect of EPDM rubber is the curing process. Curing is the process of transforming the raw rubber material into a solid, usable product. There are several different types of EPDM rubber cure types, each with its advantages and disadvantages. In this blog post, we will discuss the two most common types of EPDM rubber cure types.

Sulfur Cure: Sulfur cure is a widely used EPDM rubber curing process. This process involves mixing the raw rubber material with sulfur, which acts as a curing agent. The sulfur cure process requires a lower curing temperature and has a shorter curing time than peroxide cure, but it results in lower mechanical properties and heat resistance. Sulfur-cured EPDM parts can sometimes experience excretions of a dusty white substance called “bloom”. Read more in the “bloom” section below.

Peroxide Cure: Peroxide cure is the most common type of EPDM rubber curing process. This process uses peroxide chemicals, which are mixed with the raw rubber material before molding. The peroxide chemicals act as a catalyst, initiating the cross-linking of the rubber molecules. This curing process requires high-temperature molds and has a longer curing time, but it results in excellent mechanical properties and heat resistance. Peroxide-cured EPDM is generally considered “cleaner” and does not bloom.

Bloom

Bloom is a phenomenon that occurs in sulfur-cured EPDM Rubber Material (and some other materials) where a powdery film appears on the surface of the rubber. The film can be white or brown in color and can be wiped off easily with a cloth or a soft brush.

Bloom occurs because of the migration of inert, unreacted sulfur or wax to the surface of the rubber. During the sulfur curing process, excess sulfur can remain on the surface of the rubber, where it reacts with oxygen to form sulfur dioxide gas. The sulfur dioxide then reacts with moisture in the air to form sulfuric acid, which causes the powdery film to appear on the surface of the rubber.

Bloom is more common in sulfur-cured EPDM rubber that has been stored for a long time or in conditions where the rubber is exposed to high humidity or heat. While bloom does not affect the mechanical properties of the rubber, it can affect the appearance of the finished product and may cause surface contamination or adhesion issues if the rubber is to be painted, glued, or coated.

To prevent bloom, manufacturers may add anti-blooming agents to the rubber compound or use alternative curing methods such as peroxide cure. Proper storage conditions, such as low humidity and moderate temperatures, can also help to prevent bloom from occurring.

EPDM rubber is a highly versatile elastomer material that offers excellent weather and ozone resistance, as well as good chemical resistance and electrical insulation properties. Its unique properties make it an ideal material for a wide range of applications across various industries, including the automotive, construction, electrical, and consumer goods industries. If you require a material that offers excellent weather and ozone resistance for your application, EPDM rubber may be an excellent choice for you. If you are interested in learning more, see our EPDM page!

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CanRez™ CP75BK01: High Temp FFKM Perfluoroelastomer

In the world of advanced materials, perfluoroelastomers (FFKM) have gained significant recognition for their outstanding chemical resistance, high-temperature stability, and reliability. The CanRez™ line of FFKM materials are at the leading edge of polymer technology. Proven in the field year after year, CanRez™ materials have been developed to offer superior sealing solutions with enhanced high temperature performance and fantastic chemical resistance.

In this blog post, we will delve into the flagship for the CanRez™ line of FFKM materials: CP75BK01. We will explore the composition, unique characteristics, and diverse applications across industries.

Additional resources

CP75BK01 Datasheet

CanRez Summary Page

Understanding CP75BK01 FFKM

Canyon Components CanRez™ CP75BK01 is a high temp FFKM perfluoroelastomer: a type of fluoroelastomer derived from highly fluorinated carbon and oxygen monomers. This advanced elastomer possesses an exceptional combination of properties that make them ideal for demanding environments where other elastomers fall short. FFKM perfluoroelastomers exhibit excellent resistance to heat, chemicals, fuels, solvents, and extreme temperatures ranging from cryogenic to high heat. Frequently used as an alternative to Kalrez® 6375 and Kalrez® 4079, CanRez™ CP75BK01 can be used to manufacture O-rings, gaskets, and custom molded parts.

CanRez™ perfluoroelastomer components have emerged as the favored solution for ensuring durable and dependable seals in the most challenging chemical environments. As the demand grows for elastomeric seals to perform exceptionally under increasingly aggressive chemical conditions and higher temperatures, parts made from CanRez™ CP75BK01 have become more and more common. These parts provide enhanced chemical resistance while preserving the renowned high temperature stability associated with CanRez™ components.

CP75BK01 has been meticulously engineered to deliver outstanding performance across a broad range of chemicals and temperatures. It excels in applications involving acids, bases, amines, steam, ethylene oxide, MDEA, and other highly corrosive substances. Mixed streams can now be effectively managed with the implementation of CP75BK01.

Additionally, the CP75BK01 curing system enables continuous operation at temperatures of up to 320°C (610°F), surpassing Kalrez® 6375 by approximately 85°F and Kalrez® 4079 by approximately 10°F. Notably, CanRez™ CP75BK01 also boasts a steam rating of up to 300°C (580°F), further exceeding competitor capabilities.

Exceptional Chemical Resistance

One of the most remarkable features of FFKM perfluoroelastomers is their outstanding chemical resistance. These elastomers can withstand exposure to aggressive chemicals, acids, bases, and solvents without degradation. Even in harsh environments with corrosive substances, FFKM perfluoroelastomers retain their integrity, making them indispensable in applications such as chemical processing, oil and gas, semiconductor manufacturing, and pharmaceutical industries. CanRez™ CP75BK01 exceeds most FFKMs, with extreme resistance to solvents, esters, ethers, & Ketones, and many more at extremely high temperatures up to 320°C (610°F). For more specific data involving the chemical performance of CanRez™ CP75BK01, see the CP75BK01 Datasheet.

Wide Range of Applications

Due to its exceptional properties, CanRez™ CP75BK01 FFKM can be found in applications across various industries. Some notable examples include:

Aerospace and Defense: CanRez™ CP75BK01 FFKM parts are utilized in critical sealing applications for aircraft engines, rocket propulsion systems, and fuel handling systems due to their chemical resistance and high-temperature stability.

Oil and Gas: CanRez™ CP75BK01 FFKM parts are employed in downhole drilling tools, valves, and seals for oilfield equipment, as they can withstand aggressive chemicals, high pressures, and extreme temperatures. For extremely high pressures, other anti-explosive decompression (AED) CanRez™ materials are used like CP90BK01 and CP90BK91.

Semiconductor Manufacturing: CanRez™ CP75BK01 FFKM parts are used in semiconductor fabrication processes, providing a reliable seal to prevent contamination from chemicals and gasses used in the manufacturing environment. Thei extremely clean composition produces extremely low outgassing. For applications where ultimate purity is needed, other CanRez™ materials are used like CP60TA11.

Pharmaceutical and Food Processing: CanRez™ CP75BK01 FFKM parts are suitable for applications where contact with drugs, active ingredients, and food substances is involved due to their excellent chemical resistance and hygienic properties. For applications that require FDA compliance or USP Class VI testing, other CanRez™ materials are used like CP75WH18 and CP75BK02.

Automotive: CanRez™ CP75BK01 FFKM parts are used in automotive applications such as fuel systems, turbochargers, and exhaust systems, where resistance to high temperatures and aggressive fuels is required.

Conclusion

CanRez™ CP75BK01 sets a new standard for FFKM materials, empowering chemical processors to operate with confidence in the face of extreme temperatures, harsh chemicals, and demanding steam applications. With CP75BK01, reliability, longevity, and optimal performance are no longer elusive goals but achievable realities for those operating in the most challenging chemical environments and thermal applications. 

Explore our website: https://www.canyoncomponents.com/ 

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PTFE Coated O-Rings: Benefits, Applications, and Maintenance

O-rings are essential sealing components used in various applications to prevent leakage between two surfaces, however, they do have their limitations. Depending on the material, an O-ring could have higher than preferred friction, low chemical resistance, or confusing coloration. In situations like this, a specialty coating like Parylene or PTFE might be the right answer. In this blog, we will focus on PTFE-coated O-rings, their advantages, and their applications.

What are PTFE-Coated O-rings?

PTFE-coated O-rings are O-rings that are coated with a layer of PTFE material. PTFE, or polytetrafluoroethylene, is a type of fluoropolymer that is known for its non-stick properties, chemical resistance, and high-temperature resistance. When applied as a coating to O-rings, PTFE can provide an additional layer of protection, improving certain properties of the O-ring.

Most of our coating systems are applied using conventional compressed air driven spraying techniques. The coatings are supplied as liquids and are decanted into either gravity fed or pressure fed spraying equipment.

Powder systems such as PFA and FEP are applied electrostatically, where the coating material (powder) and the part receive opposing electrical charges so that the powder will be attracted to the part. This is particularly useful where complex shapes are involved.​ If you would like to learn more, see our PTFE Coatings page.

Advantages of PTFE-Coated O-rings

PTFE-coated O-rings offer several advantages over other types of O-rings. These include:

Color Identification: PTFE coatings can be produced in any color. This makes PTFE coated O-rings easy to identify.

Chemical Resistance: PTFE is highly resistant to chemicals, making the PTFE coating fully functional in applications involving harsh chemicals. However, PTFE coatings are porous, and wear off easily. They will not protect the O-ring from chemical contact.

High Temperature Resistance: PTFE can withstand high temperatures, making PTFE coatings suitable for applications where high temperatures are expected.

Low Friction: PTFE has a low coefficient of friction, making PTFE coatings an ideal, clean, dry lubrication for installation purposes.

Non-stick Properties: PTFE is known for its non-stick properties, which make PTFE-coated O-rings easy to remove and clean.

Thin Coat: PTFE coatings are extremely thin and typically have virtually no effect on the tolerances of the end part.

Limitations of PTFE-Coated O-rings

While PTFE coatings have their uses, their limitations can sometimes exclude their use from certain applications.

Poor Dynamic Wear Resistance: PTFE coatings can easily be rubbed off, meaning that they really only function as a one-time-use surface lubricant.

Flaking: Because PTFE coatings can easily flake off due to dynamic wear, pieces of the coating can sometimes contaminate clean systems.

Porous: PTFE coatings do not provide additional chemical resistance for the O-ring. Because of this, it is important to use an O-ring material that is resistant to the chemicals and temperatures used in the application.

Applications of PTFE-Coated O-rings

PTFE-coated O-rings are used in various industries, including:

Chemical Processing: PTFE-coated O-rings are used in chemical processing equipment, where they provide improved installation lubrication, reliable sealing properties, and chemical resistance.

Aerospace: PTFE-coated O-rings are used in aerospace applications, where they provide high-temperature resistance and easy colored identification.

Conclusion

PTFE-coated O-rings offer useful niche benefits and can be ideal for use in various industries depending on the use case. PTFE-coated O-rings provide an inexpensive dry surface lubricant and color identification system; however, the limitations of PTFE coatings can sometimes make them prohibitive for certain applications. If you are interested in the benefits of other coating types, see our blog about Parylene Coatings. Parylene coatings frequently fill the roles that PTFE coatings fail to. For more information, please visit our website: https://www.canyoncomponents.com/

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FFKM O Ring Material

FFKM O Ring Material

Canyon Components offers fast & easy online shopping for almost any specialty component. FFKM elastomers like CanRez, Kalrez, & Chemraz, Viton Extreme & more.

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Our extensive product range includes O-rings, custom gaskets, custom molded rubbers & plastics, machined materials, and metal components & fittings. Explore our website: https://www.canyoncomponents.com/

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The Benefits of Perfluoroelastomer FFKM O Rings for Enhanced Project Performance

At Canyon Components, we take pride in delivering exceptional solutions for your component needs. One of our standout products is our range of perfluoroelastomer FFKM O Rings. These FFKM O Rings are designed to provide the highest level of performance and reliability in demanding applications. Whether you are working in aerospace, oil and gas, or any other industry requiring superior chemical resistance and thermal stability, our FFKM O Rings are the perfect choice. They are made from a specially formulated perfluoroelastomer material that offers excellent resistance to extreme temperatures, harsh chemicals, and aggressive fluids. With our FFKM O Rings, you can ensure leak-free sealing and prevent any potential failures or costly downtime. Trust Canyon Components to provide you with the highest quality FFKM O Rings that will meet and exceed your expectations in any challenging environment.

Our extensive product range includes O-rings, custom gaskets, custom molded rubbers & plastics, machined materials, and metal components & fittings. Utilize our catalog of specialty materials: Perfluoroelastomer FFKM elastomers like CanRez, Kalrez, and Chemraz, Viton Extreme, USP Class VI materials, and more. When it comes to high-performance sealing solutions, our Perfluoroelastomer FFKM O rings are at the top of the list. These advanced elastomers are specially formulated to withstand extreme temperatures and harsh chemicals, making them ideal for demanding applications in industries such as aerospace, oil and gas, and semiconductor manufacturing. Whether you need O-rings with exceptional resistance to aggressive fluids or superior sealing capabilities at low temperatures, our Perfluoroelastomer FFKM O rings deliver unmatched performance and reliability.

Join us on this journey of engineering excellence and let us be your preferred source for exceptional components and superior customer service. Together, we can shape a future built on precision, innovation, and success. When it comes to exceptional components for demanding applications, look no further than Perfluoroelastomer FFKM O Rings. These high-performance O rings are engineered to withstand extreme temperatures, aggressive chemicals, and challenging environments. With their exceptional chemical resistance and thermal stability, Perfluoroelastomer FFKM O Rings are the ideal choice for industries such as aerospace, oil and gas, automotive, and semiconductor manufacturing. Whether you need O rings for sealing valves, pumps, or other critical equipment, our team of experts is here to assist you in finding the perfect solution tailored to your specific needs. We are committed to delivering products of the highest quality and providing unparalleled customer service every step of the way. Join us and experience the difference of working with a trusted partner in the industry. Our extensive product range includes O-rings, custom gaskets, custom molded rubbers & plastics, machined materials, and metal components & fittings. Explore our website: https://www.canyoncomponents.com/