Freudenberg Sealing Technologies 35 NR 11 Natural Rubber

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Freudenberg Sealing Technologies 35 NR 11 Natural Rubber
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Elastomers made of pure natural rubber have extreme stretchability, ranging from 700 to 1000%. The elastomer is nearly non-compressible – it does not allow itself to be compressed – only displaced. Natural rubber is stable in acids, bases, water, alcohol and air, that is, in polar media. It has low media compatibility with nonpolar media such as petroleum-based oils, synthetic lubricants, brake fluids based on glycol, overheated moisture, and aromatic hydrocarbons (gasoline). Information provided by Freudenberg Sealing Technologies.
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Physical Properties	Original Value	Comments

Density	0.970 g/cc @Temperature 23.0 °C	DIN EN ISO 1183-1

Mechanical Properties	Original Value	Comments
Hardness, Shore A	35 @Temperature 23.0 °C	DIN ISO 7619-1
Tensile Strength	20.7 MPa @Temperature 23.0 °C	DIN 53455, S2
Elongation at Break	692 % @Temperature 23.0 °C	DIN 53455, S2
100% Modulus	0.800 MPa @Temperature 23.0 °C	DIN 53504, S2
Rebound	70 %	DIN 53512
Compression Set	20 % @Temperature 70.0 °C, Time 86400 sec	DIN ISO 815, B

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	70.0 °C
Minimum Service Temperature, Air	-40.0 °C

Descriptive Properties
Color	black
Cross-linking	sulfur
Gabo	6.7
Loss Angle(°)	1.9

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PFREU9124 / 293528

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