道恩集团有限公司
高分子新材料
氢化丁腈橡胶
产品参数
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1. HNBR简介


HNBR是由丁腈橡胶(NBR)经加氢处理而得到的一种高度饱和的特种弹性体。与NBR相比,HNBR分子结构中含少量或不含碳碳双键,在保持NBR耐油、耐磨等性能的同时,还具备更优异的耐热氧老化、耐臭氧、耐辐射、耐化学介质(酸、碱、甲烷、冷媒、硫化氢)和良好的动态性能,是一种综合性能优异的特种橡胶,属国家战略物资。

目前HNBR在航空航天、汽车工业、石油钻井、机械制造、纺织印刷等行业领域应用广泛,主要用于汽车燃油系统零部件、汽车传动带、钻井保护罩、油井封隔器胶筒、超深井用潜油泵电缆护套、防喷器、定向采油用定子电机、海洋石油钻井平台配套软管、航空航天用密封件、坦克履带衬垫、发泡减震材料、核工业密封件、液压管、空调密封制品、纺织印刷胶辊等方面。

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.道恩HNBR系列产品 The series products of Dawn HNBR

产品牌号

Grades

丙烯腈含量,%

Acrylonitrile content(±1.5)

门尼粘度

Mooney viscosityML1+4,100℃(±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 resistance,especially suitable for oil seals, rolls and dynamic oil field components, etc.


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