Are you tired of sifting through countless options for O-ring gasket makers in China? With so many factories claiming to be the best, how do you know which one truly stands out? Understanding the top manufacturers is crucial for ensuring quality and reliability in your projects. By comparing these factories, you can save time and money while securing the best products for your needs. Ready to discover the leading O-ring gasket makers that can elevate your business? Keep reading to find out which factories deserve your attention and trust!

Custom O-ring Manufacturer and Wholesale Supplier – Hongju

Product Details: Custom O-rings and high-temperature O-ring seals manufactured by Hongju, suitable for engines, pumps, cylinders, connectors, valves, etc.

Technical Parameters:
– Material: Silicone rubber
– Hardness tolerance: ±3-5A, following ISO3601 standards

Application Scenarios:
– Static and dynamic sealing applications
– Used in various products requiring resistance to water, oil, and high temperatur…

Pros:
– High-quality materials and precision molds
– Fast tooling and manufacturing times

Cons:
– Limited information on specific material types
– Potential variability in shipping times based on location

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, and supplies standard O-ring parts and O-ring kits.

Technical Parameters:
– O-ring dimension accuracy tolerance up to 0.01mm
– Rubber seals accuracy tolerance up to 0.02mm

Application Scenarios:
– Smartphones
– Automotive parts

Pros:
– High precision and quality control
– Wide range of materials and applications

Cons:
– Limited information on specific product limitations
– Potentially higher cost for custom solutions

Top 10 O-ring Manufacturers and Suppliers in China 2023 – Hongju

Product Details: O-rings are circular cross-section sealants used to prevent leakage of liquids and gases. They are manufactured using various techniques such as injection, extrusion, and compression molding, with materials like nitrile rubber, silicone, EPDM rubber, and Fluorocarbon.

Technical Parameters:
– Available in standard and metric sizes
– Customizable materials including silicone, EPDM, NBR, and Viton

Application Scenarios:
– Automotive industry for power steering gears
– Aerospace and medical equipment

Pros:
– Wide range of products and customization options
– Good customer service and fast delivery

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

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

Product Details: High-Quality Rubber O-Rings manufactured by Savvy, available in various materials including NBR, FKM, and Silicone.

Technical Parameters:
– Temperature Range: -70°C to 220°C
– Standard Hardness: Shore A 60 to 90

Application Scenarios:
– Used in hydraulic and pneumatic transmission systems
– Suitable for sealing various fluids such as air, water, and oil

Pros:
– Low manufacturing cost and convenient use
– Self-sealing effect with no need for periodic adjustment

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

Professional Manufacturer of Sealing Solutions – YOSON

Product Details: Yoson Seals offers a wide variety of industrial seals including FFKM O rings, spring energized seals, and oil and gas seals, designed for various applications and environments.

Technical Parameters:
– High chemical resistance
– Temperature resistance up to extreme conditions

Application Scenarios:
– Oil and gas industry
– Food and pharmaceutical industry

Pros:
– Custom design available for specific requirements
– Wide range of materials to suit different applications

Cons:
– Lead time for mass production can vary
– Customization may require additional time for design approval

Rubber O Ring Manufacturers – Ningbo Kaxite Sealing Materials Co., Ltd.

Product Details: Rubber O Ring is a sealing product made from various materials including silicone, nitrile, and fluorocarbon rubber, designed for a wide range of applications.

Technical Parameters:
– Temperature range: -40°C to +200°C
– Material options: Silicone, Nitrile, Viton, HNBR

Application Scenarios:
– Precision sealing applications
– Industrial machinery and automotive applications

Pros:
– Excellent flexibility and compressibility
– High resistance to oils and chemicals

Cons:
– Limited low-temperature resistance for some materials
– Potential degradation in extreme environmental conditions

Gasket vs. O-Ring: Differences and Common Applications

Product Details: Gaskets are flat pieces of material used to seal between two flat surfaces, while O-rings are round, ring-shaped pieces that create a seal in a groove.

Technical Parameters:
– Gaskets can be made from flexible materials, rigid polymers, and metals.
– O-rings can be customized in thickness.

Application Scenarios:
– Gaskets are used in electrical motors, power generators, and the aerospace indus…
– O-rings are used in hydraulic seals, pipe joints, and HVAC systems.

Pros:
– Gaskets can be customized to various shapes.
– O-rings perform better in applications with extreme pressure.

Cons:
– Gaskets may not perform well in extreme pressure situations.
– O-rings are difficult to use in non-circular joints.

Gaskets Manufacturers – Ningbo Kaxite Sealing Materials Co., Ltd.

Product Details: Spiral Wound Gasket is the most common metallic gasket used in industrial plants, designed to withstand high temperatures and pressures, preventing leaks throughout their intended lifespan.

Technical Parameters:
– Outer ring made of carbon steel for centering the gasket.
– Sealing element encompasses windings and filler material, typically flexible gra…

Application Scenarios:
– Used in oil and gas refineries.
– Applicable in industrial plants requiring high-temperature and pressure sealing.

Pros:
– Excellent sealing characteristics.
– High resilience under fluctuated pressure and temperature.

Cons:
– Not suitable for high-temperature applications if using PTFE filler.
– Potential for gasket buckling if not properly installed.

Quality FKM O Rings & NBR O Ring factory from China

Product Details: Quality FKM O Rings & NBR O Ring factory from Dongguan Ruichen Sealing Co., Ltd.

Technical Parameters:
– Material: NBR / Nitrile Rubber
– Hardness: 70±5 Shore

Application Scenarios:
– Used in hydraulic and pneumatic systems to prevent leaks
– Sealing solutions in automotive, aerospace, oil and gas, and medical industries

Pros:
– Versatile sealing solutions with a wide range of materials
– Ease of installation and replacement

Cons:
– Requires regular inspection for wear and damage
– Performance may vary based on material choice

China O-Rings, X-Rings, Back Up Rings Suppliers and Manufacturers …

Product Details: O-rings, X-rings, Back Up Rings, NBR O-Rings, Encapsulated O-Rings, Custom Rubber Parts, O Ring Kits

Technical Parameters:
– Material: NBR, EPDM, Silicone, FKM
– Sizes: Standard and Metric

Application Scenarios:
– Automotive industry
– Medical equipment

Pros:
– Wide range of applications
– High-quality materials

Cons:
– Limited customization options
– Potential for material degradation over time

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Comparison Table

Company	Product Details	Pros	Cons	Website
Custom O-ring Manufacturer and Wholesale Supplier – Hongju	Custom O-rings and high-temperature O-ring seals manufactured by Hongju, suitable for engines, pumps, cylinders, connectors, valves, etc.	– High-quality materials and precision molds – Fast tooling and manufacturing times	– Limited information on specific material types – Potential variability in shipping times based on location	hongjusilicone.com
Custom Rubber Seals & O-rings Manufacturer	Haisun Rubber	HAISUN manufactures precision O-rings such as NBR, HNBR, AMQ, FKMT, EDPM, ACM, and CR, and supplies standard O-ring parts and O-ring kits.	– High precision and quality control – Wide range of materials and applications	– Limited information on specific product limitations – Potentially higher cost for custom solutions
Top 10 O-ring Manufacturers and Suppliers in China 2023 – Hongju	O-rings are circular cross-section sealants used to prevent leakage of liquids and gases. They are manufactured using various techniques such as injec…	– Wide range of products and customization options – Good customer service and fast delivery	– Minimum order quantities may apply for some manufacturers – Quality may vary between different manufacturers	hongjusilicone.com
O-Rings, Rubber Seals – Best China Manufacturer & Supplier – Savvy	High-Quality Rubber O-Rings manufactured by Savvy, available in various materials including NBR, FKM, and Silicone.	– Low manufacturing cost and convenient use – Self-sealing effect with no need for periodic adjustment	– Difficult to achieve zero leakage in dynamic seals – Improper use can lead to cutting, twisting, and breaking	savvyrubber.com
Professional Manufacturer of Sealing Solutions – YOSON	Yoson Seals offers a wide variety of industrial seals including FFKM O rings, spring energized seals, and oil and gas seals, designed for various appl…	– Custom design available for specific requirements – Wide range of materials to suit different applications	– Lead time for mass production can vary – Customization may require additional time for design approval	www.yosonseals.com
Rubber O Ring Manufacturers – Ningbo Kaxite Sealing Materials Co., Ltd.	Rubber O Ring is a sealing product made from various materials including silicone, nitrile, and fluorocarbon rubber, designed for a wide range of appl…	– Excellent flexibility and compressibility – High resistance to oils and chemicals	– Limited low-temperature resistance for some materials – Potential degradation in extreme environmental conditions	www.seal-china.com
Gasket vs. O-Ring: Differences and Common Applications	Gaskets are flat pieces of material used to seal between two flat surfaces, while O-rings are round, ring-shaped pieces that create a seal in a groove…	– Gaskets can be customized to various shapes. – O-rings perform better in applications with extreme pressure.	– Gaskets may not perform well in extreme pressure situations. – O-rings are difficult to use in non-circular joints.	www.mercergasket.com
Gaskets Manufacturers – Ningbo Kaxite Sealing Materials Co., Ltd.	Spiral Wound Gasket is the most common metallic gasket used in industrial plants, designed to withstand high temperatures and pressures, preventing le…	– Excellent sealing characteristics. – High resilience under fluctuated pressure and temperature.	– Not suitable for high-temperature applications if using PTFE filler. – Potential for gasket buckling if not properly installed.	www.seal-china.com
Quality FKM O Rings & NBR O Ring factory from China	Quality FKM O Rings & NBR O Ring factory from Dongguan Ruichen Sealing Co., Ltd.	– Versatile sealing solutions with a wide range of materials – Ease of installation and replacement	– Requires regular inspection for wear and damage – Performance may vary based on material choice	o-ringsseals.com
China O-Rings, X-Rings, Back Up Rings Suppliers and Manufacturers …	O-rings, X-rings, Back Up Rings, NBR O-Rings, Encapsulated O-Rings, Custom Rubber Parts, O Ring Kits	– Wide range of applications – High-quality materials	– Limited customization options – Potential for material degradation over time	www.sealsmanufacturer.com

Frequently Asked Questions (FAQs)

What are O-ring gasket makers, and how are they used?

O-ring gasket makers are specialized manufacturers that produce O-rings, which are circular seals used to prevent leaks in various applications. You’ll find them in automotive, aerospace, and industrial machinery. These gaskets are essential for ensuring a tight seal between two surfaces, helping to maintain pressure and prevent fluid leakage.

Why choose a factory in China for O-ring gaskets?

Choosing a factory in China can offer you competitive pricing, high production capacity, and access to advanced manufacturing technologies. Many Chinese factories specialize in O-ring production, ensuring you receive quality products at lower costs, which can significantly benefit your business.

What materials are commonly used for O-ring gaskets?

O-ring gaskets can be made from various materials, including rubber, silicone, and fluorocarbon. Each material has unique properties, such as temperature resistance and chemical compatibility. You should choose the right material based on your specific application requirements to ensure optimal performance.

How can I ensure quality when sourcing O-ring gaskets from China?

To ensure quality, you can request samples before placing a large order, check for certifications like ISO, and read reviews from other customers. Establishing clear communication with the factory about your specifications and quality standards is also crucial for a successful partnership.

What is the typical lead time for O-ring gasket production in China?

The lead time for O-ring gasket production in China can vary based on order size and complexity, but it generally ranges from 2 to 6 weeks. You should discuss timelines with the factory to ensure they meet your project deadlines and plan accordingly for shipping and customs clearance.