Polypac Custom O-Rings Manufacturer

Polypac Custom O-Rings Manufacturer

Polypac is a scientific and technical hydraulic seal manufacturer and oil seal supplier focused on delivering reliable, custom O-rings and rubber seals. Since 2008, we have grown into one of China’s leading seal makers, combining advanced equipment, large-scale production, and ongoing R&D partnerships with universities and research centers.

Why Choose Polypac?

Our factory spans over 10,000 m² with 8,000 m² of production space and industry-leading testing equipment. That scale lets us control quality, shorten lead times, and produce stable batches for OEMs and distributors. We started with filled PTFE seals and expanded into versatile elastomers to meet a wide range of operating conditions.

Materials & Applications

We offer O-rings in commonly used and high-performance materials: NBR, FKM, silicone, EPDM, and FFKM. Whether your needs are hydraulic systems, oil seals, chemical resistance, high temperature, or food-grade applications, we can recommend the best material and design. Our experience with bronze-, carbon-, graphite-, MoS₂-, and glass-filled PTFE adds depth to solutions for special environments.

Quality, Customization & Testing

Every seal is manufactured under strict quality control and tested to meet performance expectations. We provide custom sizes, compounds, and tolerances to match unique equipment and harsh working conditions. Close collaboration with research institutes helps us develop improved sealing materials and long-lasting solutions.

Benefits at a Glance

• Large, modern factory ensures consistent supply
• Wide material range for most industries and environments
• Custom design and rapid prototyping available
• Strong R&D partnerships and advanced testing

Choose Polypac for dependable, tailored O-rings that protect performance and reduce downtime. Contact us to discuss your sealing needs and get a fast quote.