Dawn Group Co. , Ltd
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Polymer Materials
HNBR
Product Parameters
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1. Introduction of HNBR

Hydrogenated butadiene-acrylonitrile rubber (HNBR) is a highly saturated elastomer which is treated by catalytic hydrogenation of nitrile rubber (NBR). Compared with NBR, the molecular structure of HNBR contains a small amount or no carbon-carbon double bonds. The HNBR has better thermal oxygen aging, ozone resistance, radiation resistance, chemical medium resistance (acid, alkali, methane, refrigerant, hydrogen sulfide) and good dynamic properties than NBR, while maintaining the oil resistance and wear resistance of NBR. The HNBR is a special rubber with excellent comprehensive properties, which is a national strategic material.

Currently, HNBR is widely used in aerospace, automotive industry, oil drilling, machinery manufacturing, textile & printing and other fields. It is mainly used in automobile fuel system components, auto transmission belts, drilling confinements, packer rubber tubes of oil wells, submersible pump cable sheaths of ultra-deep wells, bops, directional drillings, stator motor matching hoses of offshore oil drilling platforms, seals of aeronautics and astronautics, tank track pads, foam cushioning materials, seals of nuclear industry, hydraulic pipes, air conditioning seal products, textile & printing rubber rollers, etc.

2. The series products of Dawn HNBR

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产品牌号

Grades

丙烯腈含量,%

Acrylonitrile content(±1.5

门尼粘度

Mooney viscosity ML1+4100℃(±5

碘值

Iodine value mg/100mg

特性及用途

Features and Application

DN3405

34

50-60

4-10

耐热性优异,适用于同步带、多楔带、O型圈、垫片和密封件等。

Excellent heat resistance for use in synchronous belts, V-belts, O-rings, gaskets and seals, etc.

DN3418

34

80

12-20

标准中高腈牌号,动态性能和加工性能优异,适用于同步带、O型圈、垫片、油封及石油工业配件等。

Standard of medium & high ACN grade with excellent dynamic properties and processing, especially  suitable  for synchronous belts, O-rings, gaskets, oil seals and oil industry accessories, etc.

DN3419

34

100

12-20

DN3418的高门尼牌号。

High Mooney grade similar to DN3418.

DN3428

34

80

24-32

优异的低温压缩永久变形和耐油性能,适用于耐油密封件、胶辊和动态油田组件等。

Excellent permanent set at low temperature and oil resistanceespecially suitable for oil seals, rolls and dynamic oil field components, etc.




























Shandong Dawn Special Elastomer Material Co., Ltd.
Contact:0535-8831057(Sales Department)
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