Are you in the market for high-quality silicone O-rings but unsure where to start? With countless manufacturers in China, finding the right factory can feel overwhelming. Understanding the top players in this industry is crucial, as it can significantly impact your product’s performance and durability. By comparing these leading factories, you can ensure you’re making informed decisions that lead to superior quality and cost-effectiveness. Ready to discover the best silicone O-ring manufacturers? Dive into our comprehensive comparison and empower your sourcing strategy today!
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
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 (2025)
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:
– Used in automotive, aerospace, and industrial applications
– Suitable for both static and dynamic sealing conditions
Pros:
– Wide range of products and materials available
– Customization options for specific applications
Cons:
– Minimum order quantities may apply for some manufacturers
– Quality may vary between different manufacturers
Top 10 O-Ring Manufacturers and Suppliers in China (2024)
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:
– Sealing systems in food processing
– Medical device manufacturing
Pros:
– Excellent low and high-temperature resistance
– FDA-compliant and suitable for food contact
Cons:
– Limited to specific geometric shapes
– Potential for higher costs in custom designs
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:
– Material: Silicone, FKM, EPDM, NBR
– Hardness: 70 ±5 Shore A
Application Scenarios:
– Medical applications such as drug delivery devices and pumps
– Industrial applications including valves and machinery
Pros:
– High durability and resistance to various chemicals
– Wide range of sizes and materials available
Cons:
– May require specific installation techniques
– Potential for degradation over time in harsh environments
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, harsh chemicals, and various environmental conditions.
Technical Parameters:
– Premium-grade silicone materials
– Custom solutions for various industries
Application Scenarios:
– Automotive industry
– Medical applications
Pros:
– Superior sealing performance
– Leak-proof and long-lasting applications
Cons:
– May not be suitable for all chemical environments
– Temperature limitations depending on specific silicone grade
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 hardness levels
– Custom sizes available
Application Scenarios:
– Automotive sealing applications
– Industrial machinery
Pros:
– Stable and reliable sealing solutions
– Cost-effective options
Cons:
– Limited to rubber materials
– Potential degradation over time in harsh environments
China Silicone O-ring Manufacturers, Suppliers – Silicone O-ring Price …
Product Details: Silicone O-rings manufactured from Dow Corning and Wacker materials, suitable for various applications.
Technical Parameters:
– Working temperature: -60°C to 230°C
– Hardness: Shore A
Application Scenarios:
– Sealing applications in various industries
– High temperature and chemical resistance environments
Pros:
– Excellent temperature resistance
– Good chemical resistance
Cons:
– Limited to specific temperature ranges
– Potential for degradation in extreme conditions
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 material properties
– Potential lead times for custom orders
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Comparison Table
| Company | Product Details | Pros | Cons | Website |
|---|---|---|---|---|
| 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 |
| 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 (2025) | 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 materials available – Customization options for specific applications | – Minimum order quantities may apply for some manufacturers – Quality may vary between different manufacturers | hongjusilicone.com |
| Top 10 O-Ring Manufacturers and Suppliers in China (2024) | 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 suitable for food contact | – Limited to specific geometric shapes – Potential for higher costs in custom designs | www.togohk.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 sizes and materials available | – May require specific installation techniques – Potential for degradation over time in harsh environments | www.siliconemelon.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, hars… | – Superior sealing performance – Leak-proof and long-lasting applications | – May not be suitable for all chemical environments – Temperature limitations depending on specific silicone grade |
| 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 | – Limited to rubber materials – Potential degradation over time in harsh environments | www.yuefeng-seal.com |
| China Silicone O-ring Manufacturers, Suppliers – Silicone O-ring Price … | Silicone O-rings manufactured from Dow Corning and Wacker materials, suitable for various applications. | – Excellent temperature resistance – Good chemical resistance | – Limited to specific temperature ranges – Potential for degradation in extreme conditions | www.kodaseal.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 material properties – Potential lead times for custom orders | hongjusilicone.com |
Frequently Asked Questions (FAQs)
1. What should I look for in a silicone O-ring manufacturer in China?
When choosing a silicone O-ring manufacturer, consider their experience, production capacity, quality control processes, and certifications. It’s also important to check customer reviews and their ability to meet your specific requirements, such as custom sizes or materials.
2. How can I ensure the quality of silicone O-rings from a Chinese factory?
To ensure quality, request samples before placing a large order. Verify the manufacturer’s quality control measures and certifications, such as ISO standards. Regular communication and inspections during production can also help maintain quality.
3. What are the typical lead times for silicone O-ring production in China?
Lead times can vary based on the manufacturer and order size, but typically range from 2 to 6 weeks. Custom orders may take longer, so it’s best to discuss timelines upfront and factor in shipping times for your planning.
4. Can I get custom silicone O-rings made in China?
Yes, many manufacturers in China offer custom silicone O-rings. You can specify dimensions, colors, and material properties. Be sure to provide detailed specifications to ensure the final product meets your needs.
5. What are the shipping options for silicone O-rings from China?
Shipping options include air freight, sea freight, and express courier services. The choice depends on your budget and urgency. Sea freight is cost-effective for large orders, while air freight is faster but more expensive. Always discuss shipping with your manufacturer.
