Viton Rubber Gasket
Viton rubber gaskets designed for demanding sealing applications. Our custom FKM gaskets provide excellent resistance to heat, chemicals, fuels, oils, and aggressive media, ensuring reliable sealing performance in harsh industrial environments.
What Is a Viton Rubber Gasket?
Viton (FKM) is a premium fluoroelastomer material,it is called fkm or fpm in undustry, it is widely used in high-temperature and chemically aggressive sealing applications.,it is far better heat and chemilcal resistance than ordinary rubber.
Premium Viton™ & FKM Gasket Manufacturer: Extreme Heat & Chemical Sealing
In harsh operating environments, standard rubber sealing materials inevitably fail. As a leading Viton gasket manufacturer and factory-direct OEM Viton rubber gaskets supplier, RiseUp provides complete end-to-end sealing solutions—from raw material compounding to final production and shipment.
Our sealing products are engineered to perform reliably under continuous exposure to temperatures exceeding +200°C (+392°F), as well as highly corrosive chemicals and aggressive industrial fluids.
We understand that every project must balance regulatory compliance and cost control. Procurement teams and engineers often need a solution that delivers the required performance without exceeding budget constraints. To address this challenge, we offer a dual-track material strategy:
- Genuine Chemours Viton™ for applications requiring strict aerospace, military, or certified-performance specifications.
- Premium FKM gaskets for heavy-duty industrial applications where exceptional chemical resistance and high-temperature performance are required at a more cost-effective price point.
From precision die-cut Viton rubber gaskets to complex molded FKM seal gaskets, we provide complete sealing solutions tailored to your application requirements. As a trusted FKM gasket manufacturer, we deliver the technical expertise, manufacturing capability, and material options needed to protect your critical systems in the most demanding environments.
Viton™ vs. FKM Gaskets: Understanding the Terminology
When sourcing seals for high-temperature and chemically aggressive environments, procurement teams often encounter a confusing mix of terminology. Engineering drawings may specify Viton rubber gaskets, standard FKM gaskets, or even hybrid terms such as FKM Viton seal gaskets.
Are these different materials?
The short answer is no. They all refer to the same base family of synthetic fluorocarbon elastomers.
To help you make informed purchasing decisions and ensure you select the exact elastomer compound your application requires, here is a clear breakdown of the industry terminology:
FKM (Fluoroelastomer)
FKM is the official ASTM and ISO designation for a family of high-performance fluorocarbon elastomers. When engineers search for an FKM gasket manufacturer or specify FKM seal gaskets on technical drawings, they are simply requesting components manufactured from fluoroelastomer material.
Viton™
Viton™ is a registered trademark originally developed by DuPont and now owned by The Chemours Company for its specific brand of FKM fluoroelastomers.
Because Viton™ was one of the first and most widely recognized fluorocarbon elastomers in the market, the brand name has become almost synonymous with FKM itself. As a result, engineers frequently specify Viton rubber gaskets or search for reliable Viton seals and gaskets, even when any high-quality FKM compound would satisfy the required performance specifications.
The Manufacturing Reality
Due to this long industrial history, it is extremely common for buyers to use blended terminology when sourcing sealing products.
Whether your procurement team is:
Evaluating Viton gasket suppliers
Looking to work directly with Viton gasket manufacturers
Searching for a reliable Viton rubber gasket supplier for large-volume production
they are generally seeking a high-performance fluoroelastomer sealing solution.
RiseUp’s Transparent Approach
As a vertically integrated rubber parts manufacturer, RiseUp removes the confusion surrounding trademarks and material terminology.
We provide complete transparency by offering both:
Genuine Chemours Viton™ compounds for applications requiring specific brand certification or strict aerospace and military compliance requirements.
Premium equivalent FKM compounds that deliver outstanding high-temperature and chemical resistance at a more cost-effective price point.
This allows you to precisely match material selection to your compliance requirements, engineering specifications, and budget objectives—without paying unnecessary brand premiums when they are not required.
Not All Viton is Created Equal: Understanding FKM Grades
One of the most common mistakes procurement teams make is treating “Viton” as a single, universal material. Simply specifying a standard Viton rubber gasket on a purchase order without considering the actual chemical environment can result in premature seal failure and compromised system performance.
As a China-based FKM gasket manufacturer with over 20 years of integrated R&D and manufacturing experience, we engineer sealing solutions based on the specific fluorine content and polymer structure required by your application. Below are the primary FKM grades we manufacture and supply:
🅰️ Viton™ A (66% Fluorine Content)
The industry’s workhorse grade.
This general-purpose FKM offers excellent resistance to:
Automotive engine oils
Aerospace lubricants
Standard fuels
Continuous temperatures up to +200°C (+392°F)
It is the most commonly specified material for everyday high-temperature Viton rubber gaskets and industrial sealing applications.
🅱️ Viton™ B (68% Fluorine Content)
The upgraded chemical-defense solution.
With a higher fluorine content, Viton B provides superior resistance to:
Aggressive acids
Sulfur dioxide exposure in utility systems
Harsh chemical-processing environments
Corrosive industrial fluids
If standard FKM gaskets experience swelling or degradation in your chemical piping system, upgrading to Viton B is often the recommended solution.
🇫 Viton™ F (70% Fluorine Content)
The ultimate fuel-resistance specialist.
This advanced grade is specifically designed to withstand:
Modern oxygenated fuels
Ethanol-blended gasoline
Methanol-containing fuel systems
High-octane aviation fuels
Aggressive fuel mixtures that can degrade lower-fluorine elastomers
For demanding fuel-system applications, Viton F delivers exceptional sealing reliability.
☣️ Viton™ Extreme™ (ETP)
The ultimate problem solver.
While conventional FKM compounds may struggle when exposed to:
High-pH alkaline solutions
Amines
Low-molecular-weight ketones
Viton™ Extreme™ (ETP) utilizes a unique ethylene-tetrafluoroethylene-based chemistry that combines the broad chemical resistance associated with PTFE (Teflon®) with the flexibility and sealing performance of a premium FKM seal gasket.
This makes it one of the most capable elastomer solutions available for highly aggressive chemical-processing applications.
Engineering Insight
Not all FKM materials are created equal. Selecting the correct fluorine content and polymer architecture is often the difference between years of reliable service and premature seal failure. As an experienced FKM gasket manufacturer, we help customers match the exact FKM grade to their operating media, temperature range, compliance requirements, and budget objectives to ensure long-term sealing performance.
When to Specify Viton (and When to Save Your Budget)
FKM is a premium, high-cost fluoroelastomer. As a responsible Viton gasket manufacturer, we believe in being transparent, honest, and objective with our customers. Our goal is not to sell you the most expensive material, but to engineer the most efficient custom rubber parts solution for your specific return on investment (ROI).
We will clearly tell you when Viton is absolutely necessary—and when a more cost-effective alternative can deliver the performance you need without unnecessary overspending.
🟢 Green Zone: When Viton Is the Right Choice
When your system faces any of the following conditions, our premium FKM gaskets are often the most reliable solution:
🔥 Continuous Extreme Temperatures
Operating environments that continuously exceed +150°C (+302°F) and reach up to +200°C (+392°F).
Standard elastomers may harden, crack, soften, or fail under these conditions, while FKM maintains its sealing integrity.
🧪 Aggressive Chemical Exposure
Direct contact with:
- Strong acids (such as sulfuric acid and nitric acid)
- Halogenated hydrocarbons
- High-concentration aromatic solvents (such as toluene and benzene)
FKM provides exceptional resistance where conventional elastomers quickly degrade.
🛢️ High-Vacuum Applications
FKM exhibits extremely low outgassing characteristics, making molded Viton rubber gaskets the preferred sealing solution for:
- Semiconductor processing chambers
- High-vacuum flanges
- Analytical instruments
- Aerospace vacuum systems
🔴 Red Zone: Where Standard Viton Can Fail
To provide honest engineering guidance, it is important to recognize that FKM is not a universal solution.
Do not specify standard FKM seal gaskets for the following applications:
⚠️ Ketones and Amines
Conventional FKM compounds can rapidly swell when exposed to:
- MEK (Methyl Ethyl Ketone)
- Acetone
- Hot amine mixtures
Specialized compounds or alternative elastomers should be considered.
⚠️ High-Pressure Steam
Unless a specially formulated steam-resistant grade is selected, standard Viton compounds may degrade in prolonged exposure to high-temperature, high-pressure steam environments.
💡 ROI Recommendation: When You Can Save Money
If your application does not involve temperatures approaching +200°C or aggressive chemical exposure, you may be over-specifying the material.
🌦️ For Weather, UV, and Ozone Resistance
If your primary concern is outdoor exposure, sunlight, weathering, and ozone resistance, save your budget by choosing our custom EPDM gaskets.
EPDM often provides superior outdoor durability at a significantly lower material cost.
🚗 For Standard Oil and Fuel Service
If your application only requires resistance to conventional engine oils, diesel fuel, hydraulic fluids, or lubricants at normal operating temperatures, our NBR (Nitrile) gaskets deliver excellent sealing performance at a fraction of the cost of FKM.
Precision Manufacturing for Custom FKM & Viton Gaskets
Trusted by Industries Where Failure is Not an Option
In high-risk engineering applications, a single seal failure can result in millions of dollars in downtime losses, catastrophic environmental damage, or serious safety hazards. When standard elastomers melt, crack, or chemically degrade, elite engineering teams rely on our FKM sealing solutions.
As a trusted Viton rubber gaskets manufacturer, we provide mission-critical sealing components for some of the world’s most demanding industries:
🧪 Chemical & Petrochemical Processing
Chemical plants handle highly aggressive media every day. We manufacture heavy-duty Viton flange gaskets capable of continuous exposure to concentrated sulfuric acid, nitric acid, and corrosive industrial solvents without swelling, softening, or degradation.
Our sealing solutions help maintain process integrity, minimize leakage risks, and protect critical equipment in harsh chemical environments.
✈️ Aerospace
Jet engines and Auxiliary Power Units (APUs) operate under extreme temperatures where conventional elastomers would quickly fail.
We precision-cut and mold high-performance Viton seals and gaskets for aerospace fuel systems, ensuring reliable sealing of high-octane aviation fuels and synthetic lubricants at temperatures up to +200°C (+392°F) and beyond.
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🛢️ Oil & Gas (Downhole Drilling)
Deepwater drilling environments expose sealing systems to explosive pressures, sour gas (H₂S), aggressive hydrocarbons, and extreme downhole temperatures.
Our specialized high-fluorine FKM gaskets are deployed in Blowout Preventers (BOPs), downhole tools, valves, and sealing systems, maintaining sealing integrity under some of the harshest operating conditions on Earth.
🔬 Semiconductor & High-Vacuum Chambers
Microchip manufacturing requires environments free from molecular contamination.
Thanks to the exceptionally low outgassing characteristics of FKM, our cleanroom-inspected Viton rubber gaskets are widely used as a preferred sealing solution for:
- High-vacuum process chambers
- Semiconductor manufacturing equipment
- Analytical instruments
- Ultra-high-purity chemical delivery systems
These seals help maintain vacuum stability while minimizing contamination risks that could compromise production yields.
Frequently Asked Questions About Custom Viton & FKM Gaskets
Standard FKM compounds perform reliably under continuous exposure to +200°C (+392°F). For short, intermittent periods, they can withstand spikes up to +250°C (+482°F) without melting or losing sealing integrity.
While black is the standard industrial color, viton gasket suppliers often manufacture FKM in brown or green. This is purely for visual identification, allowing plant maintenance workers to quickly distinguish expensive Viton parts from standard black NBR or EPDM parts on the factory floor.
Both handle extreme heat well. However, Silicone fails immediately when exposed to fuels, oils, or strong acids. If your high-temperature application also involves aggressive fluids or hydrocarbons, a viton rubber gasket is the only correct choice.
Standard Viton A is generally only rated down to -20°C (-4°F) before losing flexibility. If you need low-temperature FKM, you must specify a specialty aerospace-grade compound (like Viton GLT), which can remain flexible down to -40°C
FKM is exceptionally dense. A viton rubber gasket will be significantly heavier than a Nitrile gasket of the exact same size. Additionally, authentic FKM will self-extinguish when burned, whereas NBR will continue to burn.
Yes. We manufacture high-purity, FDA-compliant fkm seal gaskets (often white or off-white) specifically for food, beverage, and pharmaceutical processing equipment where aggressive cleaning chemicals (CIP/SIP) are used.
According to aerospace standard ARP5316, FKM elastomers have an unlimited shelf life (often rated 20+ years) when stored correctly away from direct sunlight, extreme humidity, and ozone-generating equipment.
Yes. As a comprehensive viton rubber gaskets manufacturer, we utilize CNC flash-cutting for flat flange gaskets and high-precision compression molding for complex 3D seals and heavy-duty O-rings.
RiseUp is a direct-to-OEM fkm gasket manufacturer. By working with us, you bypass the heavy markups of standard trading companies and gain direct access to factory pricing and materials science engineering.
Because we utilize dieless CNC technology, we support rapid prototyping and low-volume orders for fkm gaskets with lead times of 3 to 5 days. High-volume molded production typically requires 2 to 3 weeks.
MOQ 500 pcs, Accept Customization for Small Order. Design Products as Your Idea.
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Alan Chen
Product Sales Manager & Rubber Specialist at RISEUP
