Are you on the hunt for high-quality NBR O-rings but feel overwhelmed by the options available in China? You’re not alone! With so many manufacturers vying for your attention, it’s crucial to compare the top factories to ensure you get the best products for your needs. Understanding the strengths and specialties of each manufacturer can save you time, money, and headaches down the line. Ready to discover the leading players in the NBR O-ring industry? Let’s dive in and explore the top factories that can elevate your project to the next level!

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

Product Details: O-Rings are rubber sealing rings with a circular cross-section used to seal various fluids such as air, water, and oil. They are widely used in hydraulic and pneumatic systems to prevent leakage under static and dynamic conditions.

Technical Parameters:
– Material: NBR, FKM, Silicone, HNBR, VMQ, etc.
– Temperature Range: -70°C to 220°C

Application Scenarios:
– Mechanical parts to prevent leakage of liquids and gases.
– Dynamic and static sealing applications in various industries.

Pros:
– Simple structure and compact installation.
– Self-sealing effect with no need for periodic adjustment.

Cons:
– High starting friction resistance in compression sealing.
– Difficult to achieve zero leakage in dynamic seals.

NBR O-Rings, Buna-N / Nitrile O-Rings – China Manufacturer – Savvy

Product Details: NBR O-Rings, also known as Nitrile O-Rings, Buna-N O-Rings, or Perbunan O-Rings, are widely used rubber o-rings made from a copolymer of acrylonitrile and butadiene. They are known for their low price and good performance.

Technical Parameters:
– Material: NBR / Nitrile / Buna-N / Perbunan
– Temperature Range: -40 °C to 120 °C
– Durometer Hardness: Shore A 40-90, standard at Shore A 70
– Color: Black (custom colors available)
– Cross Section Width: 0.5 to 20 mm
– Inside Diameter: 0.7 to 2965 mm
– Shelf Life: 5 – 10 years

Application Scenarios:
– Used in fuel tanks and lubricating oil tanks
– Applicable in petroleum hydraulic oil, gasoline, silicone oil, diester lubricati…

Pros:
– Good mechanical properties and abrasion resistance
– Excellent compatibility with oils and fuels

Cons:
– Not suitable for polar solvents like ketones and ozone
– Poor resistance to fire

China NBR ORING Manufacturers and Suppliers, Factory | BD SEALS

Product Details: NBR O-Rings by Ningbo Bodi Seals Co., Ltd. are made from premium quality Nitrile Butadiene Rubber (NBR) and are designed for exceptional sealing performance.

Technical Parameters:
– Excellent resistance to oils, fuels, and various fluids
– Produced using state-of-the-art technology for consistent dimensions and tight t…

Application Scenarios:
– Automotive industry
– Aerospace and hydraulic systems

Pros:
– Highly durable with excellent resistance to wear and tear
– Cost-effective and easy to install

Cons:
– Limited information on specific size ranges
– Potential compatibility issues with certain chemicals not specified

China Nbr O-Ring Manufacturers and Suppliers, Factory | BD SEALS

Product Details: Nbr O-Ring made from high-quality Nitrile Butadiene Rubber (NBR), designed for exceptional resistance to oil, fuel, and other industrial fluids.

Technical Parameters:
– Material: Nitrile Butadiene Rubber (NBR)
– Resistance: Oil, fuel, and industrial fluids

Application Scenarios:
– Hydraulic systems
– Automotive applications

Pros:
– Exceptional performance and durability
– Meticulously crafted with advanced technology and rigorous testing

Cons:
– Limited information on specific sizes and dimensions
– Potential compatibility issues with certain chemicals

China NBR O-ring Manufacturers, Suppliers – KODA

Product Details: NBR O-Rings available in various sizes with a working temperature range of -20°C to 220°C and hardness of Shore A 50-90.

Technical Parameters:
– Working temperature: -20°C to 220°C
– Hardness: Shore A 50-90

Application Scenarios:
– Sealing applications in various industries
– Used in environments requiring resistance to oils and fuels

Pros:
– High temperature resistance
– Good sealing performance

Cons:
– Limited to specific chemical compatibility
– Not suitable for high-temperature steam applications

China Nbr O Rings Manufacturers and Suppliers, Factory | BD SEALS

Product Details: Nbr O Rings are durable and versatile sealing solutions designed for various industrial applications, offering exceptional durability, flexibility, and resistance to harsh operating conditions.

Technical Parameters:
– High-quality NBR material
– Customizable options available

Application Scenarios:
– Extreme temperatures
– Chemical exposure

Pros:
– Reliable sealing performance
– Enhances efficiency and longevity of machinery

Cons:
– Limited information on specific sizes
– Potential compatibility issues with certain chemicals

NBR O-RING Manufacturers From China (Mainland) Sealsmart Seal Co.,Ltd.

Product Details: NBR O-RING – Professional production of precision O-ring, rubber ring, sealing ring, rubber gaskets, PTFE seals, oil seals, rubber, plastic balls, rubber balls, PA ball, POM ball, PP ball, plastic sheet, PEEK / PPS sheet stick materials, electricity boards, PB fast buses, high-tech manufacturers.

Technical Parameters:
– Material: NBR, HNBR, EPDM, VMQ(SI), FKM(VITON), XNBR, CR, FFKM, NR, SBR
– Colour: White, Black, Red, Blue

Application Scenarios:
– Auto, air condition, machinery
– Water pumps, valves, furniture, toys, pipes

Pros:
– Excellent petroleum-based fuel and oils resistance
– Good wear resistance

Cons:
– Avoid direct exposure to ozone and sunlight
– Limited to sealing fluid liquids or gases

Top 10 O-ring Manufacturers and Suppliers in China (2024) – Hongju

Product Details: O-rings are circular cross-section sealants used to prevent leakage of liquids and gases. They can be manufactured in various sizes and materials, including nitrile rubber, silicone, EPDM, and Fluorocarbon (Viton).

Technical Parameters:
– Available in standard and metric sizes
– Made from various materials for different applications

Application Scenarios:
– Used in automotive and aerospace industries
– Applicable in medical equipment and construction

Pros:
– Wide range of products available
– Customization options for specific needs

Cons:
– Minimum order quantities may apply
– Quality may vary between manufacturers

China NBR O-ring Manufacturers Suppliers Factory – Customized NBR O …

Product Details: NBR O-Rings, also known as Nitrile or Buna-N, are synthetic rubber seals made from acrylonitrile and butadiene. They are widely used for their excellent sealing capabilities in various industries.

Technical Parameters:
– Temperature range: -40°C to 135°C
– Durometer: Available in 70A and 90A hardness

Application Scenarios:
– Automotive industry for fuel and oil systems
– Aerospace industry in fluid power systems

Pros:
– Excellent resistance to oil and chemicals
– Strong and durable under heat and pressure

Cons:
– Poor performance when exposed to UV and ozone
– Limited steam resistance

O Rings, Gasket Rings, Sealing Ring Suppliers, Manufacturers, Factory …

Product Details: O-rings, gaskets, waterproof rings, cushions, custom-made miscellaneous pieces and other rubber products.

Technical Parameters:
– Various materials including NBR, HNBR, EPDM, and silicone.
– Available in different sizes and hardness levels.

Application Scenarios:
– Automotive sealing applications.
– Industrial machinery and equipment.

Pros:
– Stable and reliable sealing solutions.
– Cost-effective options for various applications.

Cons:
– Limited information on specific performance metrics.
– Potential variability in quality depending on manufacturing.

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Comparison Table

Company	Product Details	Pros	Cons	Website
O-Rings, Rubber Seals – Best China Manufacturer & Supplier – Savvy	O-Rings are rubber sealing rings with a circular cross-section used to seal various fluids such as air, water, and oil. They are widely used in hydrau…	– Simple structure and compact installation. – Self-sealing effect with no need for periodic adjustment.	– High starting friction resistance in compression sealing. – Difficult to achieve zero leakage in dynamic seals.	savvyrubber.com
NBR O-Rings, Buna-N / Nitrile O-Rings – China Manufacturer – Savvy	NBR O-Rings, also known as Nitrile O-Rings, Buna-N O-Rings, or Perbunan O-Rings, are widely used rubber o-rings made from a copolymer of acrylonitrile…	– Good mechanical properties and abrasion resistance – Excellent compatibility with oils and fuels	– Not suitable for polar solvents like ketones and ozone – Poor resistance to fire	savvyrubber.com
China NBR ORING Manufacturers and Suppliers, Factory	BD SEALS	NBR O-Rings by Ningbo Bodi Seals Co., Ltd. are made from premium quality Nitrile Butadiene Rubber (NBR) and are designed for exceptional sealing perfo…	– Highly durable with excellent resistance to wear and tear – Cost-effective and easy to install	– Limited information on specific size ranges – Potential compatibility issues with certain chemicals not specified
China Nbr O-Ring Manufacturers and Suppliers, Factory	BD SEALS	Nbr O-Ring made from high-quality Nitrile Butadiene Rubber (NBR), designed for exceptional resistance to oil, fuel, and other industrial fluids.	– Exceptional performance and durability – Meticulously crafted with advanced technology and rigorous testing	– Limited information on specific sizes and dimensions – Potential compatibility issues with certain chemicals
China NBR O-ring Manufacturers, Suppliers – KODA	NBR O-Rings available in various sizes with a working temperature range of -20°C to 220°C and hardness of Shore A 50-90.	– High temperature resistance – Good sealing performance	– Limited to specific chemical compatibility – Not suitable for high-temperature steam applications	www.kodaseal.com
China Nbr O Rings Manufacturers and Suppliers, Factory	BD SEALS	Nbr O Rings are durable and versatile sealing solutions designed for various industrial applications, offering exceptional durability, flexibility, an…	– Reliable sealing performance – Enhances efficiency and longevity of machinery	– Limited information on specific sizes – Potential compatibility issues with certain chemicals
NBR O-RING Manufacturers From China (Mainland) Sealsmart Seal Co.,Ltd.	NBR O-RING – Professional production of precision O-ring, rubber ring, sealing ring, rubber gaskets, PTFE seals, oil seals, rubber, plastic balls, rub…	– Excellent petroleum-based fuel and oils resistance – Good wear resistance	– Avoid direct exposure to ozone and sunlight – Limited to sealing fluid liquids or gases	www.sealsmart.cn
Top 10 O-ring Manufacturers and Suppliers in China (2024) – Hongju	O-rings are circular cross-section sealants used to prevent leakage of liquids and gases. They can be manufactured in various sizes and materials, inc…	– Wide range of products available – Customization options for specific needs	– Minimum order quantities may apply – Quality may vary between manufacturers	hongjusilicone.com
China NBR O-ring Manufacturers Suppliers Factory – Customized NBR O …	NBR O-Rings, also known as Nitrile or Buna-N, are synthetic rubber seals made from acrylonitrile and butadiene. They are widely used for their excelle…	– Excellent resistance to oil and chemicals – Strong and durable under heat and pressure	– Poor performance when exposed to UV and ozone – Limited steam resistance	www.jinshunsealing.com
O Rings, Gasket Rings, Sealing Ring Suppliers, Manufacturers, Factory …	O-rings, gaskets, waterproof rings, cushions, custom-made miscellaneous pieces and other rubber products.	– Stable and reliable sealing solutions. – Cost-effective options for various applications.	– Limited information on specific performance metrics. – Potential variability in quality depending on manufacturing.	www.yuefeng-seal.com

Frequently Asked Questions (FAQs)

What is NBR, and why is it used for O-rings?

NBR, or nitrile butadiene rubber, is a synthetic rubber known for its excellent resistance to oil, fuel, and other chemicals. It’s widely used in O-rings because it provides a reliable seal in various applications, from automotive to industrial machinery. Its durability and flexibility make it a popular choice for ensuring longevity and performance.

How do I choose the right NBR O-ring manufacturer in China?

When selecting an NBR O-ring manufacturer, consider their experience, certifications, and production capabilities. Look for reviews and testimonials from previous clients, and request samples to assess quality. It’s also important to communicate your specific needs to ensure they can meet your requirements.

What are the typical lead times for NBR O-rings from Chinese manufacturers?

Lead times can vary based on the manufacturer and order size, but generally, you can expect around 2 to 6 weeks for production. Custom orders may take longer, so it’s advisable to discuss timelines upfront. Always factor in additional time for shipping and customs clearance.

Are NBR O-rings from China of good quality?

Many Chinese manufacturers produce high-quality NBR O-rings that meet international standards. However, quality can vary between factories, so it’s crucial to do your research. Look for manufacturers with ISO certifications and a solid track record to ensure you receive reliable products.

Can I get custom sizes and specifications for NBR O-rings?

Yes, most manufacturers in China offer custom sizes and specifications for NBR O-rings. You can provide your design requirements, and they will work with you to create O-rings that fit your specific applications. Just ensure to communicate your needs clearly for the best results.