Hydrogenated Nitrile Butadiene Rubber, also known as Highly Saturated Nitrile (HSN), is produced by hydrogenating acrylonitrile butadiene rubber (NBR).This process improves the heat and ozone resistance, increases tensile strength, and provides superior abrasion resistance. The result is a rubber polymer that performs superior to standard NBR in most sealing applications.

 

Taking advantage of its inherent properties, HNBR can be compounded to provide excellent service life in applications such as oilfield, automotive, and refrigerants. Dynamic applications requiring long service life or in abrasive environments are especially well suited to HNBR. FDA grades are available. Internally lubricated compounds are superior for extended wear dry air applications.

 

The service temperature range is generally -40° to 300° F (-40° to 150° C), but can be extended in special applications. PAI offers HNBR compounds in a hardness range from 50 to 90 durometer. Black is the standard color, but other colors are available.

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Item #

Nominal Durometer

Color

Compound Features

RoHS Compliant

REACH Compliant

55604 N/A 60 N/A Black N/A N/A Yes N/A Yes
55606 N/A 65 N/A Black N/A Drive Belt N/A Yes N/A Yes
55657 N/A 65 N/A Black N/A Extended Wear, Internally Lubricated N/A Yes N/A Yes
55703 N/A 70 N/A Black N/A Low Temp N/A Yes N/A Yes
55715 N/A 70 N/A Black N/A General Purpose N/A Yes N/A Yes
55718 N/A 70 N/A Black N/A Teflon Impregnated N/A Yes N/A Yes
55720 N/A 70 N/A Black N/A N/A Yes N/A Yes
55722 N/A 70 N/A Green N/A Freon Resistant N/A Yes N/A Yes
55726 N/A 70 N/A Yellow N/A Ozone Resistant, Refrigerant Resistant N/A Yes N/A Yes
55742 N/A 70 N/A Red N/A High Temperature Resistant N/A Yes N/A Yes
55744 N/A 70 N/A Black N/A FDA N/A Yes N/A Yes
55749 N/A 70 N/A Red N/A Freon Resistant N/A Yes N/A Yes
55788 N/A 70 N/A Black N/A Conductive N/A Yes N/A Yes
655703 N/A 70 N/A Black N/A Low Temp N/A Yes N/A Yes
55857 N/A 75 N/A Black N/A Extended Wear, Internally Lubricated N/A Yes N/A Yes
55860 N/A 75 N/A Black N/A High Temperature Resistant N/A Yes N/A Yes
55801 N/A 80 N/A Black N/A N/A Yes N/A Yes
55803 N/A 80 N/A Black N/A Low Temp N/A Yes N/A Yes
55804 N/A 80 N/A Black N/A High Temperature Resistant N/A Yes N/A Yes
55805 N/A 80 N/A Black N/A High Temperature & Compression Set Resistant N/A Yes N/A Yes
55806 N/A 80 N/A Black N/A Ozone & High Temperature Resistant N/A Yes N/A Yes
55834 N/A 80 N/A Green N/A HFC-134a N/A Yes N/A Yes
55888 N/A 80 N/A Black N/A Conductive N/A Yes N/A Yes
55890 N/A 80 N/A Black N/A Extrusion Resistant N/A Yes N/A Yes
55903 N/A 90 N/A Black N/A Low Temp N/A Yes N/A Yes
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