Are you looking for the best o-ring manufacturers in China to meet your specific size and quality needs? With numerous options available, choosing the right one can be overwhelming. In this article, we’ll compare the top o-ring factories in China, highlighting their strengths, product varieties, and what sets them apart. Let’s dive in and find the perfect fit for your requirements.
O-Rings, Rubber Seals – Best China Manufacturer & …
Product Details: Savvy manufactures a wide range of o-rings made from various materials including NBR, FKM (Viton), Silicone, EPDM, HNBR, CR, Aflas, and more. These o-rings are available in standard and custom sizes, with the ability to produce encapsulated o-rings, backup-rings, x-rings, etc. The temperature range for these o-rings varies by material, such as -70°C to 220°C for Silicone. The hardness is typically measured in Shore A, with common hardness levels being 60 to 90. Savvy also offers o-rings in various colors, with the option to customize colors based on RAL or Pantone standards.
Pros:
– Good property and low cost, especially for NBR which accounts for about 50% of o…
– FKM (Viton) offers the best comprehensive performance and is widely used in high…
– Silicone o-rings are tasteless, non-toxic, and resistant to high temperatures an…
– Custom o-rings can be made at a very low mold/tooling cost with fast delivery.
– Available in various colors for easy identification.
Cons:
– Low hardness o-rings are prone to peeling, installation damage, extrusion, and p…
– High hardness o-rings can be inconvenient to install.
– Unique or custom colors may increase the cost and require a larger MOQ with a lo…
China O Rings Manufacturers and Suppliers
O-Rings | China – Products | Parker NA
China O-Ring Kits Suppliers – NNK Oil Seal
Product Details: The Universal Type O-Ring Kit Box 30 size is a professional-quality assortment of O-rings. It includes 382 pieces of O-rings in 30 popular sizes, available in both inch and millimeter measurements. The O-rings are made from commercial-grade nitrile butadiene rubber (NBR) and fluoroelastomer (FKM) materials, offering oil, chemical, and high-pressure resistance. The kit is suitable for various applications, including machines, excavators, cars, doors, windows, electric appliances, bearings, and pumps. The O-rings have a hardness range of 60-90 Shore A and can operate in temperatures from -40°C to 260°C. The kit comes in a resealable plastic case and is certified with
ISO9001/TS16949 standards.
Pros:
– High-quality materials (NBR and FKM) providing excellent oil and chemical resist…
– Wide range of sizes (30 popular sizes) suitable for various applications
– Durable and long-lasting with thick wall construction
– UV resistant and suitable for use with liquids such as oil
– Certified with ISO9001/TS16949 standards ensuring high quality
– Resealable plastic case for convenient storage
Cons:
– Limited to specific materials (NBR and FKM), which may not be suitable for all e…
– No mention of availability for custom sizes or special orders beyond the standar…
– May require additional backup rings for elevated operating pressure environments
Custom O-Rings, Custom Molded O-Ring China …
Product Details: Savvy Rubber offers custom o-rings designed and produced in various cross-sections and shapes. These o-rings are defined by their cross-section and outline shape. If the cross-section is outside the standard o-ring sizes or if the outline shape is not round (e.g., square, rectangular), they are considered custom o-rings. For production, the inner diameter (ID) and cross-section (CS) are required for standard custom o-rings, while a detailed drawing is needed for non-round shapes. Custom o-rings are used in industries such as hydraulics, oil and gas, semiconductor processing, aerospace, food processing, water filtration, electronic products, machinery fabrications, plastic sealing, automotive, and medical
equipment.
Pros:
– Custom o-rings can be tailored to specific application needs with various cross-…
– Strong cost control management ensures low prices while maintaining high quality…
– Wide range of materials available, including NBR, FKM, and Silicone.
– Fast delivery and low mold/tooling costs.
– Ability to design and produce o-rings according to customer drawings or specific…
Cons:
– Higher price compared to standard o-rings due to the unconventional nature and l…
– Requires detailed communication and cooperation for non-standard shapes, which c…
– Unique colors or non-standard materials may increase cost and require a larger m…
30-80 Durometer colored elastic large diameter o-rings
Product Details: The 30-80 Durometer colored elastic large diameter o-rings are made from materials such as Nitrile rubber (NBR), Viton, and Silicone. These o-rings have a hardness range of 30 to 80 Shore Durometer and are available in a wide range of sizes, with inner diameters (ID) from 0.8mm to 572mm and cross-sections from 0.4mm to 17.27mm. They exhibit good elastic and resilient properties, and are resistant to high temperatures, abrasion, and oils. The o-rings are suitable for various applications, including use in excavators, and are manufactured by Melon Rubber&Plastics, a leading manufacturer in China.
Pros:
– Made from high-quality, durable rubber materials
– Wide range of sizes available (ID: 0.8~572mm, Cross Section: 0.4~17.27mm)
– High temperature resistance, abrasion resistant, and oil resistant
– Available in various materials such as NBR, Viton, Silicone, EPDM, and more
– No tooling costs due to over 1000 existing sizes
– Reliable quality with strict quality control
Cons:
– Limited information on specific chemical resistance for each material type
– No detailed information on minimum order quantities or lead times
– Prices vary widely (US $0.1-10 / Pieces) depending on the material and size
Perfluoroelastomer FFKM O ring Manufacturer
Product Details: FFKM O-rings are made of perfluoroelastomer compounds with higher fluorine content than FKM fluoroelastomers. They offer excellent resistance to chemical corrosion, organic and inorganic acids, alkali, ester, ether, ketone, aldehyde, superheated water, and steam. The maximum operating temperature is up to 620°F (230°C). They can be manufactured into various forms such as O-rings, diaphragms, gaskets, rubber strips, and customized products.
Pros:
– Highest temperature resistance among all rubber O-ring and gasket materials, up…
– Excellent chemical resistance to a wide range of aggressive chemicals, including…
– Long service life and reliability in dynamic and static applications.
– Ideal for harsh chemical environments and critical applications where sealing fa…
– Used in various industries such as chemical processing, energy, semiconductors,…
Cons:
– Higher cost compared to standard FKM materials.
– Poor low-temperature performance, with some materials not suitable for steam, ho…
– May require specific testing and material compatibility checks due to the variet…
Top 10 O-ring Manufacturers and Suppliers in China (2024)
Stainless O Ring Manufacturer in China – HM
Product Details: The Stainless Steel Non-Welded O Ring from HM is designed for strength and versatility. It is available in different sizes and finishes, and can be customized to meet specific requirements. The O rings are made from various grades of stainless steel, including 304, 316, and others, ensuring durability and resistance to corrosion. They are suitable for a wide range of applications, including industrial, marine, and other environments where high reliability is needed.
Pros:
– Designed for strength and versatility
– Available in different sizes and finishes
– Customizable to meet specific requirements
– Made from durable and corrosion-resistant stainless steel grades
– Suitable for various industrial and marine applications
Cons:
– No specific cons mentioned on the webpage
– Customization may add complexity and potentially increase cost
Ring Size Guide
Product Details: The ring size guide provides methods to determine your ring size accurately. You can measure your ring size using a strip of paper or string, an existing ring, or a printable ring sizer. Measure the circumference of your finger in millimeters and match it to the corresponding ring size on the chart. Ensure to measure when your fingers are warm for the most accurate fit.
Pros:
– Accurate measurements can be obtained using simple tools like paper or string.
– Printable ring sizers are available for more precise measurements.
– Charts provide conversions between different international ring size standards.
– Measuring tips help ensure the best fit, such as measuring when fingers are warm…
Cons:
– Manual measurements can be less accurate than professional sizing at a jeweler.
– Finger size can vary with temperature, requiring careful timing of measurements.
– If unsure, additional steps or tools may be necessary to confirm the size.
Comparison Table
| Company | Product Details | Pros | Cons | Website |
|---|---|---|---|---|
| O-Rings, Rubber Seals – Best China Manufacturer & … | Savvy manufactures a wide range of o-rings made from various materials including NBR, FKM (Viton), Silicone, EPDM, HNBR, CR, Aflas, and more. These o-… | – Good property and low cost, especially for NBR which accounts for about 50% of o… – FKM (Viton) offers the best comprehensive performance and is w… | – Low hardness o-rings are prone to peeling, installation damage, extrusion, and p… – High hardness o-rings can be inconvenient to install. – Unique… | savvyrubber.com |
| China O Rings Manufacturers and Suppliers | www.svks-rubberseal.com | |||
| O-Rings | China – Products | Parker NA | ||
| China O-Ring Kits Suppliers – NNK Oil Seal | The Universal Type O-Ring Kit Box 30 size is a professional-quality assortment of O-rings. It includes 382 pieces of O-rings in 30 popular sizes, avai… | – High-quality materials (NBR and FKM) providing excellent oil and chemical resist… – Wide range of sizes (30 popular sizes) suitable for various ap… | – Limited to specific materials (NBR and FKM), which may not be suitable for all e… – No mention of availability for custom sizes or special orders… | www.nokcn-seals.com |
| Custom O-Rings, Custom Molded O-Ring China … | Savvy Rubber offers custom o-rings designed and produced in various cross-sections and shapes. These o-rings are defined by their cross-section and ou… | – Custom o-rings can be tailored to specific application needs with various cross-… – Strong cost control management ensures low prices while mainta… | – Higher price compared to standard o-rings due to the unconventional nature and l… – Requires detailed communication and cooperation for non-standa… | savvyrubber.com |
| 30-80 Durometer colored elastic large diameter o-rings | The 30-80 Durometer colored elastic large diameter o-rings are made from materials such as Nitrile rubber (NBR), Viton, and Silicone. These o-rings ha… | – Made from high-quality, durable rubber materials – Wide range of sizes available (ID: 0.8~572mm, Cross Section: 0.4~17.27mm) – High temperature resi… | – Limited information on specific chemical resistance for each material type – No detailed information on minimum order quantities or lead times – Pri… | www.melon-rubber.com |
| Perfluoroelastomer FFKM O ring Manufacturer | FFKM O-rings are made of perfluoroelastomer compounds with higher fluorine content than FKM fluoroelastomers. They offer excellent resistance to chemi… | – Highest temperature resistance among all rubber O-ring and gasket materials, up… – Excellent chemical resistance to a wide range of aggressive che… | – Higher cost compared to standard FKM materials. – Poor low-temperature performance, with some materials not suitable for steam, ho… – May require… | www.jst-seals.com |
| Top 10 O-ring Manufacturers and Suppliers in China (2024) | hongjusilicone.com | |||
| Stainless O Ring Manufacturer in China – HM | The Stainless Steel Non-Welded O Ring from HM is designed for strength and versatility. It is available in different sizes and finishes, and can be cu… | – Designed for strength and versatility – Available in different sizes and finishes – Customizable to meet specific requirements – Made from durable a… | – No specific cons mentioned on the webpage – Customization may add complexity and potentially increase cost | hmaking.com |
| Ring Size Guide | The ring size guide provides methods to determine your ring size accurately. You can measure your ring size using a strip of paper or string, an exist… | – Accurate measurements can be obtained using simple tools like paper or string. – Printable ring sizers are available for more precise measurements…. | – Manual measurements can be less accurate than professional sizing at a jeweler. – Finger size can vary with temperature, requiring careful timing of… | orochinajewelry.com |
Frequently Asked Questions (FAQs)
Frequently Asked Questions About O-Ring Manufacturers in China
What materials are commonly used to manufacture O-rings in China?
O-ring manufacturers in China use a variety of materials, including Nitrile (NBR), Ethylene Propylene Diene Monomer (EPDM), Fluorinated Rubber (FKM), Hydrogenated Nitrile Butadiene Rubber (HNBR), and Silicone. Each material has its own unique properties and is suited for different applications and environments.
Can I customize the size and shape of O-rings according to my specifications?
Yes, you can customize the size and shape of O-rings. Many manufacturers in China offer OEM and ODM services, allowing you to provide your own drawings or samples for custom production. This ensures that the O-rings meet your specific needs and fit perfectly into your application.
What is the typical minimum order quantity (MOQ) for O-rings from Chinese manufacturers?
The minimum order quantity (MOQ) for O-rings can vary depending on the manufacturer. Some companies have a low MOQ of as few as 10-100 pieces, while others may require a minimum order of 500-5,000 pieces. It’s always a good idea to check with the specific manufacturer for their MOQ requirements.
How do I choose the right hardness for my O-rings?
Choosing the right hardness for your O-rings is crucial. The hardness is measured in Shore A units, typically ranging from 40 to 90. For most applications, a hardness of 60-70 is suitable, but for high-pressure applications, a hardness of 85-90 may be necessary. If the hardness is too low, the O-ring may be prone to peeling or extrusion, while too high hardness can make installation difficult.
Do Chinese O-ring manufacturers provide certifications and ensure quality standards?
Yes, many Chinese O-ring manufacturers adhere to international quality standards and provide relevant certifications. Look for manufacturers that are certified with ISO 9001, ISO 14001, IATF16949, and ISO 13485. These certifications ensure that the products meet high-quality and safety standards, giving you peace of mind when sourcing your O-rings.