CERULEAN N 12 : Premium NBR Seals for Superior Compression Set & Oil Resistance

Cerulean N 12 is a copolymer NBR-based elastomer specifically engineered to deliver exceptional resistance to oils, chemicals, and hydrocarbon solvents. This advanced material is ideal for industries such as oil and gas, automotive, and manufacturing, where exposure to aggressive media and harsh operating conditions is common. Its unique formulation ensures durability, flexibility, and long-term performance, making it a reliable choice for critical applications. Designed to meet the demands of modern industries, Cerulean N 12 is widely used in industrial seals, rubber O-rings, and high-performance seals, ensuring optimal performance even in the most challenging environments.

Material Data - CERULEAN N 12 (KINB12)

S.No	Description	ASTM Test Method	Unit	Spec
1	Hardness	D 2240	Shore A	60±5
2	Tensile Strength	D 412	MPa	13.8 (Min)
3	Extension Modulus @ 100% Elongation	D 412	MPa	1.7 (Min)
4	Elongation @ break	D 412	%	300 (Min)
5	Low Temperature Brittleness, 5hrs@ -40°C	D736	-	Pass
6	Compression Set, 70hrs@100°C (Plied Discs)	D395 Method B	%	20 (Max)
7	Compression Set on O Ring, 25% Compression, 70hrs@100°C, 3.81 mm or less C/S	D1414	%	30 (Max)
8	Compression Set on O Ring, 25% Compression, 70hrs@100°C, 3.84-5.08 mm C/S	D1414	%	25 (Max)
9	Compression Set on O Ring, 25% Compression, 70hrs@100°C, 5.11 7.24 mm C/S	D1414	%	20 (Max)
10	Compression Set on O Ring, 25% Compression, 70hrs@100°C, Over 7.24 mm C/S	D1414	%	20 (Max)
11	Air Oven Ageing, 70hrs@100°C Hardness Change Tensile Change Elongation Change Surface Condition	D573	Pts. % % -	0 to +10 -25 (Max) -30 (Max) No Cracks
12	Oil Immersion, 70hrs @100°C in IRM 901 Oil Hardness Change Tensile Change Elongation Change Surface Condition	D471	Pts. % % %	-5 to +10 -25 (Max) -35 (Max) -1 to +15
13	Oil Immersion, 70hrs@ 100°C in IRM 903 Oil Hardness Change Tensile Change Elongation Change Surface Condition	D471	Pts. % % %	-15 to +5 -50 (Max) -50 (Max) 0 to +35
14	Distilled Water Immersion, 70hrs@100°C Hardness Change Volume Change	D471	Pts. %	-10 to +10 0 to +15
15	50% Methyl Alcohol in Water Immersion, 70hrs@Boiling Point Hardness Change Volume Change	D471	Pts. %	-10 to +10 0 to +15
16	Stock Identification	D297	-	NBR

Compatibility Chart Data Sheet

Cerulean N 12 properties

Engineered by ISMAT, this state-of-the-art sealing solution is crafted from top-tier materials sourced from globally trusted suppliers. Rigorous in-house testing ensures it meets the highest standards for performance and reliability.

ISMAT specializes in providing gaskets and seals tailored to meet the unique demands of industries operating in challenging conditions. Whether you need mechanical seals, or custom-engineered solutions, ISMAT delivers products that enhance equipment performance and longevity.

Discover the benefits of custom-made O-rings and seals, and learn how low-temperature O-rings perform in extreme environments. Explore the importance of O-rings in preventing leakage and why ISMAT is recognized as one of the top suppliers of O-rings and seals.

To explore how ISMAT’s sealing solutions can enhance your operations or to discuss tailored O-rings and seals for your industry, reach out to ISMAT today.

Cerulean N 12 Product Range

ISMAT leverages Cerulean N 12 copolymer Nitrile Butadiene Rubber (NBR) variants to deliver superior compression set performance and oil resistance through NBR O-rings, NBR X-rings, NBR hoses, NBR pumps and custom molded parts for demanding industrial applications. The copolymer NBR elastomer formulation provides 60±5 Shore A hardness, 13.8 MPa minimum tensile strength, 300% minimum elongation at break, 1.7 MPa modulus at 100% elongation, ≤20% compression set (70hrs@100°C plied discs), ≤20-30% compression set on O-rings (size-dependent, 70hrs@100°C), pass low-temp brittleness at -40°C, higher resistance to wide range of oils, excellent hydrocarbon solvent resistance, good chemical resistance and operating temperatures from -40°C to +125°C with exceptional mechanical reliability.