Hydrated NBR rubber (HNBR)

Alternative and trade names
Therban®, Zetpol®
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Description

HNBRs have better oil and chemical resistance than nitrile rubbers and can also withstand much higher temperatures. Like NBR, this type of elastomer has excellent resistance to oils and fuels but it also has excellent resistance to many chemicals, heat (steam / hot water) and ozone. The mechanical properties like tensile and tear strength, elongation, and abrasion resistance are also excellent. Furthermore, HNBRs have good dynamic behavior at elevated temperatures.

This material data has been provided by M-Base.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts

Properties

General

PropertyValue

Density

0.95 - 1.33 g/cm³

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Mechanical

PropertyValueComment

Elongation

100.0 - 700.0 %

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Tensile strength

7.0 - 38.0 MPa

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at 100-700% strain

Thermal

PropertyValue

Coefficient of thermal expansion

0.000195 - 0.00026 1/K

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Optical

PropertyValue

Transparency

no

Technological properties

Property
Application areas

Oil production equipment, fuel hoses, in-tank insulators, refrigerant hoses, O-rings

Processing methods

Compression molding, extrusion, vulcanization