Are you looking for the best FPM O-ring factories in China? If so, you’re in the right place. In this article, we’ll compare the top manufacturers, highlighting their strengths, product ranges, and what sets them apart. Let’s dive into the world of high-quality FPM O-rings and find the perfect fit for your needs.

Mechanical Viton FPM Rubber O Ring

Product Details: Viton® O-Rings are made from a fully synthetic polymer elastomer known as fluoroelastomer (FKM or FPM). They are characterized by their high fluorine content, typically around 66% but can be as high as 70% in high-fluorine (HFKM) and perfluorinated (FFKM) types. These O-Rings are available in various formulations such as A, B, F, GLT, GFLT, XLT, ULT, ETP, and TBR, each with specific properties and applications.

Pros:
– High temperature resistance, with a service temperature range of -50°C to +205°/…
– Excellent chemical resistance to acids, mineral and vegetable oils, greases, fue…
– Low compression set and low gas permeability[2][4] – Exceptional resistance to aging, chemical, and ozone attacks[2][5] – High tensile strength and structural strength[1] – Good air tightness, weather resistance, flame resistance, radiation resistance,…

Cons:
– Not resistant to ketones, esters, and nitrate-containing mixtures[1] – Not recommended for use with steam, amines, or polar solvents[4][5] – Higher cost compared to other types of rubber due to higher fluorine content and…

China Factory NBR FKM FPM EPDM Rubber O ring Nitrile …

Product Details: EPDM O-rings are made from ethylene-propylene-diene-monomer (EPDM) rubber. They have a hardness of 70 Shore A, offering a balance between flexibility and durability. These O-rings are resistant to ozone, UV radiation, and various weather conditions. They also exhibit good resistance to chemicals such as water, steam, and certain acids and bases. The operating temperature range is approximately -50°C to +150°C. Key properties include a tensile strength of 10.9 MPa, an elongation at break of 282%, and a compression set of 38% after 22 hours at 125°C.

Pros:
– Excellent resistance to ozone, UV radiation, and weather conditions
– Good chemical resistance to water, steam, and various acids and bases
– Suitable for outdoor applications and hydraulic/pneumatic systems
– Offers a good balance between flexibility and durability
– Effective sealing and long-lasting performance

Cons:
– Not suitable for applications with high mechanical loads; EPDM 80 Shore A is bet…
– Strong swelling in aliphatic, aromatic, and chlorinated hydrocarbons
– Limited oil resistance compared to other materials like NBR or FKM

China FPM O-ring Manufacturers, Suppliers

FKM Material O Ring FPM Sealing Ring

Product Details: Viton® O-rings are made from fluorocarbon (FKM) materials, known for their high performance. They are composed of vinylidene fluoride (VF2) and hexafluoropropylene (HFP), with fluorine content ranging from 66% to 70%. These O-rings are available in various types, including A, B, F, GLT, and Viton® Extreme, each with different properties and applications. They operate within a temperature range of -26°C to 232°C (-15°F to 450°F) in static applications and -15°C to 200°C (5°F to 392°F) in dynamic applications[1][3][5].

Pros:
– Excellent resistance to high temperature, ozone, weather, oxygen, mineral oil, f…
– Wide range of chemical compatibility and excellent resistance to acids, mineral…
– Low compression set and low gas permeability.
– Exceptional resistance to aging, chemical, and ozone attacks.
– Suitable for applications in automotive, chemical processing, aerospace, and oth…

Cons:
– Incompatible with amines, glycol-based brake fluids, methanol, ammonia gas, alka…
– Limited cold flexibility, with some types having a lower temperature limit of ar…
– Special formulations and compounds may be necessary for specific applications, w…
– May have fair to good tear resistance, water steam resistance, and electrical pr…

Wholesale VITON FKM FPM O Ring for Sale

Top 10 Viton O-ring Manufacturers and Suppliers in China …

Product Details: Viton® O-Rings are made from fluorocarbon materials, specifically fluoroelastomers (FKM), known for their excellent chemical and temperature resistance. They are available in various types such as A, B, F, GLT, and GFLT, each with different fluorine content and properties. Standard temperature range is -20°F to 400°F (-29°C to 204°C), and standard hardness is 70-75 Shore A. They are widely used in chemical, automotive, aerospace, and industrial applications.

Pros:
– Excellent resistance to acids, fuels, mineral and vegetable oils, and many organ…
– High heat resistance with situational service life above 200°C.
– Good to excellent dynamic and set resistance, tensile strength, and abrasion res…
– Low gas permeability and low compression set.
– Available in various formulations to meet specific application needs, including…

Cons:
– Not recommended for use with steam, amines, or polar solvents.
– Fair to good resistance to water and steam.
– Fair cold resistance.
– Fair electrical properties.
– Tear resistance is fair to good.

China Factory Rubber ORing Seals NBR FKM FPM EPDM …

China FKM VITON FPM Rubber O-Rings 70shore-A 75shore …

Product Details: FKM/Viton O-rings are made from a fluoroelastomer material known for its high temperature and chemical resistance. They are available in various hardness levels, such as 60 Shore A and 85 Shore A. These O-rings are used in applications requiring maximum resistance to chemicals, fluids, and high temperatures, including aerospace, automotive, and mechanical equipment. Different formulations like A, B, F, GLT, and others are available to suit specific needs.

Pros:
– Wide range of chemical compatibility
– Extremely wide temperature range (-50°C to +205°/230°C or -15°F to +400°/440°F)
– Low compression set and low gas permeability
– Excellent resistance to acids, mineral and vegetable oils and greases, fuels, al…
– Exceptional resistance to aging, chemical and ozone attacks

Cons:
– Not resistant to ketones, hot water, steam, brake fluid, alkalis, and Skydrol® f…
– Not suitable for ammonia gas, amines, alkalis, Skydrol 500, Methyl Ethyl Ketone…

O-Rings, Rubber Seals – Best China Manufacturer & Supplier

Product Details: Savvy manufactures a wide range of o-rings made from various materials including NBR, FKM (Viton), Silicone, EPDM, HNBR, CR, Aflas, and more. These o-rings are available in both imperial and metric sizes and can be customized to meet specific needs. The temperature range for these o-rings varies by material: -70°C to 220°C for Silicone, and other ranges depending on the material. The hardness is typically measured in Shore A, with common values ranging from 60 to 90. O-rings can be produced in various colors, and Savvy offers fast delivery through door-to-door courier services.

Pros:
– Good property and low cost, especially for NBR which accounts for about 50% of o…
– FKM (Viton) offers the best comprehensive performance and is widely used in high…
– Silicone o-rings are FDA-approved, tasteless, non-toxic, and resistant to high t…
– Custom o-rings can be made at a very low mold/tooling cost with fast delivery.
– Available in various colors for easy identification.

Cons:
– Low hardness o-rings are prone to peeling, installation damage, extrusion, and p…
– High hardness o-rings can be inconvenient to install.
– Unique colors may increase the cost and require a larger MOQ with a longer deliv…

China Factory Green Oil Resistance Fuel Injector FPM Rubber …

Comparison Table

Frequently Asked Questions (FAQs)

What materials are FPM (FKM/Viton) O-rings typically made of?

FPM (FKM/Viton) O-rings are made from a type of fluorinated rubber known as Fluorocarbon elastomer. This material is renowned for its excellent resistance to chemicals, high temperatures, and oils, making it ideal for use in harsh environments such as in the automotive, aerospace, and chemical processing industries.

What are the common applications of FPM O-rings?

FPM O-rings are widely used in various industries due to their robust properties. You can find them in engines, cars, mechanical equipment, and any application where high chemical resistance and durability are required. They are also common in aerospace and petroleum industries where they need to withstand extreme conditions.

How do I choose the right size for my FPM O-ring needs?

Choosing the right size for your FPM O-ring involves specifying the inside diameter (ID), outside diameter (OD), and the cross-section (CS) or width. Standard sizes follow various international standards such as AS568, BS1516, JIS B 2401, and ISO 3601. If you need custom sizes, many manufacturers offer non-standard sizes based on your specific requirements.

What certifications should I look for in FPM O-ring manufacturers?

When selecting an FPM O-ring manufacturer, look for certifications like ISO 9001 for quality management, RoHS for environmental compliance, and SGS for product safety standards. These certifications ensure that the products meet high-quality and safety standards, giving you confidence in their reliability and performance.

Can FPM O-rings be customized, and what is the typical delivery time?

Yes, FPM O-rings can be customized to fit your specific needs. Many manufacturers in China offer customization services, including different sizes, shapes, and materials. The typical delivery time can range from 7 to 15 days, depending on the complexity of the order and the shipping method chosen, such as by air or sea.