Polypac RSJ Seals – Reliable Hydraulic O-Rings & Custom Seals

Polypac RSJ Seals — Trusted Sealing Solutions

Polypac RSJ Seals are precision hydraulic seals and O-rings designed for reliable performance in industrial and mobile applications. Backed by over a decade of material expertise and advanced manufacturing, our seals keep systems leak-free, efficient, and safe.

Why Choose RSJ Seals from Polypac

Simple reasons make RSJ Seals a smart choice: proven materials, strict quality control, and tailored solutions. Our seals are made to withstand pressure, temperature changes, and harsh fluids common in hydraulic systems.

Materials & Product Range

Polypac started in 2008 producing filled PTFE seals (bronze, carbon, graphite, MoS₂, glass). Today RSJ Seals include a wide selection of materials to suit different environments: NBR for general use, FKM for high heat and chemical resistance, EPDM for weather and steam, silicone for low temperature flexibility, and High Quality FFKM for extreme chemical resistance. We also supply custom rubber rings and O-rings tailored to your needs.

Quality & Manufacturing

Our custom rubber ring and O-ring factory covers more than 10,000 m², with 8,000 m² of production space. We use industry-leading production and testing equipment to ensure consistent dimensions, material integrity, and long service life. Polypac collaborates with universities and research institutions to keep improving materials and processes.

Applications

RSJ Seals are ideal for hydraulic equipment, oil and gas systems, construction machinery, marine systems, and industrial pumps. They perform well under pressure, resist common hydraulic fluids, and maintain sealing performance over many cycles.

Customization & Support

Need a seal for a special working condition? Polypac offers rapid customization — from compound selection to dimensional design and prototype testing. Our technical team guides you through material choice and installation tips to ensure optimal performance.

Choose Polypac RSJ Seals for reliable sealing, strong technical support, and proven manufacturing quality. Contact us to discuss custom options or request samples.