ISMAT: Elevating Industrial Standards with Premium Fluorocarbon Seals

What is a fluorocarbon seal?

 Fluorocarbon seals, a highly reliable synthetic rubber, offer exceptional elasticity against corrosive compounds, including both organic and inorganic acids. Known also as FKM seals, these advanced materials feature a fluorine-rich composition reinforced by carbon, enabling superior resistance to a wide range of aggressive chemical agents.

ISMAT manufactures fluorocarbon sealing solutions, with seals designed to perform in temperatures ranging from -60°C to +230°C.

One of the most notable characteristics of FKM seals is their exceptional resistance to high temperatures, chemical degradation, ozone, and oil. Compared to other elastomers, these fluorocarbon seals are meticulously engineered with outstanding sustainable properties, ensuring both reliability and a high level of functionality that assures their quality.

Fluorocarbon seals exhibit excellent chemical resistance to a wide range of corrosive substances, including hot organic and inorganic acids, as well as hot amines, at temperatures exceeding 70°C. In addition to these compounds, FKM seals are also effective against aldehydes, esters, alcohols, fuels, solvents, sour gases, hot water, steam, and ethylene propylene oxide.

Overall, these seals are well known for their durability and sustainability, and they play a significant role in various industrial landscapes. The high resistance of Fluorocarbon seals in any kind of chemical reaction is crucial in sustainably protecting the industrial environment, underscoring the importance of their use.

Types of Fluorocarbon Elastomers:

Fluorocarbon seals can be divided into wide varieties based on their properties, resistance, and durability. Based on categories, such as sensitivity to chemical reactions, they have been labelled as Type 1, Type 2, and Type 3. Check out the table below to learn more.

Type 1

Type 1 seals are mainly composed of 66% fluorine. Type 1 compounds are composed of Hexafluoropropylene (HFP) and Vinylidene fluoride (VDF) to maintain thermal, oil, and chemical stability.

Type 2

In Type 2, the chemical compound Tetrafluoroethylene (TFE) is combined with Hexafluoropropylene (HFP) and Vinylidene Fluoride (VDF) to enhance stability in chemical reactions. Collectively, these three compounds form a terpolymer that boasts a higher fluorine content compared to Type 1 seals. This composition ensures excellent chemical resistance while maintaining lower temperature resistance.

Type 3

A distinct chemical blend, Perfluoromethylvinylether (PMVE), has been combined with Vinylidene Fluoride (VDF) and Trifluoro ethylene (TFE). These three substances exhibit low-temperature resistance and contain a fluorine content of 62-68%.

Fluorocarbon Sealing Solutions

ISMAT manufactures a diverse range of fluorocarbon seals developed with a focus on sustainability and sensitivity to chemical compounds. Below are some notable variations of fluorocarbon seals.

1. O-Rings

Fluorocarbon O-rings are circular and very flexible, allowing them to fit tightly against surfaces during installation and use. This flexibility creates a dependable seal that prevents leaks in different types of equipment. Their unique properties make them suitable for sealing a wide variety of liquids and gases.

2. Backup Rings

Backup rings support high-temperature seals and prevent O-rings from stretching or deforming under pressure. They come in several types: the Scarf Cut Backup Ring, which is best for moving parts or dynamic applications; the Solid Backup Ring, which strongly resists high pressure; the Spiral Backup Ring, which adds flexibility for better sealing; and the Contoured Rubber Backup Ring, which balances strength with flexibility. These rings are essential for maintaining reliable seals in demanding conditions.

3. U Cup Seals & Lip Seals

U-cup seals have a “U” shaped cross-section, which allows them to provide adequate sealing in both dynamic and rotating applications.
Lip seals, on the other hand, have two sealing edges: a flexible outer lip and a dynamic inner lip. This design ensures reliable performance across many applications. However, lip seals are not recommended for use in abrasive environments, as rough conditions may affect their durability and sealing efficiency.

4. X-Rings

Commonly referred to as Quad-Rings, these seals feature a four-sided design that effectively mitigates movement across diverse applications.

5. Square Rings

A Square Ring is a sealing solution that appears round from the top view but has a square-shaped cross-section when viewed from the side. Also called Washer Rings or Lathe-Cut Rings, Square Rings provide highly effective sealing and are more cost-efficient than many other sealing devices.

Customized Fluorocarbon Seals

ISMAT offers custom-made FKM seals tailored to meet specific customer needs. With the team of experts, we are involved in high-level research to observe and understand different industry requirements, which ensures durability and sustainability.

Industrial Applications of Fluorocarbon Seals:

FKM Seals are commonly applied in various industrial sectors, enhancing resource efficiency. The seals play a vital role in predominant sectors such as automotive, chemical processing, aerospace, oil and gas exploration, energy production, and pharmaceuticals.

These domains wholly depend on FKM Seals or Viton seals, which are highly resistant to harsh chemicals, tough operating conditions, and extreme temperatures.

1. Automotive Industry:

The automotive industry is an important aspect that prioritizes safety and reliability. FKM Seals are used in various applications, such as turbocharger systems, fuel injection systems, and other engine components, to withstand in extreme environments.

2. Chemical Processing:

Viton Seals or FKM Seals are crucial for providing insulation in highly demanding environments. They are designed to sustain against harsh elements like acids, bases, and solvents. These high-chemical-resistance seals promise prominent performance and top-notch durability.

3. Aerospace:

Fluorocarbon seals are essential in the aerospace industry, which have fore-front implications under extreme temperatures and exposure to aggressive fluids. This seal plays a significant role in safeguarding the powerful performance, engine reliability, fuel lines, and hydraulic systems.

4. Oil & Gas Exploration:

FKM Seals are highly sustainable and can withstand extreme pressure and temperature. Drilling equipment and pipelines are the major usage in the oil and gas industry, which makes them vulnerable to corrosive chemical components like hydrogen sulfide and methane.

5. Pharmaceutical and Food Processing:

To maintain contamination-free food products, the pharmaceutical and food processing industries related to Fluorocarbon Seals. Establishing purity and safety in a step-by-step process holds back to extreme temperatures and aggressive cleaning agents.

Properties of Fluorocarbon Seals:

 

Material Code	ELASTOMER	Key Features	Limitations	Relevant Industries / Applications
VERTEX FC 01	FKM	• 75±5 Sh-A Durometer. • Temp. Range: -20°C to +204°C. • Resistant to Hydrocarbons, Aromatic hydrocarbons.	Not recommended for ammonia gas, amines, alkalis, superheated steam, glycol based brake fluids, polar solvents such as acetones, MEK, ethyl acetate, diethyl ether, di oxane).	Oil & Gas/ Chemical/ Automobile/Aerospace/Energy
VERTEX FC 02	FKM	• 80±5 Sh-A Durometer. • Temp. Range: -20°C to +204°C. • Resistant to Hydrocarbons, Aromatic hydrocarbons.	Not recommended for ammonia gas, amines, alkalis, superheated steam, glycol based brake fluids, polar solvents such as acetones, MEK, ethyl acetate, diethyl ether, di oxane).	Oil & Gas/ Chemical/ Automobile/Aerospace/Energy
VERTEX FC 03	FKM	• 70±5 Sh-A Durometer. • Temp. Range: -20°C to +204°C. • Resistant to Hydrocarbons, Aromatic hydrocarbons.	Not recommended for ammonia gas, amines, alkalis, superheated steam, glycol based brake fluids, polar solvents such as acetones, MEK, ethyl acetate, diethyl ether, di oxane).	Oil & Gas/ Chemical/ Automobile/Aerospace/Energy
VERTEX FC 04	FKM	• 90±5 Sh-A Durometer. • Temp. Range: -20°C to +204°C. • Resistant to Hydrocarbons, Aromatic hydrocarbons.	Not recommended for ammonia gas, amines, alkalis, superheated steam, glycol based brake fluids, polar solvents such as acetones, MEK, ethyl acetate, diethyl ether, di oxane).	Oil & Gas/ Chemical/ Automobile/Aerospace/Energy
VERTEX FC 06	FKM	• 60±5 Sh-A Durometer. • Temp. Range: -20°C to +204°C. • Resistant to Hydrocarbons, Aromatic hydrocarbons.	Not recommended for ammonia gas, amines, alkalis, superheated steam, glycol based brake fluids, polar solvents such as acetones, MEK, ethyl acetate, diethyl ether, di oxane).	Oil & Gas/ Chemical/ Automobile/Aerospace/Energy
VERTEX FC 07	FKM	• 75±5 Sh-A Durometer. • Temp. Range: -20°C to +204°C. • Resistant to Hydrocarbons, Aromatic hydrocarbons.	Not recommended for ammonia gas, amines, alkalis, superheated steam, glycol based brake fluids, polar solvents such as acetones, MEK, ethyl acetate, diethyl ether, di oxane).	Oil & Gas/ Chemical/ Automobile/Aerospace/Energy
VERTEX FC 09	FKM	• 75±5 Sh-A Durometer. • Temp. Range: -30°C to +204°C. • Resistant to Hydrocarbons, Aromatic hydrocarbons. • Excellent Low Temperature Resistant.	Not recommended for ammonia gas, amines, alkalis, superheated steam, glycol based brake fluids, polar solvents such as acetones, MEK, ethyl acetate, diethyl ether, di oxane).	Oil & Gas/ Chemical/ Automobile/Aerospace/Energy
VERTEX FC 10	FKM	• 90±5 Sh-A Durometer. • Temp. Range: -30°C to +204°C. • Low Temperature RGD Resistant. • Certified to NOROSK M-710, API 6A, NACE TM0187, NACE TM0192.	Not recommended for ammonia gas, amines, alkalis, superheated steam, glycol based brake fluids, polar solvents such as acetones, MEK, ethyl acetate, diethyl ether, di oxane).	Oil & Gas/ Chemical/ Automobile/Aerospace/Energy
VERTEX FC 11	FKM	• 90±5 Sh-A Durometer. • Temp. Range: -20°C to +204°C. • Certified to NORSOK M-710 RGD, API 6A, NACE TM0187, TM0192.	Not recommended for ammonia gas, amines, alkalis, superheated steam, glycol based brake fluids, polar solvents such as acetones, MEK, ethyl acetate, diethyl ether, di oxane).	Oil & Gas/ Chemical/ Automobile/Aerospace/Energy
VERTEX FC 13	FKM	• 90±5 Sh-A Durometer. • Temp. Range: -20°C to +204°C. • Chemically resistant better than VITON B. • Suitable for RGD applications.	Not recommended for ammonia gas, amines, alkalis, superheated steam, glycol based brake fluids, polar solvents such as acetones, MEK, ethyl acetate, diethyl ether, di oxane).	Oil & Gas/ Chemical/ Automobile/Aerospace/Energy
VERTEX FC 14	FKM	• 75±5 Sh-A Durometer. • Temp. Range: -5°C to +230°C. • Chemically resistant better than VITON B.	Not recommended for ammonia gas, amines, alkalis, superheated steam, glycol based brake fluids, polar solvents such as acetones, MEK, ethyl acetate, diethyl ether, di oxane).	Oil & Gas/ Chemical/ Automobile/Aerospace/Energy
VERTEX FC 15	FKM	• 90±5 Sh-A Durometer. • Temp. Range: -46°C to +204°C. • Extreme Low Temperature RGD Resistant. • Certified to NORSOK M-710, API 6A, NACE TM0187, NACE TM0192.	Not recommended for ammonia gas, amines, alkalis, superheated steam, glycol based brake fluids, polar solvents such as acetones, MEK, ethyl acetate, diethyl ether, di oxane).	Oil & Gas/ Chemical/ Automobile/Aerospace/Energy
VERTEX FC 15A	FKM	• 75±5 Sh-A Durometer. • Temp. Range: -46°C to +204°C. • Resistant to Hydrocarbons, Aromatic hydrocarbons. • Extreme Low Temperature Resistant.	Not recommended for ammonia gas, amines, alkalis, superheated steam, glycol based brake fluids, polar solvents such as acetones, MEK, ethyl acetate, diethyl ether, di oxane).	Oil & Gas/ Chemical/ Automobile/Aerospace/Energy
VERTEX FC 16	FKM	• 75±5 Sh-A Durometer. • Temp. Range: -20°C to +204°C. • Resistant to Hydrocarbons, Aromatic hydrocarbons. • Resistant to Gamma Radiation of 5 Mrad.	Not recommended for ammonia gas, amines, alkalis, superheated steam, glycol based brake fluids, polar solvents such as acetones, MEK, ethyl acetate, diethyl ether, di oxane).	Oil & Gas/ Chemical/ Automobile/Aerospace/Energy
VERTEX FC 16A	FKM	• 70±5 Sh-A Durometer. Colour: Green. • Temp. Range: -20°C to +204°C. • Resistant to Hydrocarbons, Aromatic hydrocarbons.	Not recommended for ammonia gas, amines, alkalis, superheated steam, glycol based brake fluids, polar solvents such as acetones, MEK, ethyl acetate, diethyl ether, di oxane).	Oil & Gas/ Chemical/ Automobile/Aerospace/Energy
VERTEX FC 22BN	FKM	• 70±5 Sh-A Durometer. Color: Brown. • Temp. Range: -20°C to +204°C. • FDA Compliant. Tested as per US FDA 21 CFR 177.2600. • Certified to UL 778 (Safety for Motor Operated Water Pumps).	Not recommended for ammonia gas, amines, alkalis, superheated steam, glycol based brake fluids, polar solvents such as acetones, MEK, ethyl acetate, diethyl ether, di oxane).	Oil & Gas/ Chemical/ Automobile/Aerospace/Energy
VERTEX FC 24 ULT	FKM	• 90±5 Sh-A Durometer. • Temp. Range: -60°C to +204°C. • Resistant to Hydrocarbons, Aromatic hydrocarbons. • Suitable for RGD applications.	Not recommended for ammonia gas, amines, alkalis, superheated steam, glycol based brake fluids, polar solvents such as acetones, MEK, ethyl acetate, diethyl ether, di oxane).	Oil & Gas/ Chemical/ Automobile/Aerospace/Energy
VERTEX FC 28	FKM	• 95±5 Sh-A Durometer. • Temp. Range: -20°C to +204°C. • Resistant to Hydrocarbons, Aromatic hydrocarbons.. • Suitable for RGD applications.	Not recommended for ammonia gas, amines, alkalis, superheated steam, glycol based brake fluids, polar solvents such as acetones, MEK, ethyl acetate, diethyl ether, di oxane).	Oil & Gas/ Chemical/ Automobile/Aerospace/Energy
VERTEX FC 30	FKM	• 70±5 Sh-A Durometer. • Temp. Range: -30°C to +204°C. • Resistant to Hydrocarbons, Aromatic hydrocarbons.	Not recommended for ammonia gas, amines, alkalis, superheated steam, glycol based brake fluids, polar solvents such as acetones, MEK, ethyl acetate, diethyl ether, di oxane).	Oil & Gas/ Chemical/ Automobile/Aerospace/Energy
VERTEX FC 31	FKM	• 70±5 Sh-A Durometer. • Temp. Range: -20°C to +204°C. • Resistant to Hydrocarbons, Aromatic hydrocarbons. • Suitable for RGD applications at Low pressures.	Not recommended for ammonia gas, amines, alkalis, superheated steam, glycol based brake fluids, polar solvents such as acetones, MEK, ethyl acetate, diethyl ether, di oxane).	Oil & Gas/ Chemical/ Automobile/Aerospace/Energy
VERTEX FC 33	FKM	• 90±5 Sh-A Durometer. • Temp. Range: -25°C to +204°C. • Suitable for RGD applications. • Balanced Low Temperature and Chemical Resistant.	Not recommended for ammonia gas, amines, alkalis, superheated steam, glycol based brake fluids, polar solvents such as acetones, MEK, ethyl acetate, diethyl ether, di oxane).	Oil & Gas/ Chemical/ Automobile/Aerospace/Energy

Conclusion

In a nutshell, high-performance fluorocarbon sealing delivers robust solutions tailored for demanding industrial sectors. ISMAT offers comprehensive fluorocarbon seal solutions meticulously crafted to meet specific industry needs and client expectations. Our dedicated team of experts rigorously researches, designs, and collaborates closely with our production team, ensuring that each FKM seal meets the highest standards of durability and functionality. To find the ideal seal for your critical applications, connect with our team of specialists today.

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ISMAT: YOUR TRUSTED INDIAN O-RING PARTNER

Introduction

O-rings are essential sealing component that are used in industrial applications or equipment, to prevent leakage of fluids and gases. These O-rings or seals are designed to be used in various applications, from agriculture to food and beverage industries. It is a necessary soft sealing component that gives you safety while being cost-effective, budget-friendly and prevents damages caused by leakages.

O-rings and other seals are designed in various dimensions based on equipment sizes. These are designed to offer durability against extreme temperatures, pressure, and aggressive chemicals.

Designing Custom O – Rings for specialized applications

 ISMAT produces O-rings designed specifically to meet the unique needs of your equipment, carefully tailored to precise dimensions and sizes. A rigorous process is followed to ensure the highest quality in delivering O-rings and seals for a wide range of applications.

There are several important aspects that contribute to the performance and effectiveness of O-rings. Key factors such as material selection, design aspects, prototyping, testing, and validation are crucial in preventing unnecessary leakages.

The process involves several essential steps to ensure optimal performance of industrial applications.

1. Material Selection: The right materials are chosen based on specific environments, ensuring durability and resistance to pressure, temperature, and chemicals.
2. Design Considerations: O-rings are designed to perfectly fit your equipment, preventing unnecessary leakages and enhancing overall performance.
3. Prototyping and Testing: Prototypes are created and rigorously tested to ensure that they meet the required O-ring specifications and perform as expected.
4. Validation:Every product undergoes thorough validation to guarantee it meets the high standards you expect from ISMAT.

This detailed process ensures that O-rings or seals meet your requirements and deliver reliable results, providing high-quality solutions worldwide.

O-Ring Sizing and Measurement Techniques

The key features of ISMAT ensure that O-rings and seals provide the best possible safety for your equipment. Tools like calipers, Pi-tape, O-ring cones, and gauges to measure the inner diameter accurately and outside diameter, as well as cross-sectional dimensions, ensure a perfect fit for your specific needs.

For improved sealing performance, there are a few practical tips to consider from industry experts.

• Always clean the tools before and after
• Avoid stretching O-rings during measurement.
• Conduct multiple trials for accuracy.
• Work in well-lit conditions to ensure precise readings.

The O-ring material guide assists in selecting the best material for specific applications. For convenience, refer to Metric O-ring sizes and AS568 O-ring sizes to find the right fit.

As a reliable O-ring supplier, ISMAT offers high-quality products and expert advice to meet diverse needs.

O-Rings in Extreme Environments: Performance and Material Selection

ISMAT produces O-rings or seals for various critical needs and requirements, where extreme temperatures, pressures, and chemically aggressive environments can significantly impact their performance.

1. Temperature Extremes:

• High Temperatures: O-Rings can degrade under high temperatures, leading to hardening, loss of elasticity, and eventual failure. Materials like Perfluoroelastomers (FFKM) are often preferred for high-temperature applications, capable of withstanding temperatures up to 315°C and even higher in some cases.

•   Low Temperatures: At low temperatures, many elastomers can become brittle, compromising their sealing capability. Fluroelastomers (FKM) and Hydrogenated Nitrile (HNBR) perform better at lower temperatures, with some grades suitable for applications as low as -50°C. Flurosilicone (FVMQ) performs better at extremely low temperatures suitable for applications as low as -65°C.

2. High Pressures:

In high-pressure environments, O-Rings must maintain their sealing integrity without extruding or deforming. The choice of Material grades,cross-sectional diameter and material hardness plays a critical role. Harder materials, like FKM, HNBR, often provide better resistance to extrusion, while larger cross-sections can help resist pressure-induced deformation.

3. Chemical Resistance:

Chemically aggressive environments pose a significant challenge. O-Rings must be compatible with various fluids, gases, and chemicals. Fluoroelastomers (FEPM) and Perfluoroelastomers (FFKM) are generally resistant to many chemicals, making them suitable for petroleum products, fuels, Amines and solvents. However, they may not be suitable for steam or certain acids, where alternatives like Ethylene Propylene Diene Monomer (EPDM) might be more effective. Check out our Chemical compatibility chart for more details

Key Standards and Certifications for O-Rings

A commitment to delivering high-quality O-rings or seals is shown by adhering to key industrial standards and maintaining certifications, reflecting a focus on quality and authenticity.

1. ISO 3601 Standard

2. ASTM D2000 Standard

3. AS568 Standard

4. FDA Approval

5. NSF Certification

6. UL Recognition

7. AMS Specifications

8. Mil-Spec Standards

Adherence to international standards and certifications ensures alignment with global industry requirements, providing reliability and credibility for customers.

Adhering to these global guidelines guarantees precise O-ring specifications, including accurate O-ring diameters, ensuring they meet a variety of application requirements.

The Role of Lubricants in O-Ring Assembly

O-rings are crucial in applications like valves, which provide effective seals and prevent leakage. Proper lubrication is essential for reducing friction, avoiding damage, and maintaining seal integrity, which extends the lifespan of the O-rings.

Compatibility with O-ring specifications is key when selecting lubricants, as the wrong choice can cause swelling or degradation. Silicone-based lubricants offer thermal stability, while petroleum-based and specialized greases can be used cautiously depending on the material. Water-based lubricants are ideal for contamination-sensitive environments, and PTFE lubricants reduce friction effectively.

Conclusion

O-rings must be properly lubricated, which is essential for maintaining seal integrity and safety across various applications, including the oil and gas industry, energy sector, food and beverage industry, chemical industry, mining industry, agriculture sector, and aerospace industry.

ISMAT understands the needs of these domains and produces high-quality O-rings and seals that meet the unique requirements of each industry. As a leading manufacturer & exporter of O-rings in India, ISMAT ensures compliance with the highest standards of safety and durability.

With a team of experts and an unwavering focus on quality, ISMAT not only supports the integrity of your applications but also reinforces its reputation as a premium supplier in the global market.

To explore more about O-rings and seals and their requirements in various applications, please visit our website

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