Are you looking for the best custom O-ring factories in China? With so many options available, it can be overwhelming to choose the right one for your needs. In this article, we’ll explore the top factories, highlighting their strengths and what sets them apart, making your decision easier.
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 also supply standard O-ring parts and O-ring kits to meet clients’ needs. The factory is IATF16949 certified, with ISO Class-100,000 clean rooms assembly and relubrication services.
Pros:
– High precision with O-ring dimension accuracy tolerance up to 0.01mm.
– 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 O-ring Manufacturer and Wholesale Supplier – Hongju
Product Details: Custom O-rings and high-temperature O-ring seals made from certified silicone rubber, suitable for various applications including engines, pumps, and valves. Available in standard sizes and custom-made options.
Pros:
– High-quality materials used for durability and effectiveness.
– Wide selection of stock items at wholesale prices.
Cons:
– Limited information on specific material options.
– Potentially longer shipping times depending on location.
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:
– Wide range of materials and sizes available
– Good oil resistance and low cost for NBR
– High-temperature and chemical resistance for FKM
– FDA food grade options for VMQ
Cons:
– Dynamic seals may not achieve zero leakage
– Improper use can lead to cutting or twisting
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 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 (Viton).
Pros:
– Wide range of applications in various industries
– Customizable products available
– Low minimum order quantities (MOQs) offered by some manufacturers
– High-quality materials used to prevent leakage
Cons:
– Potential variability in quality among different manufacturers
– Limited information on specific product performance metrics
High-quality O-rings By Haisun | Custom & Standard Parts
Product Details: High-quality O-rings available in various materials including NBR, HNBR, VMQ, FKM, EPDM, ACM, and CR.
Pros:
– Heat resistance
– Oil resistance
– Water resistance
– Ozone resistance
– Good wear resistance
Cons:
– Poor cold resistance
– Poor ozone resistance
– High price for some materials
– Poor processing performance for some materials
Custom O Ring Manufacturing in China with Quick Tooling Development and …
Product Details: Custom O Rings, X Rings (Quad Rings), and Y Rings manufactured in China with various materials including FKM, HNBR, Silicone, Teflon, FVMQ, EPDM, FFKM, Neoprene, PPS, and PEEK. Suitable for static and dynamic sealing applications.
Pros:
– Better sealing performance due to multiple sealing surfaces
– Lower friction and less wear compared to O Rings
– Wide range of materials available for different applications
Cons:
– Potentially higher cost for specialized materials
– May require specific design considerations for optimal performance
Custom Rubber Seals & O-Rings Manufacturer | HAISUN Rubber
Product Details: Custom Rubber Seals & O-Rings manufactured by HAISUN Rubber, suitable for communication equipment. Materials certified by REACH and ROHS, with waterproof grade IP68 and dimensional accuracy tolerance controlled within ± 0.02mm.
Pros:
– Oil resistant, acid and alkali resistant, water resistant
– Used for more than 10 years
Cons:
– Limited information on specific material types
– No detailed pricing information available
Custom Rubber Seals & O-Rings Manufacturer | HAISUN Rubber
Product Details: Custom rubber seals and O-rings manufactured to meet food grade FDA standards, with materials including HNBR, FPM, EPDM, and MVQ.
Pros:
– Good sealing performance with a compression deformation range of 5% – 30%
– High temperature resistance, with a temperature range of -60 ℃ to 300 ℃
– Aging resistant with a service life of 5-10 years
Cons:
– Limited information on specific applications
– Potential variability in performance based on material choice
Custom Rubber Seals & O-Rings Manufacturer | HAISUN Rubber
Product Details: Oil seal: TC type, suitable for high pressure conditions, working temperature -40 ℃~120 ℃, made from materials like NBR, EPDM, FKM, HNBR, SILICONE, SBR, ACM. Available in various sizes and can be produced based on detailed drawings.
Pros:
– High pressure resistance
– Wide range of material options
Cons:
– Limited temperature range
– Specific size requirements may complicate ordering
Custom Rubber Seals & O-Rings Manufacturer | HAISUN Rubber
Product Details: FKM o-ring: Material standards include Reach, RoHS, FDA, PAHS, HF. Tolerance: ±0.02mm. High temperature resistance up to 300 degrees, acid and alkali resistance, and oil resistance. Smooth surface.
Pros:
– High temperature resistance up to 300 degrees
– Acid and alkali resistance
Cons:
– Poor processing performance
– Poor cold resistance
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Comparison Table
| Company | Product Details | Pros | Cons | Website |
|---|---|---|---|---|
| Custom Rubber Seals & O-rings Manufacturer | Haisun Rubber | HAISUN manufactures precision O-rings such as NBR, HNBR, AMQ, FKMT, EDPM, ACM, and CR. They also supply standard O-ring parts and O-ring kits to meet… | – High precision with O-ring dimension accuracy tolerance up to 0.01mm. – 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. |
| Custom O-ring Manufacturer and Wholesale Supplier – Hongju | Custom O-rings and high-temperature O-ring seals made from certified silicone rubber, suitable for various applications including engines, pumps, and… | – High-quality materials used for durability and effectiveness. – Wide selection of stock items at wholesale prices. | – Limited information on specific material options. – Potentially longer shipping times depending on location. | hongjusilicone.com |
| 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… | – Wide range of materials and sizes available – Good oil resistance and low cost for NBR – High-temperature and chemical resistance for FKM – FDA food… | – Dynamic seals may not achieve zero leakage – Improper use can lead to cutting or twisting | savvyrubber.com |
| Top 10 O-ring Manufacturers and Suppliers in China (2024) | 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 applications in various industries – Customizable products available – Low minimum order quantities (MOQs) offered by some manufacture… | – Potential variability in quality among different manufacturers – Limited information on specific product performance metrics | hongjusilicone.com |
| High-quality O-rings By Haisun | Custom & Standard Parts | High-quality O-rings available in various materials including NBR, HNBR, VMQ, FKM, EPDM, ACM, and CR. | – Heat resistance – Oil resistance – Water resistance – Ozone resistance – Good wear resistance | – Poor cold resistance – Poor ozone resistance – High price for some materials – Poor processing performance for some materials |
| Custom O Ring Manufacturing in China with Quick Tooling Development and … | Custom O Rings, X Rings (Quad Rings), and Y Rings manufactured in China with various materials including FKM, HNBR, Silicone, Teflon, FVMQ, EPDM, FFKM… | – Better sealing performance due to multiple sealing surfaces – Lower friction and less wear compared to O Rings – Wide range of materials available f… | – Potentially higher cost for specialized materials – May require specific design considerations for optimal performance | rubberproducer.com |
| Custom Rubber Seals & O-Rings Manufacturer | HAISUN Rubber | Custom Rubber Seals & O-Rings manufactured by HAISUN Rubber, suitable for communication equipment. Materials certified by REACH and ROHS, with waterpr… | – Oil resistant, acid and alkali resistant, water resistant – Used for more than 10 years | – Limited information on specific material types – No detailed pricing information available |
| Custom Rubber Seals & O-Rings Manufacturer | HAISUN Rubber | Custom rubber seals and O-rings manufactured to meet food grade FDA standards, with materials including HNBR, FPM, EPDM, and MVQ. | – Good sealing performance with a compression deformation range of 5% – 30% – High temperature resistance, with a temperature range of -60 ℃ to 300 ℃… | – Limited information on specific applications – Potential variability in performance based on material choice |
| Custom Rubber Seals & O-Rings Manufacturer | HAISUN Rubber | Oil seal: TC type, suitable for high pressure conditions, working temperature -40 ℃~120 ℃, made from materials like NBR, EPDM, FKM, HNBR, SILICONE, SB… | – High pressure resistance – Wide range of material options | – Limited temperature range – Specific size requirements may complicate ordering |
| Custom Rubber Seals & O-Rings Manufacturer | HAISUN Rubber | FKM o-ring: Material standards include Reach, RoHS, FDA, PAHS, HF. Tolerance: ±0.02mm. High temperature resistance up to 300 degrees, acid and alkali… | – High temperature resistance up to 300 degrees – Acid and alkali resistance | – Poor processing performance – Poor cold resistance |
Frequently Asked Questions (FAQs)
What are custom O-ring factories in China?
Custom O-ring factories in China specialize in manufacturing O-rings tailored to specific requirements. They use various materials and sizes to meet the needs of different industries, ensuring high-quality products that fit your applications perfectly.
How do I choose the right custom O-ring factory?
When selecting a custom O-ring factory, consider their experience, production capabilities, quality control processes, and customer reviews. It’s also helpful to communicate your specific needs and request samples to assess their quality before making a decision.
What materials are commonly used for O-rings?
O-rings can be made from various materials, including rubber, silicone, and fluorocarbon. The choice of material depends on factors like temperature resistance, chemical compatibility, and application requirements, so it’s essential to discuss your needs with the factory.
What is the typical lead time for custom O-ring orders?
Lead times for custom O-ring orders can vary based on complexity and quantity. Generally, you can expect a timeframe of 2 to 4 weeks, but it’s best to confirm with the factory for a more accurate estimate based on your specific order.
Can I get prototypes before placing a large order?
Yes, many custom O-ring factories offer prototype services. This allows you to test the design and material before committing to a larger order, ensuring that the final product meets your expectations and requirements.