Polypac Excavator Rod Seal — Reliable Hydraulic Rod Seals

Overview

Polypac Excavator Rod Seal is designed to protect hydraulic cylinders from leakage, contamination, and wear in harsh construction environments. Built for excavators and heavy machinery, our rod seals balance low friction with strong sealing to extend cylinder life and improve reliability.

Key Benefits

• Durable performance: Made from High Quality sealing compounds and advanced PTFE blends that resist abrasion and extrusion under high pressure.
• Excellent contamination resistance: Keeps dust, mud and water out of the cylinder to prevent internal wear and downtime.
• Wide temperature and chemical compatibility: Suitable for common hydraulic fluids and a broad operating temperature range.
• Low friction & smooth operation: Reduces energy loss and heat generation for more efficient hydraulics.
• Easy installation & retrofit-friendly: Designed to fit standard excavator rod grooves and support quick replacement.

Materials & Customization

Polypac offers rod seals in a variety of materials to match your working conditions, including filled PTFE (bronze, carbon, MoS2), NBR, FKM, EPDM, silicone and advanced FFKM. We provide customized hardness, profiles, and dimensions for special applications or extreme environments.

Why Choose Polypac

Founded in 2008, Polypac is a scientific and technical hydraulic seal manufacturer with a 10,000+ sqm facility and 8,000 sqm production area. Our advanced production and testing equipment, combined with long-term research partnerships, ensure consistent quality and performance. We began with filled PTFE seals and now supply O-rings and seals across many materials.

Quality & Service

Every Excavator Rod Seal undergoes rigorous testing to meet pressure, wear and leakage standards. We support OEMs and end-users with technical guidance, fast prototyping, and volume production. Our team treats every customer as a partner — providing responsive support and tailored sealing solutions.

Choose Polypac Excavator Rod Seals to reduce maintenance costs, improve machine uptime, and protect your hydraulic systems in the toughest conditions. Contact us for material recommendations, custom designs, and sample testing.