Polypac Mining Cylinder Seal — Durable Sealing for Harsh Mining

Mining Cylinder Seal by Polypac

Polypac Mining Cylinder Seal is designed for the toughest mining applications. Built to resist heavy abrasion, high pressure, dust and extreme temperatures, our seals keep hydraulic cylinders running reliably longer with minimal maintenance.

Why choose Polypac?

Founded in 2008, Polypac is a scientific and technical hydraulic seal manufacturer with over 10,000 m² of factory space and advanced production and testing equipment. We began with filled PTFE seals and now offer a wide range of materials and customized solutions. Long-term partnerships with universities and research institutes ensure our products are proven and up-to-date.

Key features & benefits

• Durability: Special materials such as bronze-, carbon-, graphite-, MoS2- and glass-filled PTFE resist wear and extend seal life.
• Low friction: Optimized materials and profiles reduce stick-slip and improve cylinder responsiveness.
• Wide material range: Rubber O-rings and backup seals in NBR, FKM, silicone, EPDM and high-performance FFKM meet diverse fluid and temperature needs.
• Custom solutions: Tailored sizes, compounds and profiles for specific mining equipment and working conditions.
• Strict quality control: Advanced testing ensures leak-free performance under high pressure, abrasive slurry and temperature extremes.

Applications

Ideal for hydraulic cylinders in excavators, loaders, drills, conveyors and other heavy mining machinery. Polypac seals are suitable for both new equipment and OEM replacement parts.

Easy to specify and install

We provide clear part identification, installation guidance and rapid prototyping. Our engineering team helps match materials and designs to your operating conditions to maximize uptime and reduce lifecycle costs.

Contact Polypac today for custom mining cylinder seal solutions that deliver reliable performance in the most demanding environments.