Top 10 Polyurethane o-ring China Products Compare 2025

Are you in the market for high-quality polyurethane o-rings but unsure where to start? With countless factories in China, finding the right one can feel overwhelming. Understanding the top manufacturers not only saves you time but also ensures you get the best products for your needs. Imagine the peace of mind that comes with knowing you’ve chosen a reliable supplier who delivers quality and value. Ready to discover the leading polyurethane o-ring factories in China? Let’s dive in and explore your best options!

Polyurethane O-Rings, PU / TPU O-Rings China Manufacturer – Savvy

Product Details: Polyurethane o-rings, also known as Urethane o-rings or PU o-rings, are made of polyurethane rubber with an extremely low compression set. They are more resistant to extrusion than standard o-rings and suitable for dynamic sealing applications.

Technical Parameters:
– Material: PU / polyurethane / Urethane / AU / EU / TPU
– Temperature Range: -40 °C to 90 °C

Application Scenarios:
– Used in auto parts and marine equipment
– Suitable for dynamic sealing occasions in various industrial fields

Pros:
– High strength and excellent wear resistance
– Good oil and solvent resistance

Cons:
– Not high-temperature resistant
– Poor resistance to acids and bases


Polyurethane O-Rings, PU / TPU O-Rings China Manufacturer - Savvy

China Custom Polyurethane O-ring Manufacturers, Suppliers – Factory …

Product Details: Polyurethane O-Rings engineered for excellence, suitable for hydraulic and pneumatic systems, industrial machinery, and equipment. They offer superior temperature and chemical resistance, ensuring leak-free operations and prolonged equipment lifespan.

Technical Parameters:
– High-grade polyurethane material
– Exceptional durability and resistance to wear

Application Scenarios:
– Automotive applications
– Manufacturing processes
– Aerospace applications
– Marine equipment
– Construction equipment

Pros:
– Unrivaled durability and wear resistance
– Versatile applications across various industries

Cons:
– Potentially higher cost compared to standard O-rings
– Specific compatibility requirements with sealing surfaces

Polyurethane O Rings, Urethane O Ring – Shenzhou City Sanshi Rubber Co …

Product Details: Polyurethane O-rings are versatile sealing components known for their high strength, tear resistance, and abrasion resistance. They are widely used in various industries due to their durability and performance characteristics.

Technical Parameters:
– Material: Polyester urethane (AU) or polyether urethane (EU)
– Temperature Range: -40°C to 80°C, with a shortened lifetime of up to 100°C

Application Scenarios:
– Mechanical Industries: Used in applications requiring high wear resistance and s…
– Hydraulics and Pneumatics: Provides reliable sealing under dynamic conditions.

Pros:
– Excellent resistance to hydraulic oils, gasoline, and various chemicals.
– Available in various hardness levels and colors.

Cons:
– Not compatible with acids, ketones, esters, ethers, alcohols, glycols, hot water…
– AU type is susceptible to hydrolysis.


Polyurethane O Rings, Urethane O Ring - Shenzhou City Sanshi Rubber Co ...

China Customized PU O-Ring Manufacturers, Suppliers, Factory – Made in …

Product Details: Custom molded polyurethane O-rings offer durability and cost-effectiveness, outperforming metals, plastics, and rubbers in durability and stability tests.

Technical Parameters:
– Service Temperature: -40° C to 80° C, shortened lifetime up to 100 C.
– Hardness: 60 to 93 Shore A

Application Scenarios:
– Mechanical industries requiring higher wear resistance and strength.
– Applications in hydraulics, pneumatics, and other critical areas.

Pros:
– Excellent wear resistance and high tensile strength.
– Available in various colors and customizable options.

Cons:
– AU type can be attacked by hydrolysis.
– Limited information on specific applications.


China Customized PU O-Ring Manufacturers, Suppliers, Factory - Made in ...

Polyurethane, Round, O-Ring – 1WHC4|1WHC4 – Grainger

Product Details: O-Ring Polyurethane 1WHC4

Technical Parameters:
– Material: Polyurethane
– Size: Standard

Application Scenarios:
– Sealing applications in machinery
– Hydraulic systems

Pros:
– Durable and resistant to wear
– Good flexibility and compression set

Cons:
– Limited temperature range
– May not be suitable for all chemicals

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:
– Difficult to achieve zero leakage in dynamic seals
– Improper use can lead to cutting, twisting, and breaking


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

Parker Urethane O-Rings, D-Rings and Head Seals – ESP Int

Product Details: Parker Urethane O-Rings, D-Rings, and Head Seals offer material advantages exclusive to the Resilon family of compounds in standard and custom sizes, designed for high performance in various sealing applications.

Technical Parameters:
– Temperature Range: -65°F to +275°F (-54°C to +135°C) for P4300A90
– Pressure: 5,000 psi (344 bar) dynamic, 10,000 psi (688 bar) static

Application Scenarios:
– Hydraulic systems requiring reliable sealing solutions
– Applications with high temperature and pressure requirements

Pros:
– Eliminates the need for back-ups, simplifying installation
– Reduces damage due to spiral failure

Cons:
– Limited to specific temperature and pressure ranges
– May require consultation for alternate materials


Parker Urethane O-Rings, D-Rings and Head Seals - ESP Int

Polyurethane, Round, O-Ring – 1WHB9|1WHB9 – Grainger

Product Details: O-Ring Polyurethane 1WHB9

Technical Parameters:
– Material: Polyurethane
– Size: Standard

Application Scenarios:
– Sealing applications in machinery
– Hydraulic systems

Pros:
– Durable and resistant to wear
– Good chemical resistance

Cons:
– May not be suitable for extreme temperatures
– Limited flexibility compared to rubber

Polyurethane, Round, O-Ring – 1WHB1|1WHB1 – Grainger

Product Details: O-Ring Polyurethane 1WHB1

Technical Parameters:
– Material: Polyurethane
– Size: Standard

Application Scenarios:
– Sealing applications in machinery
– Hydraulic systems

Pros:
– Durable and resistant to wear
– Good flexibility and compression set

Cons:
– Limited temperature range
– May not be suitable for all chemicals

Polyurethane, Round, O-Ring – 60YK46|ZUSAU70115 – Grainger

Product Details: O-Ring Polyurethane 60YK46

Technical Parameters:
– Material: Polyurethane
– Size: Standard

Application Scenarios:
– Sealing applications in machinery
– Hydraulic systems

Pros:
– Durable and resistant to wear
– Good flexibility and compression set

Cons:
– Limited temperature range
– May not be suitable for all chemicals

Related Video

Comparison Table

Company Product Details Pros Cons Website
Polyurethane O-Rings, PU / TPU O-Rings China Manufacturer – Savvy Polyurethane o-rings, also known as Urethane o-rings or PU o-rings, are made of polyurethane rubber with an extremely low compression set. They are mo… – High strength and excellent wear resistance – Good oil and solvent resistance – Not high-temperature resistant – Poor resistance to acids and bases savvyrubber.com
China Custom Polyurethane O-ring Manufacturers, Suppliers – Factory … Polyurethane O-Rings engineered for excellence, suitable for hydraulic and pneumatic systems, industrial machinery, and equipment. They offer superior… – Unrivaled durability and wear resistance – Versatile applications across various industries – Potentially higher cost compared to standard O-rings – Specific compatibility requirements with sealing surfaces www.chaoyuerubber.com
Polyurethane O Rings, Urethane O Ring – Shenzhou City Sanshi Rubber Co … Polyurethane O-rings are versatile sealing components known for their high strength, tear resistance, and abrasion resistance. They are widely used in… – Excellent resistance to hydraulic oils, gasoline, and various chemicals. – Available in various hardness levels and colors. – Not compatible with acids, ketones, esters, ethers, alcohols, glycols, hot water… – AU type is susceptible to hydrolysis. www.chinarubberseals.com
China Customized PU O-Ring Manufacturers, Suppliers, Factory – Made in … Custom molded polyurethane O-rings offer durability and cost-effectiveness, outperforming metals, plastics, and rubbers in durability and stability te… – Excellent wear resistance and high tensile strength. – Available in various colors and customizable options. – AU type can be attacked by hydrolysis. – Limited information on specific applications. www.rubberplasticparts.com
Polyurethane, Round, O-Ring – 1WHC4 1WHC4 – Grainger O-Ring Polyurethane 1WHC4 – Durable and resistant to wear – Good flexibility and compression set – Limited temperature range – May not be suitable for all chemicals
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
Parker Urethane O-Rings, D-Rings and Head Seals – ESP Int Parker Urethane O-Rings, D-Rings, and Head Seals offer material advantages exclusive to the Resilon family of compounds in standard and custom sizes,… – Eliminates the need for back-ups, simplifying installation – Reduces damage due to spiral failure – Limited to specific temperature and pressure ranges – May require consultation for alternate materials www.espint.com
Polyurethane, Round, O-Ring – 1WHB9 1WHB9 – Grainger O-Ring Polyurethane 1WHB9 – Durable and resistant to wear – Good chemical resistance – May not be suitable for extreme temperatures – Limited flexibility compared to rubber
Polyurethane, Round, O-Ring – 1WHB1 1WHB1 – Grainger O-Ring Polyurethane 1WHB1 – Durable and resistant to wear – Good flexibility and compression set – Limited temperature range – May not be suitable for all chemicals
Polyurethane, Round, O-Ring – 60YK46 ZUSAU70115 – Grainger O-Ring Polyurethane 60YK46 – Durable and resistant to wear – Good flexibility and compression set – Limited temperature range – May not be suitable for all chemicals

Frequently Asked Questions (FAQs)

What are polyurethane o-rings used for?

Polyurethane o-rings are versatile sealing solutions used in various applications, including automotive, aerospace, and industrial machinery. They provide excellent resistance to wear, abrasion, and chemicals, making them ideal for sealing fluids and gases in demanding environments.

How do I choose the right polyurethane o-ring?

To choose the right polyurethane o-ring, consider factors like the size, hardness, and chemical compatibility with the substances it will encounter. It’s also essential to assess the temperature range and pressure conditions of your application to ensure optimal performance.

What is the manufacturing process for polyurethane o-rings?

The manufacturing process typically involves mixing polyurethane materials, molding them into the desired shape, and curing them to achieve the required hardness and durability. Quality control measures are implemented throughout to ensure consistency and reliability.

Are polyurethane o-rings more durable than rubber o-rings?

Yes, polyurethane o-rings are generally more durable than traditional rubber o-rings. They offer superior resistance to abrasion, tearing, and chemicals, making them suitable for high-stress applications where longevity is crucial.

How can I find a reliable polyurethane o-ring factory in China?

To find a reliable factory, research online directories, read customer reviews, and request samples to assess quality. It’s also helpful to check for certifications and industry experience to ensure the factory meets your specific needs.

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