Freudenberg Sealing Technologies 90 NBR 433 Nitrile Butadiene Rubber

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Freudenberg Sealing Technologies 90 NBR 433 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	1.30 g/cc @Temperature 23.0 °C	0.0470 lb/in³ @Temperature 73.4 °F	DIN EN ISO 1183-1

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	89 @Temperature 23.0 °C	89 @Temperature 73.4 °F	DIN EN ISO 7619-1
Tensile Strength	19.0 MPa @Temperature 23.0 °C	2760 psi @Temperature 73.4 °F	DIN 53504, S2
Elongation at Break	111 % @Temperature 23.0 °C	111 % @Temperature 73.4 °F	DIN 53504, S2
100% Modulus	17.2 MPa @Temperature 23.0 °C	2490 psi @Temperature 73.4 °F	DIN 53504, S2
Compression Set	20 % @Temperature 100 °C, Time 86400 sec	20 % @Temperature 212 °F, Time 24.0 hour	DIN ISO 815, B
	26 % @Temperature 125 °C, Time 86400 sec	26 % @Temperature 257 °F, Time 24.0 hour	DIN ISO 815, B
	34 % @Temperature 125 °C, Time 252000 sec	34 % @Temperature 257 °F, Time 70.0 hour	DIN ISO 815, B

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	100 °C	212 °F
Minimum Service Temperature, Air	-20.0 °C	-4.00 °F

Descriptive Properties
Color	black
Cross-linking	peroxidic

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PFREU9228 / 293749

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