Aug 3, 2010|

Why do darker roast coffee beans grind finer?


When coffee beans are subjected to the heat of the roast cycle, they go through an expansion in size which fractures the inner cell structure. In addition there is moisture loss, making the beans more brittle.

Happy Brewing,
Dr. Brew


Embedded thumbnail for BUNN Our Brand Promise

Your current browser is not supported by!

This may cause the BUNN website to function incorrectly. 
In order to have the best experience with our website, we recommend that you update your browser to the most current version.

Update (Chrome)

Update (Internet Explorer)

Update (Safari)

Update (Firefox)

Continue to website
(This may result in a poor experience on the site)