Polypac Rod Seals for Hydraulic Cylinders — Precision Sealing Solutions

Polypac Rod Seals for Hydraulic Cylinders — Precision Sealing Solutions

Expertise & Capacity

Polypac is a scientific and technical hydraulic seal manufacturer and oil seal supplier specializing in seal production, sealing material development, and customized sealing solutions. Founded in 2008, our custom rubber ring and O-ring factory occupies over 10,000 m² with 8,000 m² of production space. We leverage advanced production and testing equipment and long-term partnerships with universities and research institutes to deliver rod seals for hydraulic cylinders with consistent quality and traceability.

Advanced Materials & Performance

We pioneered filled PTFE seals—bronze, carbon, graphite, MoS₂ and glass filled—offering low friction, high wear resistance and excellent extrusion protection. For rod seals for hydraulic cylinders, Polypac also supplies elastomers including NBR, FKM, silicone, EPDM and FFKM to meet temperature, chemical and dynamic sealing requirements. Material selection is optimized for friction, sealing reliability and service life in both mobile and industrial hydraulics.

Custom Design & Rigorous Testing

Polypac provides tailored rod seal for hydraulic cylinders designs to suit pressure, speed, temperature and contamination conditions. Our in-house prototyping and testing capabilities include dynamic testing, dimensional inspection and material certification. We validate seals against customer specifications and international standards to ensure leak-free performance under real-world conditions.

Applications & Customer Benefits

Our rod seals serve construction machinery, agricultural equipment, mining, oil & gas, and industrial hydraulic systems. Key benefits include reduced leakage, extended service intervals, lower energy loss from friction, and improved reliability in harsh or contaminated environments. Polypac’s solutions help customers cut maintenance costs and maximize uptime.

Why Choose Polypac

As one of China’s largest dedicated seal developers, Polypac combines scale, R&D depth and fast customization. From prototype to volume production, we ensure competitive lead times, strict quality control and global logistics. Contact Polypac to specify rod seals for hydraulic cylinders tailored to your application and receive expert material recommendations, samples and testing support.