Freudenberg Sealing Technologies 88 NBR 99035 Nitrile Butadiene Rubber

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Freudenberg Sealing Technologies 88 NBR 99035 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	1.40 g/cc	0.0506 lb/in³	DIN EN ISO 1183-1

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	88	88	DIN ISO 7619-1
Tensile Strength	20.9 MPa	3030 psi	DIN 53504, S2
Elongation at Break	169 %	169 %	DIN 53504, S2
Compression Set	43 % @Temperature 100 °C, Time 252000 sec	43 % @Temperature 212 °F, Time 70.0 hour	DIN ISO 815

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	100 °C	212 °F
Minimum Service Temperature, Air	-25.0 °C	-13.0 °F

Descriptive Properties
Color	black

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PFREU9219 / 293741

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