Cerulean N 03LT is a copolymer NBR-based elastomer specially formulated for low-temperature applications, offering excellent resistance to oils, chemicals, and hydrocarbon solvents. This makes it an ideal choice for industries such as oil and gas, automotive, and manufacturing, where performance in cold environments is critical. As part of ISMAT’s advanced sealing solutions, Cerulean N 03LT is ideal for applications requiring industrial-grade sealing, precision engineering, and reliable performance in harsh environments.
| S.No | Description | ASTM Test Method | Unit | Spec |
|---|---|---|---|---|
| 1 | Hardness | D 2240 | Shore A | 90±5 |
| 2 | Tensile Strength | D 412 | MPa | 8 (Min) |
| 3 | Elongation @ break | D 412 | % | 100 (Min) |
| 4 | Compression Set 22hrs@100°C | D 395 Method B | % | 25 (Max) |
| Compression Set 70hrs@100°C | % | 35 (Max) | ||
| 5 | Operating Temperatures | °C | -45°C to +107°C |
Developed by ISMAT, this advanced sealing solution is manufactured using premium-grade materials sourced from globally recognized suppliers. Rigorously tested in-house, it meets the highest performance standards, making it suitable for high-performance O-rings and gaskets and other critical sealing applications.
ISMAT specializes in advanced sealing technology, offering solutions that enhance equipment performance and longevity in challenging environments. Whether you need high-performance seals for automotive applications or custom-engineered seals for industrial machinery, ISMAT delivers products that ensure reliability and durability.
Discover the benefits of using high-performance seals in industrial machinery and learn how high-performance seals extend equipment lifespan. Explore the differences between high-performance seals and standard seals and why ISMAT is recognized as one of the top manufacturers of high-performance seals.
ISMAT leverages Cerulean N 03LT copolymer Nitrile Butadiene Rubber (NBR) variants to deliver superior low-temperature oil resistance through low-temperature NBR oil seals, low-temperature NBR hoses, low-temperature NBR pump components and low-temperature NBR backup seals for demanding industrial applications. The copolymer NBR elastomer formulation provides 90±5 Shore A hardness, 8 MPa minimum tensile strength, 100% minimum elongation at break, ≤25% compression set (22hrs@100°C), ≤35% compression set (70hrs@100°C), excellent oil/hydrocarbon/chemical resistance and operating temperatures from -45°C to +107°C with exceptional mechanical reliability.
Hardness (Shore A): 90±5
Temp Range: -45°C to 107°C
Higher Resistance to a Wide Range of Oils
Excellent Low Temperature Properties

Excellent Resistance to Hydrocarbon Solvents
Good Resistance to Chemicals
Automobile
Chemical