Linde Polymer Tec Co.,Ltd. is one of the most experienced manufacturers and suppliers of vulcanized o-rings in China, also supports customized service. Please feel free to buy high quality vulcanized o-rings for sale here from our factory.
Products Description
Vulcanized O-rings are suitable for static sealing applications, especially when molded O-rings cannot be used due to large or non-standard sizes, when only a small number of O-rings are required, and when O-rings need to be obtained quickly and cannot wait for the lead time of molded production, vulcanized O-rings are a good choice.

Key Features
- Customization: Vulcanized O-rings can accommodate large diameters and non-standard sizes during the manufacturing process, making them ideal for static sealing applications where molded O-rings cannot be used.
- For Static Sealing: Suitable for applications where there are no moving parts in contact.
- Fast Turnaround Time: Vulcanized O-rings can be produced quickly, often within 2 business days or even the same day, making them ideal for emergency applications.
- Cost Effectiveness: For small quantities or custom sizes, vulcanized seals are often more economical because they do not require the expensive mold manufacturing process associated with molded O-rings.
Application
1. Static Sealing Applications
Vulcanized O-rings are ideal for static applications where there are no moving parts in contact with the seal. They can effectively seal flanges, covers, and other components in environments where movement may compromise the integrity of traditional molded O-rings.
2. Industrial Uses
Filtration Systems: Used to seal connections in filtration units to prevent leaks.
Pharmaceutical Equipment: Ensures a sterile environment by providing a reliable seal.
Pipe and Flange Seals: Effectively seal irregular shapes and sizes, especially when custom sizes are required.
Material
Vulcanized O-rings are available in a variety of elastomeric materials, such as Buna N, EPDM, Neoprene, and Viton®, to meet different chemical media and environmental requirements. In addition, they meet ISO 3601-3 and CS grade standards.
Our Advantages
R&D Advantages
30 years of experience in rubber formula design, 2000+ formulas. Comply with 85% automotive material specifications and authoritative certifications such as UL/NSF/FDA/KIWA/MPA.
Manufacturing Advantages
Cooperating with world-class material suppliers such as DuPont, we have more than 30 years of experience in compounding, mold design, and production, a group of manufacturing and inspection talents with more than 10 years of experience, and dozens of automated equipment.
Product Advantages
Mainly produces more than 2,000 product specifications such as O-rings, customized products, backing rings, oil seals, etc. The products are suitable for automobiles, aviation, machinery, drinking water, medical, pneumatic hydraulics, food, and other fields.
Certification
Quality Management and Environmental Management Certification



Our mold design, mold making, formulation design, material mixing, testing, molding, deburring, and PPAP (Production Part Approval Process) are all done in-house. Emergency supply and fast production of custom parts can be ensured. You can contact us for more information about seals.
Our address
No. 535, Xinmin Avenue, Tong'an District, Xiamen, China
Phone Number
(86) 592 5383645
(86) 18064435932
amy@lindepolymer.com
mina@lindepolymer.com

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