Lochan Thokalakandiga Govardhan Kumar

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Questions related from Lochan Thokalakandiga Govardhan Kumar

Why does Diamine cured rubber compounds such as AEM and HNBR show endothermic peak in a DSC experiment?

The endothermic curve starts at a temperature of 30°C itself. Peaks vary for both the AEM and HNBR compounds. The peak for AEM is at 50.2°C and for HNBR is at 123.25°C. The enthalpies vary...

31 July 2018 6,933 4 View

How do we co-relate Cross-linking density of an elastomer with its corresponding cure charateristic cure from the Moving Die Rheometer experiment?

7 different HNBR compounds are produced and to understand the chemical resistance of these compounds several liquid immersion tests at elevated temperatures (ageing) have been conducted and...

06 July 2018 5,215 5 View

How can I find the exact material composition of HNBR material bought from the supplier? What testing can be done?

The HNBR compound from one of the supplier does not pass any test specifications related to Heat ageing resistance, compression set and media resistance. The media used to test is the blow by...

28 March 2018 6,739 4 View