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mrcasey

Member Since 07 Aug 2013
Offline Last Active May 23 2017 04:59 PM
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Posts I've Made

In Topic: Specific Gravity-Glaze Thickness Tools

20 May 2017 - 09:11 PM

What is the error range on such a scale? 1/2 gram maybe?

In Topic: Will Lowering Specific Gravity Always Make A Glaze Less Likely To Run?

19 May 2017 - 10:38 PM

I broke the hydrometer so I'm using a 100 mL graduated cylinder and a Harbor Freight electric gram scale accurate to
.1 gram.

In Topic: Will Lowering Specific Gravity Always Make A Glaze Less Likely To Run?

19 May 2017 - 06:16 PM

I'm going to make things a little more concrete.

Matte Gray Glaze

Custer Feldspar 6 %
Silica 8 %
Wollastonite 20 %
Kaolin 40 %
Frit 3134 12 %
Talc 14 % : 100%

Mouse Gray M. Stain 8 %
Bentonite 2 %

This stuff is the thickness of wet concrete. Today, I added water till I got down to a 1.25 specific gravity.
It is still crazy thick - thicker than heavy cream. Can I just keep adding water? Should I deflocculate?





Panama Blue


Custer Feldspar 44.1 %
Silica 15.8 %
Whiting 2.6 %
Kaolin 2.6 %
Dolomite 7.7 %
Strontium Carbonate 4.2 %
Frit 3110 10.7 %
Frit 3134 9.7 %
Zinc Oxide 2.6 % : 100%

Tin Oxide 2.6 %
Copper Carbonate 1.75 %
Bentonite 2 %



I've chucked in 4% bentonite (that's a lot) and added a tablespoon of epsom salts to this glaze. It looks heavy as
whipping cream, but it still gives me a thin covering, curtains badly, and dries crazy slowly. Should I just add more bentonite or epsom salt? The specific gravity is 1.46. That's about in the range for our cone 6 electric oxidation
dipping glazes. If I take out any more water, I'm afraid I'll have to put it on with a putty knife.

Any thoughts or suggestions?