Top 10 Nbr ring China Products Compare 2025

Are you curious about where to find the best NBR ring factories in China? With so many options available, it can be overwhelming to choose the right one. In this article, we’ll explore the top manufacturers, highlighting their strengths and what sets them apart, making your decision easier.

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 have a temperature range of -40 °C to 120 °C, a durometer hardness range of Shore A 40-90, and are available in various sizes and colors.

Pros:
– Good mechanical properties
– Excellent abrasion and heat resistance
– Compatible with fuel, oil, and gasoline

Cons:
– Not suitable for polar solvents
– Poor resistance to fire


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

Custom Rubber Seals & O-rings Manufacturer | Haisun Rubber

Product Details: HAISUN manufactures precision O-rings such as NBR, HNBR, AMQ, FKMT, EDPM, ACM, and CR. They supply standard O-ring parts and O-ring kits to meet clients’ needs. Their factory is IATF16949 certified, with ISO Class-100,000 clean rooms assembly and relubrication services.

Pros:
– High precision with tolerance up to 0.01 mm for O-rings.
– Wide range of materials and custom rubber parts available.

Cons:
– Limited information on specific applications for each type of O-ring.
– Potentially higher costs due to precision manufacturing processes.


Custom Rubber Seals & O-rings Manufacturer | Haisun Rubber

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

Product Details: Savvy manufactures high-quality rubber O-rings including NBR, FKM, VMQ, HNBR, and encapsulated O-rings, suitable for various sealing applications with different temperature ranges and hardness levels.

Pros:
– Low manufacturing cost and convenient use.
– Wide application and strong adaptability.

Cons:
– Difficult to achieve zero leakage in dynamic seals.
– Improper use can lead to cutting, twisting, and breaking.


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

Quality Rubber O Rings & NBR O Rings factory from China

Product Details: Quality Rubber O Rings & NBR O Rings manufactured by Jiangsu Kunyuan Rubber & Plastic Technology Co., Ltd. The products are made with automatic injection molding machines and inspected with automatic quality inspection facilities. They meet the standards of Europe, the US, and Japan.

Pros:
– High-quality materials with excellent durability
– Wide range of products including various types of O rings and seals

Cons:
– Limited information on specific product performance metrics
– Potential variability in availability based on demand


Quality Rubber O Rings & NBR O Rings factory from China

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.

Pros:
– High temperature resistance
– Wide range of sizes available

Cons:
– Limited color options
– Potential for degradation in certain chemicals


China NBR O-ring Manufacturers, Suppliers - KODA

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. Excellent petroleum-based fuel and oils, water, wear resistance. Used to seal fluid liquid or gas.

Pros:
– Excellent resistance to petroleum-based fuels and oils
– Available in both standard and customized sizes

Cons:
– Avoid direct exposure to ozone and sunlight
– Limited information on specific applications

O-Ring Kits – China Manufacturer & Supplier – Savvy

Product Details: Savvy offers a variety of O-ring kits including NBR, FKM, and PTFE rubber kits, containing 382 or 386 o-rings in 30 sizes. The kits are designed for sealing and repairing mechanical equipment and include various sizes and materials to meet different needs.

Pros:
– Wide range of sizes and materials available
– Includes additional sealing elements and hardware tools

Cons:
– Higher price for FKM material kits
– Spliced o-rings may have larger tolerances


O-Ring Kits - China Manufacturer & Supplier - Savvy

NBR O-rings-Dongguan Lanhe Electronics

Product Details: NBR O-rings from Dongguan Lanhe Electronics

Pros:
– Durable material
– Resistant to oils and fuels

Cons:
– Limited temperature range
– Not suitable for all chemicals

China Higher Quality NBR O Ring Suppliers Factory – Good Price Higher …

Product Details: Higher Quality NBR O Ring, Material Type: NBR, Size: customized, Place of Origin: China, Product name: o ring seal, Size: OD 5.5 mm x TH 1.9 mm, Temperature: -30℃~+120℃, Hardness: 40-90A, Medium: mineral oil, combined oil, water, Application: Automobile parts, ship installations, petroleum equipment, telecommunication equipment, instruments, machinery.

Pros:
– Simple structure and easy manufacturing.
– Good sealing performance with minimal leakage.

Cons:
– Limited temperature range compared to some materials.
– Customization may be required for specific applications.

China NBR O-Rings Suppliers Factory – Wholesale NBR O-Rings with Good Price

Product Details: NBR O-Rings made from NBR material, customized size, produced in China, suitable for various applications including automotive and aerospace industries. Hardness ranges from 20-90 Shore, available in customer-required colors, packaged in bags or cartons, with a minimum order quantity of 1000PCS.

Pros:
– Excellent oil resistance.
– Good chemical resistance and processing performance.

Cons:
– Lower cold resistance with higher acrylonitrile content.
– Limited to specific temperature ranges for long-term use.

Related Video

Comparison Table

Company Product Details Pros Cons Website
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 – Excellent abrasion and heat resistance – Compatible with fuel, oil, and gasoline – Not suitable for polar solvents – Poor resistance to fire savvyrubber.com
Custom Rubber Seals & O-rings Manufacturer Haisun Rubber HAISUN manufactures precision O-rings such as NBR, HNBR, AMQ, FKMT, EDPM, ACM, and CR. They supply standard O-ring parts and O-ring kits to meet clien… – High precision with tolerance up to 0.01 mm for O-rings. – Wide range of materials and custom rubber parts available. – Limited information on specific applications for each type of O-ring. – Potentially higher costs due to precision manufacturing processes.
O-Rings, Rubber Seals – Best China Manufacturer & Supplier – Savvy Savvy manufactures high-quality rubber O-rings including NBR, FKM, VMQ, HNBR, and encapsulated O-rings, suitable for various sealing applications with… – Low manufacturing cost and convenient use. – Wide application and strong adaptability. – Difficult to achieve zero leakage in dynamic seals. – Improper use can lead to cutting, twisting, and breaking. savvyrubber.com
Quality Rubber O Rings & NBR O Rings factory from China Quality Rubber O Rings & NBR O Rings manufactured by Jiangsu Kunyuan Rubber & Plastic Technology Co., Ltd. The products are made with automatic inject… – High-quality materials with excellent durability – Wide range of products including various types of O rings and seals – Limited information on specific product performance metrics – Potential variability in availability based on demand m.rubberoringseal.com
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 – Wide range of sizes available – Limited color options – Potential for degradation in certain chemicals www.kodaseal.com
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, rubb… – Excellent resistance to petroleum-based fuels and oils – Available in both standard and customized sizes – Avoid direct exposure to ozone and sunlight – Limited information on specific applications www.sealsmart.cn
O-Ring Kits – China Manufacturer & Supplier – Savvy Savvy offers a variety of O-ring kits including NBR, FKM, and PTFE rubber kits, containing 382 or 386 o-rings in 30 sizes. The kits are designed for s… – Wide range of sizes and materials available – Includes additional sealing elements and hardware tools – Higher price for FKM material kits – Spliced o-rings may have larger tolerances savvyrubber.com
NBR O-rings-Dongguan Lanhe Electronics NBR O-rings from Dongguan Lanhe Electronics – Durable material – Resistant to oils and fuels – Limited temperature range – Not suitable for all chemicals www.lanhechina.com
China Higher Quality NBR O Ring Suppliers Factory – Good Price Higher … Higher Quality NBR O Ring, Material Type: NBR, Size: customized, Place of Origin: China, Product name: o ring seal, Size: OD 5.5 mm x TH 1.9 mm, Tempe… – Simple structure and easy manufacturing. – Good sealing performance with minimal leakage. – Limited temperature range compared to some materials. – Customization may be required for specific applications. www.hbmichu.com
China NBR O-Rings Suppliers Factory – Wholesale NBR O-Rings with Good Price NBR O-Rings made from NBR material, customized size, produced in China, suitable for various applications including automotive and aerospace industrie… – Excellent oil resistance. – Good chemical resistance and processing performance. – Lower cold resistance with higher acrylonitrile content. – Limited to specific temperature ranges for long-term use. www.hbmichu.com

Frequently Asked Questions (FAQs)

What is an NBR ring, and what is it used for?

NBR rings, made from nitrile butadiene rubber, are commonly used in various applications, including seals and gaskets. They are known for their excellent resistance to oil, fuel, and other chemicals, making them ideal for automotive, industrial, and aerospace uses.

Why are NBR ring factories located in China?

China has become a hub for NBR ring manufacturing due to its advanced production technology, skilled labor, and cost-effective materials. This allows factories to produce high-quality products at competitive prices, meeting global demand efficiently.

How do I choose a reliable NBR ring factory in China?

When selecting a factory, consider their experience, certifications, and customer reviews. It’s also helpful to request samples and visit the facility if possible. A reliable factory should be transparent about their production processes and quality control measures.

What quality standards should NBR rings meet?

NBR rings should comply with international quality standards such as ISO 9001. Look for certifications that indicate adherence to specific industry requirements, ensuring the rings are durable and reliable for your intended application.

Can I customize NBR rings for my specific needs?

Yes, many factories in China offer customization options for NBR rings. You can specify dimensions, hardness, and other properties to suit your particular application. Be sure to communicate your requirements clearly to ensure the best results.

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