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

Custom HNBR O-Ring Manufacturer in China

Product Details: HNBR (Hydrogenated Nitrile Butadiene Rubber) O-rings are made by hydrogenating the double bonds in nitrile’s butadiene segments, enhancing their heat, ozone, and chemical resistance. They are available in 70, 80, and 90 durometers and are suitable for use with petroleum-based oils and fuels, aliphatic hydrocarbons, vegetable oils, silicone oils and greases, ethylene glycol, water, and steam up to 300°F, as well as diluted acids, bases, and salt solutions. The ACN content can vary from 17% to 49%, affecting low-temperature properties and resistance to fuels and polar lubricants. Standard HNBRs typically have 36% ACN content.

Pros:
– Superior heat, ozone, and chemical resistance
– Excellent resistance to petroleum-based oils and fuels
– Good performance with aliphatic hydrocarbons, vegetable oils, silicone oils and…
– Resistant to diluted acids, bases, and salt solutions
– Can be used in demanding applications such as automotive and industrial settings
– Better low-temperature properties with lower ACN content

Cons:
– Not suitable for use with chlorinated hydrocarbons, ketones, ethers, esters, and…
– Inferior performance in dynamic systems if sulfur-cured, reducing heat resistanc…
– Higher ACN content results in inferior low-temperature properties

High-end Flat Round Rubber HNBR O Ring

Product Details: HNBR O-rings are made from a synthetic polymer obtained by saturating the double bonds in nitrile’s butadiene segments with hydrogen. This process enhances their heat, ozone, chemical resistance, and mechanical characteristics. They are available in 70, 80, and 90 durometers and have a service temperature range from -40°C to 150°C (-40°F to 300°F). HNBR O-rings are compatible with petroleum-based oils and fuels, aliphatic hydrocarbons, vegetable oils, silicone oils and greases, ethylene glycol, water, and steam up to 300°F, as well as diluted acids, bases, and salt solutions.

Pros:
– Superior heat, ozone, and chemical resistance
– Excellent mechanical characteristics
– Good abrasion and wear resistance
– Enhanced compression set resistance
– Compatible with a wide range of fluids including petroleum-based oils, fuels, an…
– Suitable for high dynamic loads
– Excellent resistance to sour gas and biological oils
– Ideal for modern coolant systems using R134a

Cons:
– Not compatible with chlorinated hydrocarbons, ketones, ethers, esters, and stron…
– Inferior performance in low-temperature applications with higher acrylonitrile c…
– Reduced heat resistance if sulfur-cured
– Not suitable for use with polar solvents, aromatic fuels, glycol-based brake flu…

HNBR O-rings-Dongguan Lanhe Electronics

Product Details: HNBR O-rings are made from hydrogenated nitrile butadiene rubber, specifically designed for superior temperature and fuel resistance. They are available in various durometers (70, 80, 90 Shore A) and colors (black, green, blue, etc.). The service temperature range is from -40°C to 150°C (-40°F to 300°F). HNBR O-rings are compatible with petroleum-based oils, fuels, aliphatic hydrocarbons, vegetable oils, silicone oils and greases, ethylene glycol, water, and steam. They are widely used in automotive, air conditioning, and oil and gas industries.

Pros:
– Superior heat and ozone resistance
– Excellent abrasion, wear, and compression set resistance
– Good resistance to many petroleum oils, greases, hydraulic fluids, and biologica…
– Compatible with Freon R-134a and compressor lubricant oil
– High tensile strength and durability
– Wide temperature range (-40°C to 150°C or -40°F to 300°F)

Cons:
– Not compatible with chlorinated hydrocarbons, ketones, ethers, esters, and stron…
– Not suitable for use with glycol-based brake fluids, polar solvents, aromatic or…
– Limited resistance to UV rays, direct sunlight, and weathering

China HNBR O Rings Manufacturer,Supplier

Product Details: HNBR O-rings are made from a synthetic polymer obtained by saturating the double bonds in nitrile’s butadiene segments with hydrogen. This process enhances their heat, ozone, chemical resistance, and mechanical characteristics. They are available in 70, 80, and 90 durometers and have varying Acrylonitrile (ACN) content from 17% to 49%. Standard HNBRs typically have 36% ACN content. The service temperature range is from -40°C to 150°C, with some compounds handling up to 160°C.

Pros:
– Superior heat, ozone, and chemical resistance
– Enhanced mechanical characteristics and abrasion resistance
– Suitable for use with petroleum-based oils and fuels, aliphatic hydrocarbons, ve…
– Good performance in diluted acids, bases, and salt solutions
– Excellent durability and compression set resistance
– Ideal for high dynamic loads and modern coolant systems using R134a

Cons:
– Not compatible with chlorinated hydrocarbons, ketones, ethers, esters, and stron…
– Higher ACN content reduces low-temperature properties
– Sulfur-curing reduces heat resistance and causes inferior compression set

HNBR o ring

HNBR Rubber O Ring

Product Details: HNBR O-rings are made from a synthetic polymer obtained by saturating the double bonds in nitrile’s butadiene segments with hydrogen. This process enhances the material’s heat, ozone, chemical resistance, and mechanical characteristics. HNBR O-rings are available in 70, 80, and 90 durometers and have a service temperature range from -40°C to 150°C (or up to 160°C for special compounds). They are compatible with petroleum-based oils and fuels, aliphatic hydrocarbons, vegetable oils, silicone oils and greases, ethylene glycol, water, and steam up to 300°F.

Pros:
– Superior heat, ozone, and chemical resistance
– Enhanced mechanical characteristics
– Good abrasion and wear resistance
– Excellent compression set durability
– Compatible with a wide range of fluids including petroleum-based oils, fuels, an…
– Suitable for high dynamic loads and modern coolant systems like R134a

Cons:
– Not compatible with chlorinated hydrocarbons, ketones, ethers, esters, and stron…
– Inferior performance in low-temperature applications with higher ACN content
– Reduced heat resistance if sulfur-cured
– Not recommended for use with glycol-based brake fluids, polar solvents, aromatic…

HNBR O Ring 24*3.1mm Manufacturers and Suppliers China

Product Details: HNBR O-rings are made from Hydrogenated Nitrile Butadiene Rubber, a highly saturated version of NBR. They offer superior resistance to heat, ozone, and oxygen, making them suitable for high-temperature applications. These O-rings are available in various dimensions and hardness levels, such as 70 Shore A and 90 Shore A. They are frequently used in automotive air conditioning systems, hydraulic systems, and other applications requiring good resistance to petroleum-based oils and Freons.

Pros:
– High temperature resistance
– Excellent resistance to ozone and oxygen
– Good resistance to petroleum-based oils and Freons
– High tensile and tear strength
– Suitable for extreme applications

Cons:
– Generally more expensive than standard NBR O-rings
– May have limited flexibility compared to other materials at lower temperatures
– Special handling may be required due to their specific properties

Custom O Ring Manufacturing in China with Quick Tooling …

Product Details: O-rings are toroidal elastomeric sealing devices designed to prevent the passage of fluids or gases between two mating surfaces under static or dynamic conditions. They are made from various elastomeric materials such as nitrile, fluorocarbon (Viton), silicone, neoprene, and EPDM. O-rings function based on the principle of zero-gap sealing, where the compressive force exerted by the mating surfaces deforms the o-ring, creating a barrier against leakage. They are used in a wide range of applications including aerospace, automotive, medical, and industrial sectors.

Pros:
– Exceptional sealing capabilities
– Flexibility and adaptability to various applications and sizes
– Cost-effective
– Reusable depending on material and application
– Lightweight and compact design
– Easy to install and maintain
– High sealing performance in both dynamic and static applications

Cons:
– Failure can occur due to improper installation, inadequate lubrication, abrasion…
– May require custom tooling for different materials, which can add complexity and…
– Material selection must be carefully considered based on the specific applicatio…

HNBR O Ring Seal OEM Manufacturer China

Product Details: The products include high-performance sealing and gasketing solutions such as PORON® Polyurethane and BISCO® Silicone foams. These materials are highly compressible and conformable, designed to withstand compression, manage impact energy, and seal out dust and particulate matter. They are used in various applications including aircraft, automotive, and industrial enclosures.

Pros:
– Highly compressible and conformable to ensure effective sealing
– Resistant to compression set, maintaining sealing integrity over time
– Low-outgassing, non-fogging, and free from plasticizers or residual chemicals
– Meet stringent industry standards such as Federal Aviation Regulations (FAR) and…

Cons:
– May require specific handling and installation to maintain performance
– Can be more expensive compared to other sealing materials
– Limited availability in certain regions or markets

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

Product Details: Savvy manufactures a wide range of o-rings, including traditional standard o-rings, encapsulated o-rings, backup-rings, and x-rings. The o-rings can be made from various materials such as NBR, FKM (Viton), Silicone, EPDM, HNBR, CR, Aflas, etc. The temperature range for these o-rings varies by material, with Silicone o-rings operating from -70°C to 220°C. The hardness of o-rings is measured in Shore A, typically ranging from 40 to 90, with 60-70 being the most common. O-rings are available in various colors, and custom colors can be produced with the provision of standard RAL or Pantone color numbers.

Pros:
– High-temperature resistance: Silicone o-rings can operate from -70°C to 220°C.
– FDA food grade: Suitable for medical and food industries.
– Good chemical resistance: Different materials offer compatibility with various c…
– Low mold/tooling cost: Custom o-rings can be produced at a very low cost.
– Fast delivery: Instant delivery by door-to-door courier is available.

Cons:
– Installation issues: High hardness can make installation inconvenient, while low…
– Material limitations: Different materials have specific limitations, such as NBR…

Comparison Table

Frequently Asked Questions (FAQs)

What materials are HNBR O-rings made of?

HNBR (Hydrogenated Nitrile Butadiene Rubber) O-rings are made from a specialized rubber compound known as Hydrogenated Acrylonitrile-butadiene. This material is renowned for its excellent resistance to high temperatures, oils, and chemicals, making it ideal for applications in harsh environments.

What are the typical applications of HNBR O-rings?

HNBR O-rings are widely used in various industries due to their robust properties. You can find them in automotive, aerospace, and industrial equipment, particularly in applications involving high pressure, temperature, and exposure to oils and chemicals. They are also used in cylinder seals and other shaft sealing applications.

What are the advantages of choosing HNBR O-rings over other materials?

HNBR O-rings offer several advantages. They have a high temperature range, from -30°C to 149°C, and excellent resistance to oils, fuels, and chemicals. This makes them more durable and long-lasting compared to other materials like NBR or silicone. Additionally, they provide good abrasion resistance and can handle high-pressure conditions.

Can HNBR O-rings be customized to meet specific requirements?

Yes, HNBR O-rings can be customized to fit your specific needs. Many Chinese manufacturers, such as those mentioned, offer customization options in terms of size, shape, and material specifications. You can provide your requirements, and the manufacturers will produce the O-rings according to your specifications.

What certifications and standards do HNBR O-ring manufacturers in China typically adhere to?

HNBR O-ring manufacturers in China often adhere to international standards such as ISO, DIN, and ASTM. These manufacturers ensure their products meet or exceed industry standards, such as RoHS and SGS certifications, to guarantee the quality and reliability of the O-rings. This ensures you receive high-quality products that meet your industry’s requirements.