Construction Machinery Seals — Polypac Hydraulic & Oil Seals

Product Overview

Polypac Construction Machinery Seals are engineered to protect hydraulic systems in excavators, loaders, bulldozers and other heavy equipment. Combining decades of seal expertise with modern production, our seals reduce leakage, extend component life and cut downtime.

Key Features

• High durability and wear resistance for heavy-duty use
• Excellent resistance to pressure, oil and common hydraulic fluids
• Temperature and chemical stability for harsh jobsite conditions
• Precision manufacturing for reliable sealing and easy installation

Materials & Typical Applications

We produce filled PTFE seals (bronze, carbon, graphite, MoS₂, glass) ideal for sliding surfaces and high-wear environments. Our rubber O-rings are available in NBR, FKM, silicone, EPDM and FFKM to meet diverse needs—from general hydraulic use to high-temperature and chemically aggressive situations. Common applications include hydraulic cylinders, pumps, motors, pivot joints and rotary unions.

Why Choose Polypac

Founded in 2008, Polypac combines research-driven development with large-scale production. Our custom rubber ring and O-ring factory spans over 10,000 m² with 8,000 m² of workshop space and industry-leading production and testing equipment. We collaborate with universities and research centers to keep materials and designs at the cutting edge.

Customization & Quality Assurance

We offer tailored sealing solutions for special working conditions—whether you need bespoke dimensions, a specific material blend, or a seal designed for abrasive, high-pressure or high-temperature environments. Every seal undergoes strict testing to ensure performance and durability, giving you confidence in the field.

Service & Value

Polypac is focused on practical value: longer service life, lower maintenance costs, and clear technical support. Our team works closely with customers to select or design the right seal, ensuring equipment uptime and protecting your investment.

Contact Polypac for reliable construction machinery seals and custom sealing solutions built for the toughest jobsites.