Viton vs Silicone O-Rings: Which is the Best Choice
When an O-ring fails, the problem is not always caused by poor manufacturing or incorrect dimensions. In many cases, the real issue starts with material
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Ample inventory and timely global delivery: With our professional sealing product manufacturing plant, we ensure ample inventory and timely supply to meet the needs of our global customers.
Efficient search tool: Intuitive operation and fast response help you accurately match part numbers, product details, inventory status and real-time quotes through custom parameters, making purchasing decisions more efficient.
Tailor-made expert guidance: Our knowledgeable and experienced technical sales team is ready to provide you with one-on-one customized support through various channels (online consultation, telephone, or online chat). We ensure you receive the precise sealing products that best meet your specific application needs every time.
Choose KODA O-rings and seals as your trusted manufacturer – we are committed to helping you quickly and easily obtain the precise O-rings or seals needed for your applications.
Professional engineering design support and precise material selection services.
Own large-scale production base; products sold to numerous countries and regions worldwide.
Relying on authoritative certifications, a comprehensive quality management system, and stringent product standards, we comprehensively guarantee quality.
Deeply rooted in multiple industries, we have accumulated rich experience in market implementation and application scenarios.
By partnering with us, you will enjoy the technical support of our professional team and tailor-made, precise solutions to ensure the success of your projects.

At KODA, customers can choose from a wide range of seals from leading manufacturers, ensuring reliability, durability, and superior performance. Our extensive product catalog covers various product types, including TC oil seals, TA oil seals, TB oil seals, valve stem seals, custom oil seals, O-rings, custom rubber components, air brake diaphragms, truck engine mounts, and more, meeting the needs of numerous industries.
Our company is committed to the pursuit of excellence, focusing on supplying high-performance seals made from carefully selected premium materials and precision engineering. This unwavering commitment to quality ensures that KODA seals possess outstanding heavy-duty resistance and wear resistance, enabling stable operation under various harsh conditions.
KODA deeply understands the core value of customized solutions for our clients’ businesses. Our experienced team of professionals is always ready to precisely match you with sealing solutions tailored to your specific application scenarios. Whether your needs focus on automotive parts, industrial machinery, or other equipment sectors, KODA is committed to providing high-quality products that exceed industry standards, helping your business operate efficiently.
KODAoffers the most diverse material options in the market. We supply oil seals and o-rings in any size, material,
durometer and performance requirements. Specialty material development and design support are typically available at no cost.

Communicate with our experienced professionals to find innovative product and service solutions. Our office hours are Monday to Friday, 8:30 AM to 6:00 PM Beijing time. We will reply to your email within hours (or even minutes).

KODA sales team has a team of experienced engineers who are available to provide conference call services and offer material and design support for specific applications to address any sealing challenges.

We collaborate with you to tailor products and services to your specific needs, or provide fully customized solutions. We can meet your requirements for custom oil seals, O-rings, square rings, X-rings, and other seals in virtually any material.

Our integrated O-ring and oil seal inventory network enables us to access stock materials in real time and provide fast, accurate quotes, so you can rest assured that your order is on its way.

We offer over 2,000 materials, providing performance and price advantages for your applications. Popular materials such as Kalrez, Viton, and Parker are readily available, and in-stock products can be shipped the same day.

We consult with you to learn the unique requirements of your application and help build a solution that provides the performance you need while staying on time and on budget.
When an O-ring fails, the problem is not always caused by poor manufacturing or incorrect dimensions. In many cases, the real issue starts with material
Do silicone O-rings stretch?Yes. Silicone O-rings are flexible elastomeric seals that can be stretched during installation, but flexibility does not mean unlimited elongation is acceptable.
Silicone and food-grade silicone are not automatically the same thing. Silicone rubber is widely used for O-rings, gaskets, tubing, seals, electrical components, automotive parts, medical