Are you in the market for high-quality silicone o-rings but feeling overwhelmed by the options? With countless manufacturers in China, finding the right factory can be a daunting task. Understanding the top players in this industry is crucial, as it can significantly impact the quality and durability of your products. Imagine having access to the best options that not only meet your specifications but also enhance your overall project success. Ready to simplify your search? Join us as we explore the leading silicone o-ring manufacturers in China and help you make an informed decision!

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 and materials such as nitrile rubber, silicone, EPDM, and Fluorocarbon.

Technical Parameters:
– Standard and metric sizes
– Low minimum order quantities (MOQs)

Application Scenarios:
– Automotive industry
– Aerospace and medical equipment

Pros:
– Wide range of products
– Customization available

Cons:
– Limited information on specific product performance
– Potential variability in quality among manufacturers

Custom O-ring Manufacturer and Wholesale Supplier – Hongju

Product Details: Custom silicone rubber O-rings and high-temperature O-ring seals for engines, pumps, cylinders, connectors, valves, etc.

Technical Parameters:
– Hardness tolerance: plus or minus 3-5A
– Dimensions and tolerances follow ISO3601 standards

Application Scenarios:
– Sealing various products and parts requiring resistance to water, oil, and high…
– Static and dynamic applications in machinery

Pros:
– Inexpensive and effective sealing solution
– Wide selection of stock items and customization capabilities

Cons:
– Limited information on specific material properties
– Potential variability in manufacturing time based on quantity

Top 10 Silicone O-Ring Manufacturers and Suppliers in China(2024)

Product Details: Silicone O-Rings, Rubber O-Rings, Viton O-Rings, Food Grade O-Rings, Gasket and Seals, Custom O-Rings & Seals

Technical Parameters:
– High temperature resistance
– Chemical compatibility

Application Scenarios:
– Outdoor applications
– Static and dynamic applications

Pros:
– Excellent weathering properties
– Customization capabilities

Cons:
– Limited availability in some regions
– Potential higher costs for custom orders

Top 10 O-Ring Manufacturers and Suppliers in China (2024)

Product Details: O-rings are circular cross-section sealants used to prevent leakage of liquids or gases in various applications.

Technical Parameters:
– Common materials include NBR, FKM, Silicone, EPDM, and HNBR.
– Temperature range typically from -60°C to +260°C.

Application Scenarios:
– Used in automotive and aerospace industries.
– Suitable for both static and dynamic sealing applications.

Pros:
– Versatile and customizable for specific needs.
– Effective sealing capability for various applications.

Cons:
– Minimum order quantities may vary by manufacturer.
– Quality can depend on the manufacturer and materials used.

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

Product Details: O Rings, Gasket Rings, Sealing Rings, Custom Rubber Parts, Rubber Bellows, Rubber Waterproof Rings, PTFE Seals

Technical Parameters:
– Material: Nitrile, Silicone, PTFE
– Hardness: Various durometers available

Application Scenarios:
– Automotive sealing applications
– Industrial machinery

Pros:
– Cost-effective sealing solutions
– Wide range of products available

Cons:
– Limited information on specific product performance
– Potential variability in quality

China O-rings Manufacturers, Suppliers, Factory – MELON

Product Details: O-rings are rubber components used in various applications, including medical devices, automotive, and industrial machinery. They are available in different materials such as silicone, FKM, and EPDM.

Technical Parameters:
– Hardness: 70 ±5 Shore A
– Working Temperature: -65 Degrees to 300 Degrees F

Application Scenarios:
– Medical applications including drug delivery devices and pumps.
– Industrial applications such as valves and machinery.

Pros:
– High durability and resistance to various chemicals.
– Wide range of applications across different industries.

Cons:
– Potential for degradation over time depending on environmental conditions.
– Specific material selection required for different applications.

Custom Silicone O-ring Manufacturers in China – TOGOHK

Product Details: Silicone O-Rings

Technical Parameters:
– Temperature resistance: -60°C to 200°C
– Durometer hardness: 30 to 80 Shore A

Application Scenarios:
– Automotive seals
– Medical device components

Pros:
– Excellent chemical resistance
– High flexibility and durability

Cons:
– Not suitable for high-pressure applications
– Can degrade under UV exposure

China Silicone Oring Manufacturers and Suppliers, Factory | BD SEALS

Product Details: High-quality silicone O-rings designed and manufactured by Ningbo Bodi Seals Co., Ltd., known for exceptional resistance to extreme temperatures and harsh chemicals.

Technical Parameters:
– Premium-grade silicone materials
– Durable and leak-proof sealing performance

Application Scenarios:
– Automotive industry
– Medical equipment

Pros:
– Outstanding functionality and reliability
– Custom solutions available for various industries

Cons:
– Limited information on specific sizes and dimensions
– Potentially higher cost compared to standard O-rings

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

Custom Silicone Rubber O-ring Manufacturer in China – Hongju

Product Details: Customized Silicone Rubber O-Rings for various manufacturing needs.

Technical Parameters:
– CE and FDA approved materials
– Rapid prototyping available within 5-7 business days

Application Scenarios:
– Used in pumps and compressors
– Applicable in hydraulic systems to prevent leaks

Pros:
– High-quality, durable, and long-lasting products
– Eco-friendly materials and processes

Cons:
– Limited information on specific sizes and shapes
– Potentially longer lead times for large orders

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Comparison Table

Company	Product Details	Pros	Cons	Website
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 and materials…	– Wide range of products – Customization available	– Limited information on specific product performance – Potential variability in quality among manufacturers	hongjusilicone.com
Custom O-ring Manufacturer and Wholesale Supplier – Hongju	Custom silicone rubber O-rings and high-temperature O-ring seals for engines, pumps, cylinders, connectors, valves, etc.	– Inexpensive and effective sealing solution – Wide selection of stock items and customization capabilities	– Limited information on specific material properties – Potential variability in manufacturing time based on quantity	hongjusilicone.com
Top 10 Silicone O-Ring Manufacturers and Suppliers in China(2024)	Silicone O-Rings, Rubber O-Rings, Viton O-Rings, Food Grade O-Rings, Gasket and Seals, Custom O-Rings & Seals	– Excellent weathering properties – Customization capabilities	– Limited availability in some regions – Potential higher costs for custom orders	hongjusilicone.com
Top 10 O-Ring Manufacturers and Suppliers in China (2024)	O-rings are circular cross-section sealants used to prevent leakage of liquids or gases in various applications.	– Versatile and customizable for specific needs. – Effective sealing capability for various applications.	– Minimum order quantities may vary by manufacturer. – Quality can depend on the manufacturer and materials used.	www.rubber-tools.com
O Rings, Gasket Rings, Sealing Ring Suppliers, Manufacturers, Factory …	O Rings, Gasket Rings, Sealing Rings, Custom Rubber Parts, Rubber Bellows, Rubber Waterproof Rings, PTFE Seals	– Cost-effective sealing solutions – Wide range of products available	– Limited information on specific product performance – Potential variability in quality	www.yuefeng-seal.com
China O-rings Manufacturers, Suppliers, Factory – MELON	O-rings are rubber components used in various applications, including medical devices, automotive, and industrial machinery. They are available in dif…	– High durability and resistance to various chemicals. – Wide range of applications across different industries.	– Potential for degradation over time depending on environmental conditions. – Specific material selection required for different applications.	www.siliconemelon.com
Custom Silicone O-ring Manufacturers in China – TOGOHK	Silicone O-Rings	– Excellent chemical resistance – High flexibility and durability	– Not suitable for high-pressure applications – Can degrade under UV exposure	www.togohk.com
China Silicone Oring Manufacturers and Suppliers, Factory	BD SEALS	High-quality silicone O-rings designed and manufactured by Ningbo Bodi Seals Co., Ltd., known for exceptional resistance to extreme temperatures and h…	– Outstanding functionality and reliability – Custom solutions available for various industries	– Limited information on specific sizes and dimensions – Potentially higher cost compared to standard O-rings
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
Custom Silicone Rubber O-ring Manufacturer in China – Hongju	Customized Silicone Rubber O-Rings for various manufacturing needs.	– High-quality, durable, and long-lasting products – Eco-friendly materials and processes	– Limited information on specific sizes and shapes – Potentially longer lead times for large orders	hongjusilicone.com

Frequently Asked Questions (FAQs)

What are silicone o-rings used for?

Silicone o-rings are versatile sealing solutions used in various applications, including automotive, aerospace, plumbing, and food processing. They provide excellent resistance to temperature extremes, chemicals, and moisture, making them ideal for creating airtight and watertight seals.

How do I choose the right silicone o-ring manufacturer in China?

When selecting a manufacturer, consider their experience, production capacity, quality control processes, and customer reviews. It’s also helpful to request samples to assess the quality of their products before making a larger commitment.

What is the typical lead time for silicone o-ring production?

Lead times can vary based on the manufacturer and order size, but generally, you can expect production to take anywhere from 2 to 6 weeks. Always confirm with the manufacturer for specific timelines based on your order.

Are silicone o-rings customizable?

Yes, many manufacturers in China offer customization options for silicone o-rings. You can specify dimensions, colors, and even specific material properties to meet your unique requirements. Just communicate your needs clearly to the manufacturer.

What quality standards should silicone o-rings meet?

Silicone o-rings should comply with relevant industry standards, such as ISO 9001 for quality management and FDA regulations for food-grade applications. Always ask your manufacturer about their certifications to ensure product safety and reliability.