Polypac NBR O-Rings — Reliable Nitrile Rubber Seals

Product Overview

Polypac NBR O-Rings are precision-molded sealing rings made from high-quality Nitrile Butadiene Rubber (NBR). Designed for hydraulic and oil applications, they deliver stable sealing performance, long service life, and cost-effective reliability. Produced in our modern factory with advanced testing equipment, these O-rings suit a wide range of industrial uses.

Key Features

- Excellent oil and fuel resistance, making them ideal for engines, pumps, valves, and hydraulic systems.
- Good abrasion and wear resistance for longer life under dynamic movement.
- Wide hardness and size options for proper fit and sealing force.
- Stable performance in typical operating temperatures for NBR (suitable for many common industrial environments).
- Strict quality control and testing to ensure consistent performance.

Applications

Polypac NBR O-Rings are commonly used in hydraulic cylinders, pneumatic systems, gear boxes, fuel systems, compressors, and general machinery. They are especially suited wherever oil, petroleum, or moderate chemical exposure occurs and reliable sealing is critical.

Why Choose Polypac

Founded in 2008, Polypac combines deep sealing expertise with strong research partnerships. Our factory spans over 10,000 square meters with 8,000 square meters of production space and advanced equipment. We partner with universities and research labs to stay ahead in material development and seal design.

Customization & Quality

We offer custom rubber rings and O-rings in a range of sizes, hardness values, and compound formulations. Whether you need a standard size or a tailored solution for special working conditions, our team provides practical recommendations, rapid prototyping, and strict testing to ensure your parts meet expectations.

Ordering & Support

Polypac values each customer. We deliver clear lead times, competitive pricing, and responsive technical support. For quotes, material datasheets, or seal selection help, contact our sales team — we’ll help you choose the right NBR O-ring for your application and ensure reliable sealing performance.