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Lanxess X_Butyl™ RB 301 Butyl Rubber
Categories: Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)

Material Notes: A non-staining, medium unsaturation isobutylene-isoprene copolymer with high Mooney viscosity produced with calcium stearate.

Information provided by Lanxess.

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Physical PropertiesMetricEnglishComments
Density 0.920 g/cc0.0332 lb/in³
Volatiles <= 0.30 %<= 0.30 %ISO 248/ASTM D5668
Mooney Viscosity 46 - 56
@Temperature 125 °C
46 - 56
@Temperature 257 °F
(1+8); ISO 289/ASTM D1646
Ash <= 0.30 %<= 0.30 %ISO 247/ASTM D5667
 
Processing PropertiesMetricEnglishComments
Shelf Life 60.0 Month
@Temperature <=35.0 °C
60.0 Month
@Temperature <=95.0 °F
 
Descriptive Properties
Content>0.03%Antioxidant non-staining
 0.5 percentTotal Stearates
 1.65-2.05%Unsaturation

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PLANY8672 / 209065

Specialty Compounds RTP Company

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