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Freudenberg Simrit N442 Nitrile Elastomer (NBR)

Category Polymer , Thermoset , Rubber or Thermoset Elastomer (TSE)
Manufacturer Freudenberg Simrit
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Freudenberg Simrit N442 Nitrile Elastomer (NBR).pdf
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Material Notes:
General Purpose; Internal Lubricant. Inferior resistance to ozone, sunlight and natural aging; poor resistance to oxygenated solvents. All testing done on AS568-214 size o-rings
Physical Properties Metric English Comments
Specific Gravity 1.24 g/cc
1.24 g/cc
Original Properties; ASTM D297
Mechanical Properties Metric English Comments
Hardness, Shore A 74
74
Original Properties; ASTM D2240
74

@Temperature 70.0 °C
74

@Temperature 158 °F
Chloramine Solution Immersion 50 ppm Chloramine, 2 weeks; ASTM D2240
74

@Temperature 70.0 °C
74

@Temperature 158 °F
Chloramine Solution Immersion 50 ppm Chloramine, 4 weeks; ASTM D2240
75

@Temperature 70.0 °C
75

@Temperature 158 °F
Chloramine Solution Immersion 50 ppm Chloramine, 8 weeks; ASTM D2240
Descriptive Properties Value Comments
Bend around 1/8th Inch Mandrel no cracking
Volume Change (%), ASTM D471 2
Chloramine Solution Immersion 50 ppm Chloramine, 2 weeks at 70°C
2.6
Chloramine Solution Immersion 50 ppm Chloramine, 4 weeks at 70°C
3.8
Chloramine Solution Immersion 50 ppm Chloramine, 8 weeks at 70°C
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