Polypac Heavy Industrial Seal

Product Overview

Polypac Heavy Industrial Seal is designed for demanding hydraulic and oil sealing tasks in heavy industry. Backed by a 10,000 m² facility (8,000 m² production space) and advanced testing equipment, Polypac combines decades of expertise to deliver reliable seals that stand up to high pressure, temperature swings, and aggressive media.

Key Features & Advantages

• Long-lasting performance: low wear and extended service life reduce downtime and maintenance costs.
• Excellent chemical and temperature resistance for harsh environments.
• Low friction and tight sealing for improved system efficiency.
• Wide material range: PTFE-filled varieties and elastomers to suit specific needs.

Materials & Customization

Polypac began in 2008 with filled PTFE seals—bronze, carbon, graphite, MoS₂, and glass-filled PTFE—and now offers custom O-rings in NBR, FKM, silicone, EPDM, and FFKM. We specialize in tailored solutions for special working conditions, combining material R&D with flexible production to meet temperature, chemical, and mechanical demands.

Typical Applications

Ideal for hydraulic cylinders, oil seals, heavy machinery, mining equipment, construction gear, marine systems, and aggressive chemical environments. Polypac seals perform where reliability and safety matter most.

Why Choose Polypac

As one of China’s leading seal manufacturers, Polypac maintains long-term collaboration with universities and research institutes to keep product quality and innovation at the forefront. Our advanced production lines and rigorous testing ensure each seal meets strict performance standards.

Buy with Confidence

Whether you need a standard hydraulic seal or a custom O-ring for extreme conditions, Polypac offers professional support from material selection to final delivery. Contact us for samples, technical guidance, and fast quotes to keep your equipment running smoothly.