Polypac Hydraulic Cylinder Seals

Overview

Polypac hydraulic cylinder seals are engineered to provide dependable, long-lasting sealing for hydraulic cylinders in industrial, mobile, and offshore applications. Backed by our decades of material expertise and precision manufacturing, these seals minimize leaks, reduce friction, and extend cylinder life.

Why Choose Polypac Seals?

Proven Materials

We use a wide range of proven materials including bronze-filled, carbon-filled, graphite PTFE, MoS2-filled and glass-filled PTFE, as well as elastomers such as NBR, FKM, silicone, EPDM and FFKM. This lets us match the right compound to temperature, pressure and fluid compatibility requirements.

Custom Solutions

Every hydraulic system is different. Polypac offers customized designs and sizes to fit non-standard cylinders and special working conditions, ensuring optimal performance and longevity.

Factory & Quality

Advanced Production

Our custom rubber ring and O-ring factory covers over 10,000 m² with 8,000 m² of production space. We use industry-leading production and testing equipment to ensure consistent quality and tight tolerances.

R&D & Testing

Polypac maintains long-term partnerships with universities and research institutes, enabling continuous material development and rigorous testing. Each seal batch undergoes strict inspection to guarantee leak-free performance under pressure.

Key Benefits

• Reliable sealing: minimizes hydraulic fluid loss and contamination.
• Low friction: reduces wear and improves cylinder efficiency.
• Wide material choices: durable under heat, pressure and chemical exposure.
• Custom sizes: designed for standard and special cylinders.
• Strict QA: consistent performance from prototype to mass production.

Applications

Ideal for construction equipment, agricultural machinery, industrial presses, marine hydraulics and any system requiring robust, leak-free hydraulic cylinders.

Contact Polypac

Founded in 2008, Polypac combines material science and precision manufacturing to deliver sealing solutions you can trust. Contact us for technical support, material recommendations, or custom hydraulic cylinder seal design.