SINOPEC HNBR

Introduction

Sinopec’s Hydrogenated Nitrile Butadiene Rubber (HNBR) is a high-performance specialty rubber independently developed by Qilu Petrochemical.

Performance

It boasts high mechanical strength alongside excellent resistance to oil, heat, ozone, compression set, and abrasion. HNBR withstands temperatures ranging from 130°C to 180°C and remains functional in cold environments between -55°C and -38°C.

Applications

As a rubber material with outstanding overall properties, it is widely used in sectors such as automotive manufacturing, oilfield operations, lithium-ion batteries, aerospace, and the defense industry. Its superior mechanical properties enable it to meet the rigorous demands of high-end industries, such as the automotive sector, better than other polymers.

Technical Data Sheet


SINOPEC HNBR	Acrylonitrile Content%	Mooney Viscosity	Hydrogenation Degree	Volatile Matter %	Ash Content %
HNBR 3601	33±3.5	85±5	≥99	0.6	0.8
HNBR 3605	33±3.5	85±5	95±2	0.6	0.8
HNBR 3305L	33±3.5	60±5	95±2	0.6	0.8
HNBR 3310L	33±3.5	60±5	91±2	0.6	0.8
HNBR 3603	36±2	90±5	95±2	0.6	0.8
HNBR 3605D	36±3.5	80±5	95±2	0.6	0.8
HNBR 3301L	33±2	60±10	≥99	0.6	0.8
HNBR 3303	33±3.5	85±5	95±2	0.6	0.8

Substitute to


SINOPEC	Dawn	Zannan	Zetpol	Therban	Acrylonitrile Content	Mooney Viscosity	Degrees of Saturation
3601	3408	35058	2000		33	85	99
3605	3428				33	85	95
3605D		35158	2010	3605D	36	85	95
3603	3418			3629	36	90	97
3305L		35156	2010L	3446	33	60	95
3310L		35256	2020L		33	60	90