Are you looking for the best o-ring manufacturers in China to meet your specific needs? With numerous options available, choosing the right one can be daunting. In this article, we’ll compare some of the top o-ring factories in China, highlighting their unique strengths, customization options, and the quality of their products. Let’s dive in and find the perfect fit for your requirements.

50mm x 3.5mm (57mm OD) Nitrile O-Rings

o ring 50mm Manufacturer & Supplier in China – Nanjing Hovoo …

Product Details: The 50mm ID O-ring is made from nitrile (NBR) material. It has an inner diameter of 50mm, an outer diameter of 58mm (for a 4mm cross-section), and a tolerance of ±0.1mm. The temperature range is -35°C to 110°C, and it has a Shore hardness of 70A. The O-ring is suitable for sealing various liquids and gaseous media and is commonly used in static and dynamic applications.

Pros:
– Versatile and widely used for both static and dynamic applications.
– Economical and efficient sealing element.
– Available in various cross-section sizes and suitable for different fluid types.
– Easy installation and compact design reduce hardware and design costs.

Cons:
– Requires proper storage to avoid degradation from direct sunlight, ozone emissio…
– May not be suitable for all chemical applications without checking compatibility…
– Can be subject to permanent deformation if not installed correctly, especially i…

China 50mm o ring seal Manufacturers Factory Suppliers

Product Details: The 50mm O-ring typically has an inner diameter of 50mm and various cross-sections such as 3.5mm or 4.5mm. The outer diameter would be 57mm or 58.5mm respectively. These O-rings are often made from nitrile rubber (NBR) with a temperature range of -35°C to 110°C, Shore hardness of 70A, and tensile strength of around 14 MPa. They are commonly used as shaft seals, face-to-face seals, and for facilitating rotary and linear movement.

Pros:
– Versatile and can be used in various applications including shaft seals, face-to…
– High temperature resistance and chemical compatibility with many fluids.
– Pre-lubricated options available for easy pipe insertion and reliable leak-free…

Cons:
– Requires proper storage to avoid degradation from direct sunlight, high voltage…
– May not be suitable for all chemical environments; chemical compatibility should…

China 50mm rubber o rings Manufacturers Factory Suppliers

Product Details: The 50mm ID x 2.5mm CS Nitrile O-Ring is made from Nitrile (NBR) material. It has an internal diameter of 50mm and a cross-section of 2.5mm. The hardness is 70 Shore A, and it operates within a temperature range of -30°C to 90°C. This O-Ring is commonly used in various applications including engines, gearboxes, and plumbing installations due to its high chemical resistance and wide operating temperature range.

Pros:
– High chemical resistance
– Wide operating temperature range from -30°C to 90°C
– Cost-effective and commonly available
– Suitable for both rotary and linear movement

Cons:
– Limited to a maximum temperature of 90°C
– May not be suitable for applications requiring higher temperature resistance

Large silicone store o rings – Kin by Rice n Roll

Product Details: Garden Twist Maki is a sushi dish available at KIN by Rice n Roll. It includes cream cheese, sweet potato tempura, asparagus, tempura topped avocado, spicy mayo, and sriracha.

Pros:
– Variety of ingredients providing a rich flavor profile
– Combination of crunchy and soft textures from tempura and avocado
– Spicy and savory elements from spicy mayo and sriracha

Cons:
– May be too spicy for some diners due to the sriracha
– Could be high in calories due to the presence of tempura and cream cheese

50mm o ring Manufacturer & Supplier in China – Nanjing Hovoo …

Product Details: The O-ring has an internal diameter of 50mm, a cross-section (CS) of 2.5mm, and is made from Nitrile (NBR) rubber. It has a hardness of 70 Shore A and operates within a temperature range of -30°C to 90°C. The O-ring is circular in cross-section and is of the metric type.

Pros:
– Excellent resistance to chemicals, including fats, greases, and vegetable oils.
– Versatile and can be used as shaft seals, face-to-face seals, and for facilitati…
– Long-lasting seal life and good performance in hydraulic and pneumatic applicati…

Cons:
– Limited to a maximum temperature of 90°C, which may not be suitable for high-tem…
– Not suitable for applications involving certain chemicals that can degrade Nitri…

50mm China Imported Iron Cut O Ring, Thickness: 5mm

Product Details: Material: Iron; Shape: Circle; Surface Finish: Glossy; Diameter: 50mm; Thickness: 5mm; Minimum Order Quantity: 500 Piece.

Pros:
– Available in large quantities with a minimum order of 500 pieces.
– Made from iron, which can provide durability and strength.

Cons:
– Limited to a specific thickness of 5mm, which may not be suitable for all applic…
– No information provided on the product’s resistance to corrosion or other enviro…

50mm China Imported Iron Cut O Ring

Product Details: The product is China Imported Iron Cut O Rings. Key details include: Thickness of 5mm, made of Iron, round shape, weight per item of 10gm, diameter of 125mm, and a nickel color. The minimum order quantity is 500 pieces.

Pros:
– Durable iron material
– Specific thickness and diameter suitable for various applications
– Nickel color for corrosion resistance

Cons:
– Minimum order quantity of 500 pieces, which may be high for small-scale needs
– No additional features or coatings mentioned beyond the basic specifications

China China wholesale Cargo tying 50mm/2 inch Factory – Steel E …

Product Details: This product is a 50mm/2 inch Steel E-track ring tie down anchor. It is made of cold-resistant steel and colored zinc-plated, allowing it to tolerate extreme weather conditions. The load limit of this anchor is 700 lbs.

Pros:
– Made of durable cold-resistant steel
– Colored zinc-plated for corrosion resistance
– Can tolerate extreme weather conditions
– High load limit of 700 lbs

Cons:
– No specific cons mentioned in the product details
– Potential for rust if zinc plating is damaged

Designer Non Metal Acrylic Uv Sensitive Expander Spike …

Product Details: The Designer Non-Metal Acrylic UV Sensitive Expander Spike is a jewelry item made by Sweet Pea Creations. It is crafted from non-metal acrylic material and features UV sensitivity. The expander spike comes with 2 rubber O-rings and is 50mm long. The product is available in various gauge sizes, including 0G to 2mm. It is made in China and comes with free 90-day returns.

Pros:
– Made from non-metal acrylic material, suitable for those with metal allergies.
– UV sensitive, adding a unique aesthetic feature.
– Includes 2 rubber O-rings for secure wear.
– Available in various gauge sizes to fit different preferences.
– Free 90-day returns for customer satisfaction.

Cons:
– May not be as durable as metal or other materials.
– UV sensitivity may fade over time.
– Limited to specific gauge sizes and lengths.

Comparison Table

Frequently Asked Questions (FAQs)

Frequently Asked Questions About O-Ring Factories in China

What materials are commonly used by o-ring factories in China?

O-ring factories in China use a variety of materials to manufacture o-rings, including nitrile rubber (NBR), ethylene propylene diene monomer (EPDM), silicone, Viton (FKM), and hydrogenated nitrile butadiene rubber (HNBR). Each material has its own unique properties and is suited for different applications, such as resistance to high temperatures, chemicals, or petroleum.

Can I customize the size and shape of o-rings from Chinese manufacturers?

Yes, you can customize the size and shape of o-rings from Chinese manufacturers. Many factories, such as Dongguan Hongju Silicone Rubber Products Co., Ltd. and Savvy Rubber, offer OEM and ODM services, allowing you to provide your own design drawings or specifications for custom o-ring production.

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

The minimum order quantity (MOQ) for o-rings can vary depending on the manufacturer. Some factories have relatively low MOQs, such as 100 pieces or even 10 pieces for certain types of o-rings, while others may require larger orders, typically starting from 5000 pieces.

How do Chinese o-ring manufacturers ensure quality and prevent leakage?

Chinese o-ring manufacturers ensure quality by using high-quality raw materials and advanced production methods like die cutting, transfer molding, and injection molding. They also conduct rigorous testing to prevent leakage and ensure the o-rings meet the required standards. Additionally, many factories offer free samples for testing before placing a large order.

What kind of after-sales service can I expect from Chinese o-ring manufacturers?

Many Chinese o-ring manufacturers provide comprehensive after-sales service. They assist customers with any issues that may arise, offer technical support, and ensure customer satisfaction from the initial order to the delivery and beyond. Some manufacturers, like Xiamen Flying Silicone Rubber Co., Ltd., also provide assembly, packing, and shipment services to make the process smoother for their customers.