Polypac Nitrile O-Ring (NBR) — Durable, Oil-Resistant Seals

Product Overview

Polypac Nitrile O-Rings (NBR) are precision-made rubber seals designed for reliable oil and fuel resistance. Manufactured by Polypac, a technical seal producer with a modern 10,000+ m² facility, these O-rings suit hydraulic systems, pumps, valves, engines and general industrial use.

Why Nitrile (NBR)?

Nitrile rubber offers excellent resistance to oils, fuels and many hydraulic fluids. It works well in a wide temperature range (typically -40°C to 120°C) and provides good mechanical strength and wear resistance. For many everyday sealing tasks, NBR is a cost-effective, dependable choice.

Key Features & Benefits

Polypac Nitrile O-Rings are made with industry-grade materials and strict quality control to ensure long service life and stable performance:

• Oil and fuel resistance for hydraulic and automotive applications
• Consistent hardness and dimensional accuracy
• Wide size range and standard AS568 sizes available
• Good compression set resistance and durability
• Fast turnaround for custom sizes and small to large orders

Quality You Can Trust

Our production line includes advanced mixing, molding and testing equipment. Polypac maintains long-term partnerships with universities and research labs to keep materials and processes up to date. Every batch undergoes inspection to meet customer specifications and performance standards.

Applications

Common uses for Polypac Nitrile O-Rings include:

• Hydraulic cylinders and pumps
• Automotive fuel systems and engines
• Pneumatic devices and valves
• Industrial machinery and oil-handling equipment

Customization & Support

Polypac specializes in custom sealing solutions for special working conditions. We offer tailored compounds, sizes and treatments to meet unique applications. Our technical team provides fast consultation, material recommendations and testing support to ensure the right seal for your project.

Order & Contact

For samples, quotes or technical questions, contact Polypac sales. With a large factory footprint and advanced testing, we deliver reliable Nitrile O-Rings that keep your systems sealed and running smoothly.