dense slip for spikes
Posted 04 December 2012 - 09:19 PM
I want to be able to make spikes as large as possible by squeezing them with slip (I suppose dense could be nice).
I would like to do the slip from the clay (cone 04) I am using, I have darvan 811 and sodium Silicate (to reduce water content-shrinkage/crackings) but I don't know what quantity should I use, the formulas I find are for too big batches.
Is there some possibility to do about 2 pounds of slip?
Posted 04 December 2012 - 09:40 PM
Posted 04 December 2012 - 10:30 PM
Darvan will make the slip more fluid; you might want to use epson salt. Here's a good video that shows effects of using Darvan and epson salt.
Marcia Selsor, Professor Emerita,
Montana State University-Billings
Marcia Selsor Studio in Brownsville, Texas.
Posted 05 December 2012 - 12:38 PM
I would take a very thick, sludgy, non-fluid slip, like almost thick enough to form into a shape, and deflocculate it by eye. Mix equal parts water and deflocculant and and add it a couple drops at a time to your sludge until you get the viscosity you need.
Kiln Repair Tech
L&L Kilns Distributor
Owner, Neil Estrick Gallery, LLC
Posted 05 December 2012 - 12:44 PM
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