Chemical Resistant O-Rings by Polypac

Chemical Resistant O-Rings by Polypac

Polypac Chemical Resistant O-Rings are engineered to provide dependable sealing in aggressive chemical and high-temperature environments. Backed by a 10,000+ m2 production facility and advanced testing equipment, our O-rings are designed for long service life, low maintenance and reliable operation across industries.

Materials and Performance

We offer O-rings in a range of materials selected for chemical compatibility and performance:

• NBR: Excellent for oils and fuels, cost-effective for general industry use.
• FKM (Viton): High resistance to aggressive chemicals and high temperatures.
• FFKM: Top-tier chemical resistance for the most demanding media and extreme conditions.
• EPDM: Good for steam, brake fluids and some acids; weather and ozone resistant.
• Silicone: Wide temperature range and flexibility for food and medical applications.

Each material is chosen to match application needs, balancing chemical compatibility, temperature range and mechanical wear.

Typical Applications

Polypac Chemical Resistant O-Rings are used in pumps, valves, hydraulics, chemical processing, pharmaceutical equipment and instrumentation. They protect systems from leaks, contamination and downtime in sectors where chemical exposure is frequent.

Quality, Testing and Customization

Founded in 2008, Polypac began with filled PTFE seals and has grown into one of China’s leading seal manufacturers. Our factory space and modern equipment allow strict control of production and comprehensive testing. We work closely with universities and research institutions to improve formulas and test methods.

We provide custom sizes, compound formulations and low-volume to mass production runs. Every O-ring undergoes dimensional inspection, hardness testing and chemical compatibility checks to ensure performance and safety.

Why Choose Polypac?

Polypac combines technical expertise, material science and scalable manufacturing to deliver O-rings that customers trust. Whether you need standard parts or engineered seals for special working conditions, our team offers practical solutions with consistent quality and fast delivery.

Contact Polypac to discuss your application and select the right chemical resistant O-ring for reliable, long-term sealing performance.