This is a workable glass powder that is very inexpensive and is environmentally friendly because it uses recycled glass. It was the first glass powder tested in our lab. It has weak damp strength, OK green strength, and OK behavior in the kiln cycle.
SPS Powdered Recycled Glass – 1000 units
Powdered Sugar ———– 250 units
Maltodextrin ————- 250 units
If you can’t find Maltodextrin, then use Benefiber (it is no longer maltodextrin but rather a wheat dextrin).