Cornwall stone powder variation
Wednesday 5th November 2014
Left: Traditional blue material, could be 20 years old.
Center: A shipment we got in Feb 2014.
Right: A shipment in Oct 2014.
Front: 10 gram balls prepared for a insight-live.com/glossary/112">melt-flow GBFL test.
The blue powder is the most difficult to form (therefore the least plastic) after water has been added, the tan one is the easiest.
Pages that reference this post in the Digitalfire Reference Library:
This post is one of thousands found in the Digitalfire Reference Database. Most are part of a timeline maintained by Tony Hansen. You can search that timeline on the home page of digitalfire.com.