Paste Aggregate Series: 2000x
![Cement paste at 1 day. [Paul Stutzman, NIST]](http://publish.illinois.edu/concretemicroscopylibrary/files/2014/05/45_1d_dB.jpg)
Cement paste at 1 day. [Paul Stutzman, NIST]
![Cement paste at 7 days. [Paul Stutzman, NIST]](http://publish.illinois.edu/concretemicroscopylibrary/files/2014/05/45_7d_dB.jpg)
Cement paste at 7 days. [Paul Stutzman, NIST]
![Cement paste at 28 days. [Paul Stutzman, NIST]](http://publish.illinois.edu/concretemicroscopylibrary/files/2014/05/45_28d_dB.jpg)
Cement paste at 28 days. [Paul Stutzman, NIST]
Magnification Progression Series: 2000x
Concrete Microscopy Library
Cement paste at 1 day. [Paul Stutzman, NIST]
Cement paste at 7 days. [Paul Stutzman, NIST]
Cement paste at 28 days. [Paul Stutzman, NIST]