Are you in the market for high-quality silicone O-rings but feeling overwhelmed by the options? Choosing the right supplier can make all the difference in your project’s success. With countless factories in China, comparing the top silicone O-ring suppliers is essential to ensure you get the best quality and value. Imagine the peace of mind that comes with knowing you’ve selected a reliable partner for your needs. Ready to discover the leading factories that can elevate your production? Let’s dive in and explore the top contenders together!

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: ±3-5A
– Dimensions and tolerances follow ISO3601 standards

Application Scenarios:
– Static applications
– Dynamic applications

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 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, nitrile rubber, and Viton

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

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

Silicone O-Ring – Yoson Seals

Product Details: Silicone O-Ring – Yoson Seals

Technical Parameters:
– Standard hardness: 70 durometers, Shore A
– Temperature range: -60°C to 232°C and -75° to 450°F

Application Scenarios:
– Used in automotive, electronic home appliances, and food & drug industries
– Applications in medical devices, waterproof camera housing, and various industri…

Pros:
– Excellent sealing performance, waterproof and no leakage
– Good resistance to weather, saltwater, ozone, and various chemicals

Cons:
– Not recommended for use in most thick shrinkage of solvents and oils
– Limited performance in extreme acidic and alkaline environments

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 and insulating properties
– Customization capabilities

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

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

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.

Custom Silicone O-ring Manufacturers in China – TOGOHK

Product Details: Custom Silicone O-rings manufactured by TOGOHK, suitable for various industries including food and medical.

Technical Parameters:
– Temperature range: -30°C to 200°C
– Standard sizes from 1mm to 500mm

Application Scenarios:
– Used in sealing systems for food processing
– Applicable in medical devices and automotive industries

Pros:
– Excellent low and high-temperature resistance
– FDA-compliant and non-toxic materials

Cons:
– Limited to specific geometric shapes
– Potential for higher costs in custom designs

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

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:
– 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 to specific applications
– Potential for wear over time

Custom Silicone Rubber O-ring Manufacturer in China – Hongju

Product Details: Customized Silicone Rubber O-Rings for various manufacturing needs, available in multiple materials including silicone, NBR, Viton, EPDM, polyurethane, and neoprene.

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 technical specifications
– Potential variability in production times based on order size

Related Video

Comparison Table

Company	Product Details	Pros	Cons	Website
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 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
Silicone O-Ring – Yoson Seals	Silicone O-Ring – Yoson Seals	– Excellent sealing performance, waterproof and no leakage – Good resistance to weather, saltwater, ozone, and various chemicals	– Not recommended for use in most thick shrinkage of solvents and oils – Limited performance in extreme acidic and alkaline environments	www.yosonseals.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 and insulating properties – Customization capabilities	– Limited availability in some regions – Potential higher costs for custom orders	hongjusilicone.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
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
Custom Silicone O-ring Manufacturers in China – TOGOHK	Custom Silicone O-rings manufactured by TOGOHK, suitable for various industries including food and medical.	– Excellent low and high-temperature resistance – FDA-compliant and non-toxic materials	– Limited to specific geometric shapes – Potential for higher costs in custom designs	www.togohk.com
O-Rings, Rubber Seals – Best China Manufacturer & Supplier – Savvy				savvyrubber.com
O Rings, Gasket Rings, Sealing Ring Suppliers, Manufacturers, Factory …	O-rings, gaskets, waterproof rings, cushions, custom-made miscellaneous pieces, and other rubber products.	– Cost-effective sealing solutions – Wide range of products available	– Limited to specific applications – Potential for wear over time	www.yuefeng-seal.com
Custom Silicone Rubber O-ring Manufacturer in China – Hongju	Customized Silicone Rubber O-Rings for various manufacturing needs, available in multiple materials including silicone, NBR, Viton, EPDM, polyurethane…	– High-quality, durable, and long-lasting products – Eco-friendly materials and processes	– Limited information on specific technical specifications – Potential variability in production times based on order size	hongjusilicone.com

Frequently Asked Questions (FAQs)

What are silicone O rings, and why are they used?

Silicone O rings are circular seals made from silicone rubber, known for their flexibility and resistance to extreme temperatures and chemicals. They are commonly used in various applications, including automotive, plumbing, and electronics, to prevent leaks and ensure a tight seal.

How do I choose the right silicone O ring supplier in China?

When selecting a supplier, consider their experience, product quality, certifications, and customer reviews. It’s also helpful to request samples and compare pricing. Establishing clear communication about your needs will ensure you find a reliable partner.

What is the typical lead time for silicone O rings from Chinese suppliers?

Lead times can vary based on the supplier and order size, but generally, you can expect 2 to 4 weeks for production and shipping. Always confirm the timeline with your supplier to avoid delays.

Are silicone O rings customizable?

Yes, many suppliers in China offer customization options for silicone O rings, including size, color, and hardness. Be sure to discuss your specific requirements with the supplier to ensure they can meet your needs.

What quality standards should I look for in silicone O rings?

Look for suppliers that adhere to international quality standards, such as ISO 9001. Additionally, check if they provide certifications for their materials, ensuring they meet safety and performance requirements for your application.