Are you in the market for high-quality custom rubber O-rings but feeling overwhelmed by the options? You’re not alone! With countless factories in China, finding the right partner can be a daunting task. Understanding the top manufacturers is crucial, as it can significantly impact your product’s performance and longevity. Imagine having access to the best options that ensure durability and cost-effectiveness for your projects. Ready to simplify your search and make informed decisions? Dive into our comprehensive comparison of the leading custom rubber O-ring factories in China and discover the perfect fit for your needs!

Custom Rubber Seals & O-rings Manufacturer | Haisun Rubber

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
– Sealing applications for 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:
– Starting friction resistance can be large in compression sealing
– Difficult to achieve zero leakage in dynamic seals

Custom Rubber Seals & O-Rings Manufacturer | HAISUN Rubber

Product Details: High-precision O-rings manufactured by Cixi Haisheng Rubber Products Co., Ltd. (HAISUN) for various industries.

Technical Parameters:
– Registered capital: 15 million
– O-ring tolerance: ±0.01 mm

Application Scenarios:
– Smartphones
– Automotive parts

Pros:
– High production capacity of 50 million O-rings per day
– Customized products according to specific standards

Cons:
– Limited information on specific material properties
– Potential dependency on specific industries

Custom O-Rings, Custom Molded O-Ring China Manufacturer – Savvy Rubber

Product Details: Custom O-Rings are specialized rubber seals designed to meet specific requirements when standard sizes are not available. They can be produced in various cross-sections and shapes.

Technical Parameters:
– Materials: NBR, HNBR, FKM/Viton, Silicone, EPDM, PTFE, FFKM
– Hardness: Shore A 60-90, Color: Black, Brown, Red, Transparent

Application Scenarios:
– Hydraulics & Pneumatic
– Oil and Gas
– Semiconductor Processing
– Aerospace
– Food Processing
– Water Filtration
– Electronic Products
– Machinery Fabrications
– Plastic Sealing
– Automotive
– Medical Equipment

Pros:
– Customizable to specific dimensions and shapes
– High-quality production with strong cost control

Cons:
– Higher price compared to standard O-Rings
– Longer lead times due to custom manufacturing

High-quality O-rings By Haisun | Custom & Standard Parts

Product Details: NBR o-ring

Technical Parameters:
– Material stand by Reach, RoHS, FDA, PAHS, TSCA
– Tolerance: ±0.02mm

Application Scenarios:
– Manufacturing various oil resistant products
– Automotive parts and household appliances

Pros:
– Heat resistance
– Oil resistance
– Water resistance

Cons:
– Poor cold and ozone resistance
– Relatively high price

Rubber Seals, Custom Rubber & Plastic Parts Manufacturer

Product Details: Professional Rubber Seals, O-Rings, Oil Seals, Custom Rubber Parts Manufacturer in China

Technical Parameters:
– Rich Industrial Manufacturing & Export Experience
– More than 20,000 Molds for Fast Delivery

Application Scenarios:
– Semiconductor, Solar, LCD
– Food, Water, Life Sciences

Pros:
– High-quality products
– Fast delivery

Cons:
– Limited information on specific product dimensions
– No detailed pricing information

Custom Rubber Seal O-Ring Manufacturers, Suppliers, Factory

Product Details: Rubber O-ring seals suitable for various mechanical equipment, providing sealing in static or moving states under specified conditions.

Technical Parameters:
– Temperature range: -60 ℃ to 220 ℃
– Pressure: up to 1500Kg/cm2 with reinforcing ring

Application Scenarios:
– Sanitary ware
– Automobiles

Pros:
– High sealing efficiency and versatility
– Cost-effective and easy to install

Cons:
– Limited to low-speed rotary sealing devices
– May require specific material selection for certain chemicals

Rubber Seal Productions, OEM Rubber Parts|Tianjin King Seal

Product Details: Rubber Seal Productions, OEM Rubber Parts from Tianjin King Seal.

Technical Parameters:
– Material options: NBR, FKM, Silicone, EPDM, HNBR, PU, SR.
– Available sizes and types of seals including O Rings, Oil Seals, Hydraulic Seals…

Application Scenarios:
– Used in automotive, aerospace, and manufacturing industries.
– Applicable in machinery and equipment to prevent leakage of lubricants.

Pros:
– High-quality materials suitable for various temperature conditions.
– Custom design and production capabilities based on client specifications.

Cons:
– Price may not be the lowest in the market.
– Limited information on specific product dimensions and tolerances.

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

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:
– High-quality molded rubber products
– Wide range of applications

Cons:
– Limited information on specific product performance
– Potential variations in material properties

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Comparison Table

Company	Product Details	Pros	Cons	Website
Custom Rubber Seals & O-rings Manufacturer	Haisun Rubber
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	– Starting friction resistance can be large in compression sealing – Difficult to achieve zero leakage in dynamic seals	savvyrubber.com
Custom Rubber Seals & O-Rings Manufacturer	HAISUN Rubber	High-precision O-rings manufactured by Cixi Haisheng Rubber Products Co., Ltd. (HAISUN) for various industries.	– High production capacity of 50 million O-rings per day – Customized products according to specific standards	– Limited information on specific material properties – Potential dependency on specific industries
Custom O-Rings, Custom Molded O-Ring China Manufacturer – Savvy Rubber	Custom O-Rings are specialized rubber seals designed to meet specific requirements when standard sizes are not available. They can be produced in vari…	– Customizable to specific dimensions and shapes – High-quality production with strong cost control	– Higher price compared to standard O-Rings – Longer lead times due to custom manufacturing	savvyrubber.com
High-quality O-rings By Haisun	Custom & Standard Parts	NBR o-ring	– Heat resistance – Oil resistance – Water resistance	– Poor cold and ozone resistance – Relatively high price
Rubber Seals, Custom Rubber & Plastic Parts Manufacturer	Professional Rubber Seals, O-Rings, Oil Seals, Custom Rubber Parts Manufacturer in China	– High-quality products – Fast delivery	– Limited information on specific product dimensions – No detailed pricing information	savvyrubber.com
Custom Rubber Seal O-Ring Manufacturers, Suppliers, Factory	Rubber O-ring seals suitable for various mechanical equipment, providing sealing in static or moving states under specified conditions.	– High sealing efficiency and versatility – Cost-effective and easy to install	– Limited to low-speed rotary sealing devices – May require specific material selection for certain chemicals	www.chinarubberseal.com
Rubber Seal Productions, OEM Rubber Parts	Tianjin King Seal	Rubber Seal Productions, OEM Rubber Parts from Tianjin King Seal.	– High-quality materials suitable for various temperature conditions. – Custom design and production capabilities based on client specifications.	– Price may not be the lowest in the market. – Limited information on specific product dimensions and tolerances.
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
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	– High-quality molded rubber products – Wide range of applications	– Limited information on specific product performance – Potential variations in material properties	www.sealsmanufacturer.com

Frequently Asked Questions (FAQs)

What are custom rubber O-rings used for?

Custom rubber O-rings are versatile sealing components used in various applications, including automotive, aerospace, plumbing, and industrial machinery. They help prevent leaks by creating a tight seal between two surfaces, ensuring that fluids or gases do not escape.

How do I choose the right material for my O-rings?

Choosing the right material depends on factors like temperature, pressure, and the type of fluid or gas being sealed. Common materials include nitrile, silicone, and fluorocarbon. It’s essential to discuss your specific requirements with the factory to find the best fit.

What is the typical lead time for custom O-ring production?

Lead times can vary based on the complexity of your order and the factory’s workload. Generally, you can expect a lead time of 2 to 4 weeks for custom O-rings. It’s a good idea to confirm the timeline with the factory before placing your order.

Can I get samples before placing a large order?

Yes, most factories offer samples for you to evaluate the quality and fit of the O-rings before committing to a larger order. Requesting samples is a great way to ensure that the product meets your specifications and expectations.

What are the minimum order quantities for custom O-rings?

Minimum order quantities (MOQs) can vary by factory and the complexity of the O-ring design. Typically, MOQs range from a few hundred to several thousand pieces. It’s best to check with the factory to understand their specific requirements and options.