Are you looking for the best high-temperature O-ring factories in China? If so, you’re in the right place. In this article, we’ll compare some of the top manufacturers, highlighting their strengths, product ranges, and what sets them apart in the industry. Let’s dive in and find the perfect fit for your needs.

Perfluoroelastomer FFKM O ring Manufacturer

High-quality O-ring Seals Manufacturer-Topa

Product Details: O-rings are round seals that create a mechanical seal between objects to prevent leakage of liquids and gases. They are used in various applications such as gas cylinders, pumps, connectors, and other appliances across industries like agriculture, industry, oil and gas, food, and construction. O-rings are made from different materials including polyurethane, neoprene, silicone, Buna-N, PTFE, etc., each suited for different environmental conditions such as temperature, pH, humidity, and pressure.

Pros:
– Stop foreign contaminants
– Maintain lubrication between objects
– Lighter in weight
– Easy to install and remove
– Resistant to abrasion
– Adaptable to extreme environments

Cons:
– Can leak due to incorrect installation, wrong size, excessive pressure, chemical…
– Material degradation over time depending on the material used (e.g., SBR, natura…

Stainless O Ring Manufacturer in China – HM

Product Details: The manufacturing process of stainless steel O rings at HM involves precision CNC machining. It starts with the selection of high-quality stainless steel material. The O rings are made from various grades of stainless steel, including 302, 303, 304, 304L, 316, and 316L. These O rings are designed for durability and resistance to corrosion, making them suitable for a wide range of industries such as chemical processing, food processing, and medical equipment. Custom and standard designs are available to meet specific application requirements.

Pros:
– Made from high-quality stainless steel for durability and corrosion resistance.
– Precision CNC machining ensures accurate dimensions and high quality.
– Available in various grades of stainless steel to suit different applications.
– Custom and standard designs to meet specific industry needs.

Cons:
– Limited information available on the website regarding specific temperature and…
– No detailed information on the cost or lead time for custom orders.

China Supplier High Temperature Rubber O Rings For Sale

Factory supplier standard size high temperature colored …

Product Details: High-temperature colored rubber O-rings are designed for applications requiring resistance to extreme temperatures. These O-rings are made from materials such as FFKM, HNBR, or FKM, which offer superior heat resistance and chemical compatibility. They are available in various colors to differentiate between materials and applications, such as black for EPDM, yellow for HNBR, and green for FKM. The temperature range for these O-rings can vary, but they generally operate between -20°C to 200°C or higher for short periods.

Pros:
– High temperature resistance, with some materials capable of withstanding tempera…
– Chemical resistance to a wide range of fluids and gases.
– Color coding helps in easy identification of the material and its suitability fo…
– Enhanced durability and longevity in demanding environments.

Cons:
– May be more expensive than standard O-rings due to the use of specialized materi…
– Limited shelf life if not stored properly, as exposure to heat and light can deg…
– Requires careful selection to ensure compatibility with the specific application…
– Can be prone to compression set if exposed to temperatures beyond their rated li…

High Temperature Viton Rubber O Ring Cord

Product Details: Viton O-Rings are made from a synthetic, high-performance fluoropolymer elastomer (FKM) known for their high resistance to extreme heat, chemicals, and weathering. They are commonly used in applications requiring seals that can withstand temperatures between -15°F and 450°F in static applications, and up to 527°F for short periods. They are available in various formulations, including standard and specialty types like GLT, GFLT, and ETP.

Pros:
– High resistance to extreme heat and chemicals
– Excellent performance in harsh atmospheric conditions
– Resistant to oils, fuels, hydraulic fluids, and many organic solvents and chemic…
– Good resistance to aging, ozone, and UV radiation
– Low gas permeability and low compression set

Cons:
– Not recommended for use with steam, amines, or polar solvents
– More expensive compared to other materials like nitrile
– Full operation at high temperatures can shorten the parts’ lifetime

High Temp O Rings

Product Details: High-temperature O-rings are designed to withstand extreme temperatures and are made from various materials such as Viton®, Silicone, HNBR, PTFE, Kalrez®, and FFKM. These O-rings are used in applications like machine design, chemical processing, oil and gas, aerospace, and life sciences. They come in standard, inch, or metric sizes and can be customized for specific needs. High-temperature O-rings maintain their flexibility, shape, and sealing performance in temperatures ranging from -100°F to 615°F (-73.3°C to 308.3°C) depending on the material.

Pros:
– High temperature resistance, with some materials able to withstand temperatures…
– Excellent chemical and solvent resistance, making them suitable for harsh enviro…
– Available in various materials to meet different application requirements.
– Can be customized for specific sizes and colors for parts identification.
– Maintain sealing performance in static and dynamic applications.

Cons:
– Using the wrong material for the application can lead to seal failure, leaks, an…
– High-temperature O-rings can be more expensive than standard O-rings.
– Material degradation can occur if the O-ring is exposed to temperatures beyond i…
– Requires careful selection based on the specific media, application type, and pr…

China Silicone O Ring

Product Details: Silicone O-rings are synthetic elastomers based on silicon, with pendant organic groups such as methyl, phenyl, and vinyl attached to silicon atoms. They are available in various types, including VMQ, PVMQ, and FVMQ, and can be formulated to meet specific requirements such as FDA, USP Class VI, and other industry standards. They come in a wide range of hardness levels (30 to 80 durometer Shore A) and colors, and can be custom-made for various applications.

Pros:
– Excellent heat, ozone, and corona resistance
– Good dielectric stability and resistance to many oils, chemicals, and solvents
– Retains flexibility at low temperatures
– Non-toxic and biocompatible, making them suitable for medical and food applicati…
– Excellent electrical insulation properties
– Resistant to UV light, weathering, and fungal growth
– Can withstand extreme temperatures from -75°F to 450°F (-60°C to 232°C)

Cons:
– Low tensile strength and wear and tear resistance
– Not suitable for concentrated acids and alkalis
– Not recommended for steam above 120°C (248°F) or petroleum oils and fuels
– Can stretch easily during installation if in low durometers
– More expensive when platinum-cured, especially for medical applications

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

Product Details: Savvy manufactures a wide range of o-rings made from various materials including rubber, metal, and other materials. The most commonly used materials are NBR, FKM (Viton), and Silicone. NBR is widely used due to its good properties and low cost. FKM/Viton offers the best comprehensive performance and is used in high-standard sealing equipment. Silicone is often used in medical and food industries due to its FDA compliance, tastelessness, non-toxicity, and resistance to high temperatures and severe cold. O-rings are available in various hardness levels, typically measured in Shore A units, ranging from 40 to 90, with 60-70 being the most

common. They can be produced in different colors, and custom colors are available with specific RAL or Pantone color numbers.

Pros:
– Good property and low cost of NBR o-rings
– Best comprehensive performance of FKM/Viton o-rings
– FDA compliance, tastelessness, and non-toxicity of Silicone o-rings
– High temperature and severe cold resistance of Silicone o-rings
– Wide range of hardness levels and colors available
– Custom o-rings can be made at low mold/tooling cost with fast delivery

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 cost and require larger MOQ with longer del…

High Temperature Clear Silicone O-Rings

Product Details: High Temperature Clear Silicone O-Rings are made from silicone rubber. They are designed for use in applications that require excellent high and low temperature resistance. These O-rings are compatible with a wide range of temperatures and have good ozone and weather resistance.

Pros:
– Excellent high and low temperature resistance
– Good ozone resistance
– Good weather resistance

Cons:
– No specific cons mentioned on the webpage.

Comparison Table

Frequently Asked Questions (FAQs)

Frequently Asked Questions About High Temperature O-Ring Factories in China

What materials are commonly used for high-temperature O-rings in Chinese factories?

High-temperature O-rings in Chinese factories are often made from materials like Viton (FKM), silicone, and FEP. Viton is renowned for its excellent resistance to high temperatures, ozone, and various chemicals. Silicone O-rings are also popular for their high-temperature tolerance and are commonly used in medical and food industries. FEP O-rings, with their fluorocarbon jackets, offer superior chemical resistance and low friction.

How do Chinese manufacturers ensure the quality of their high-temperature O-rings?

Chinese manufacturers like Hongju and YOSON ensure the quality of their high-temperature O-rings through strict quality control processes. This includes designing and testing the O-rings using advanced CNC milling machines, compression molding, and both manual and machine testing to meet ISO standards. They also provide free samples for testing and use high-quality raw materials to prevent leakage and ensure durability.

What is the typical temperature range for high-temperature O-rings produced in China?

High-temperature O-rings produced in China can withstand a wide range of temperatures. For example, Viton O-rings can operate between -30°C to +250°C, while silicone O-rings can handle temperatures from -70°C to 220°C. FEP O-rings are capable of withstanding temperatures up to +575°F, making them suitable for extreme conditions.

Can I customize the size, material, and color of my high-temperature O-rings when ordering from Chinese factories?

Yes, you can customize the size, material, and color of your high-temperature O-rings when ordering from Chinese factories. Manufacturers like Savvy and Hongju offer customization services, allowing you to specify the exact size, material, and color you need. They can produce O-rings in various colors and materials, including special compounds, to meet your specific requirements.

How long does it take to manufacture and ship high-temperature O-rings from China?

The manufacturing and shipping time for high-temperature O-rings from China can vary but is generally efficient. Manufacturers often have a large inventory of standard sizes and can produce custom O-rings quickly. The production time is typically a few days to a few weeks, and shipping can take anywhere from a few days to a couple of weeks, depending on your location and the shipping method chosen.