Freudenberg Sealing Technologies NBR NB703412 Nitrile Butadiene Rubber

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Freudenberg Sealing Technologies NBR NB703412 Nitrile Butadiene Rubber
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Nitrile rubber exhibits superior mechanical strength with high elasticity as well as good deformation behavior. Its relatively low heat resistance can be traced to the presence of reactive double bonds. It is used for oil- and fuel-resistant seals such as Simmerrings®, O-rings and frame seals. The use of NBR marked the arrival of elastomers as a sealing material particularly in general industry. Information provided by Freudenberg Sealing Technologies.
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Physical Properties	Metric	English	Comments

Density	1.29 g/cc @Temperature 23.0 °C	0.0466 lb/in³ @Temperature 73.4 °F	ASTM D1817

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	70 @Temperature 23.0 °C	70 @Temperature 73.4 °F	ASTM D2240
Tensile Strength	17.4 MPa @Temperature 23.0 °C	2520 psi @Temperature 73.4 °F	ASTM D412
Elongation at Break	422 % @Temperature 23.0 °C	422 % @Temperature 73.4 °F	ASTM D412
Compression Set	9.0 % @Temperature 100 °C, Time 79200 sec	9.0 % @Temperature 212 °F, Time 22.0 hour	ASTM D395, B

Electrical Properties	Metric	English	Comments
Surface Resistance	3.60e+8 ohm	3.60e+8 ohm

Thermal Properties	Metric	English	Comments
Minimum Service Temperature, Air	-33.0 °C	-27.4 °F	TR10; ASTM D395

Descriptive Properties
Color	black
Cross-linking	sulfur

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PFREU9296 / 293818

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