Freudenberg Sealing Technologies 53 NR 13 Natural Rubber

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Freudenberg Sealing Technologies 53 NR 13 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	Metric	English	Comments

Density	1.06 g/cc @Temperature 23.0 °C	0.0383 lb/in³ @Temperature 73.4 °F	DIN EN ISO 1183-1

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	55 @Temperature 23.0 °C	55 @Temperature 73.4 °F	DIN ISO 7619-1
Tensile Strength	23.0 MPa @Temperature 23.0 °C	3340 psi @Temperature 73.4 °F	DIN 53504, R1
Elongation at Break	560 % @Temperature 23.0 °C	560 % @Temperature 73.4 °F	DIN 53504, R1

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	70.0 °C	158 °F
Minimum Service Temperature, Air	-40.0 °C	-40.0 °F

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PFREU9022 / 293558

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