Are you looking for the best o-ring manufacturers in China? With so many options available, choosing the right one can be overwhelming. In this article, we’ll compare the top standard size o-ring factories in China, helping you make an informed decision for your needs. Let’s dive in and find the perfect fit for your business.

O-Rings, Rubber Seals – Best China Manufacturer & …

Product Details: Savvy Rubber offers a wide range of o-rings made from various materials, including NBR, FKM (Viton), Silicone, EPDM, HNBR, CR, and Aflas. These o-rings are available in standard and custom sizes and shapes, with the capability to produce encapsulated o-rings, backup-rings, and x-rings. The temperature range for these o-rings varies, for example, Silicone o-rings can operate from -70°C to 220°C. The hardness of the o-rings is measured in Shore A, typically ranging from 40 to 90, with 60-70 being the most common. O-rings can be produced in various colors, with common colors including Black for NBR, Green for HNBR, and

Brown for Viton. Savvy Rubber uses different manufacturing processes such as compression molding, injection molding, and spliced vulcanized methods to ensure high-quality products[1][2].

Pros:
– Wide range of materials available to suit different working conditions
– Customizable sizes and shapes to meet specific needs
– High-quality manufacturing processes ensure good sealing performance
– Fast delivery options with favorable express costs
– Low mold/tooling costs for custom orders
– Variety of colors available for easy identification

Cons:
– Unique or non-commonly used colors may increase cost and require a larger MOQ wi…
– Low hardness o-rings can be prone to peeling, installation damage, extrusion, an…
– High hardness o-rings can be inconvenient to install

China O-Ring Kits Suppliers – NNK Oil Seal

Standard And Non-standard Size Rubber O-ring

O-ring size (no tooling charge)

Perfluoroelastomer FFKM O ring Manufacturer

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 as custom if their cross-section is outside the range of standard o-rings or if they have non-round outline shapes such as square, rectangular, or other irregular shapes. To produce custom o-rings, the inner diameter (ID) and cross-section (CS) are required, or a detailed drawing if the shape is irregular. Custom o-rings are used in industries like hydraulics, oil and gas, semiconductor processing, aerospace, food processing, water filtration, electronic products, machinery fabrications, plastic sealing, automotive, and medical equipment. The materials used include NBR, FKM,

Silicone, EPDM, HNBR, CR, Aflas, etc., each with different properties and applications. The hardness of o-rings ranges from Shore A 40 to 90, with common hardness being 60-70. Custom o-rings can also be produced in various colors based on the RAL or Pantone color number provided by the customer.

Pros:
– Custom o-rings can be tailored to specific application requirements with various…
– Strong cost control management ensures low prices while maintaining high quality…
– Wide range of materials available, including NBR, FKM, Silicone, and others, to…
– Custom o-rings can be produced in various colors to meet specific needs.
– Savvy Rubber offers design services if the customer cannot provide a drawing.

Cons:
– Custom o-rings are used in lower volumes than standard o-rings, resulting in hig…
– Production requires detailed specifications or drawings, which can involve exten…
– Unique colors or irregular shapes may increase the cost and require a larger min…

High quality FKM material O-ring processing factory

Product Details: High quality O-rings are available in various materials including NBR, FKM, EPDM, VMQ, HNBR, PU, and FFKM. These materials have different properties such as high temperature resistance (e.g., FKM up to 200°C, FFKM up to 260°C), low temperature resistance (e.g., VMQ down to -60°C), aging resistance, wear resistance, water resistance, and gasoline resistance. The O-rings come in standard sizes according to the AS568 standard, as well as custom sizes. They are available in various colors such as black, green, yellow, red, blue, and other custom colors. The minimum order quantity (MOQ) is 1000 pieces. Non-standard sizes require the creation of

a mold before production can be arranged.

Pros:
– Wide range of materials to suit different application needs
– Available in standard and custom sizes
– Various color options
– High-quality materials with good resistance properties (temperature, aging, wear…
– Fast delivery times for standard size O-rings

Cons:
– Non-standard sizes require mold creation, which can delay production
– Minimum order quantity of 1000 pieces may be high for some customers

Top 10 Viton O-ring Manufacturers and Suppliers in China …

Product Details: Viton® O-Rings are made from fluorocarbon materials, specifically fluoroelastomers (FKM), known for their excellent chemical and temperature resistance. They are available in various types such as A, B, F, GLT, and GFLT, each with different fluorine content and properties. Standard temperature range is -20°F to 400°F (-29°C to 204°C), and standard hardness is 70-75 Shore A. They are widely used in chemical, automotive, aerospace, and industrial applications.

Pros:
– Excellent resistance to acids, fuels, mineral and vegetable oils, and greases.
– High heat resistance with situational service life above 200°C.
– Excellent resistance to aging and ozone.
– Low gas permeability and low compression set.
– Available in various formulations to meet specific application needs, including…
– High chemical resistance and durability in harsh environments.

Cons:
– Not recommended for use with steam, amines, or polar solvents.
– Limited low-temperature flexibility in some types, though improved in GLT and GF…
– Fair to good resistance to water and steam.
– Fair cold resistance.
– Fair electrical properties.

Large diameter store rubber o rings – Kin by Rice n Roll

Product Details: Kin by Rice n Roll is a family-run restaurant located in the Wauwatosa neighborhood. It is part of the Rice n Roll Bistro family and is known for serving varieties of Asian food and sushi with a modernized look and authentic taste from across Asia, especially Thailand and Japan.

Pros:
– Passionate family-run operation
– Homemade, fresh, and tasty food
– Varieties of Asian food and sushi
– Modernized look and authentic taste

Cons:
– No specific cons mentioned on the website
– Limited information available on the website

Metric o store ring chart – Kin by Rice n Roll

Product Details: Kin by Rice n Roll is a small, family-run restaurant operated by the Rice n Roll family. It is located in the Wauwatosa neighborhood and specializes in homemade, fresh, and tasty Asian food and sushi with a modernized look and authentic taste from across Asia, especially Thailand and Japan.

Pros:
– Variety of Asian dishes and sushi
– Modernized look and authentic taste
– Family-run restaurant with a passionate team
– Offers takeout and delivery services
– Reservations available for parties of 2 or more

Cons:
– No reservations on Friday and Saturday, walk-in only
– Table will be released if more than 5 minutes late

Comparison Table

Frequently Asked Questions (FAQs)

What materials are commonly used to manufacture O-rings in Chinese factories?

Chinese O-ring factories often use a variety of materials, including Nitrile (NBR), Hydrogenated Nitrile (HNBR), Ethylene Propylene Diene Monomer (EPDM), Fluorinated Rubber (FKM), and Silicone. Each material has its own unique properties and is suited for different applications, such as resistance to high temperatures, oils, or chemicals.

What are the standard sizes and specifications for O-rings in China?

Standard O-ring sizes in China follow international standards like ISO 3601, as well as local standards such as GB 3452.1. The sizes are typically specified by the inside diameter (ID), outside diameter (OD), and cross-section (CS) or width. For example, an O-ring size might be given as ID 20 x CS 2 mm. Different countries have their own standards, but ISO 3601 is widely accepted.

Can I customize O-rings according to my specific needs?

Yes, you can customize O-rings to fit your specific requirements. Many Chinese manufacturers, such as Hongju Silicone and Savvy Rubber, offer OEM and ODM services. They can design and produce O-rings in various sizes, shapes, and materials based on your drawings or samples. This includes custom colors, hardness levels, and special coatings like PTFE.

What is the typical minimum order quantity (MOQ) for O-rings from Chinese manufacturers?

The minimum order quantity (MOQ) for O-rings can vary significantly depending on the manufacturer. Some companies have a low MOQ of just 10 pieces, while others may require orders of 500 to 50,000 pieces. It’s always a good idea to check with the specific manufacturer you’re interested in to see what their MOQ is.

How do Chinese O-ring manufacturers ensure the quality of their products?

Chinese O-ring manufacturers often adhere to strict quality control processes. They use high-quality raw materials, precision molds, and advanced manufacturing techniques like compression molding. Additionally, many of these manufacturers are certified with international standards such as ISO 9001, ISO 13485, and IATF16949, ensuring that their products meet global quality standards. They also conduct thorough manual and machine testing before packaging and shipping the products.