Comments on: Melting Floor Sand

By: odin

odin — Wed, 12 Aug 2009 21:25:15 +0000

I’m fairly sure it is exceeding cone 11, but I don’t have any higher cones to see exactly where. It is possible however, that my temperatures are not that high, and I’m just seeing the effects of extended firings. The only evidence I have that the temperature is rather high, is the color from the firemouth at high temps: white, with severe purple blotches in visual field when looked at without welding goggles.

By: zach sierke

zach sierke — Wed, 12 Aug 2009 20:20:51 +0000

great website odin! just looking at the photos from this firing it seems like you definitely got hot, really hot. are you still using only up to cone 11?

By: aluminum properties

aluminum properties — Mon, 04 May 2009 20:28:09 +0000

aluminum properties…

So, today is Monday and I was searching around for aluminum properties on google and you came number 3 in the UK, Just thought you would like to know….

By: odin

odin — Mon, 02 Mar 2009 17:55:44 +0000

The sand I buy comes from the Lane Mountain Company: White Silica Sand. They claim over 99% SiO2. From a sheet on the sand: TYPICAL CHEMICAL ANALYSIS and PROPERTIES Property Typical Value Silica (SiO2), % wt 99.56 Aluminum Oxide (Al2O3), % wt. 0.24 Iron Oxide ( Fe2O3), % wt 0.042 Calcium Oxide (CaO), % wt. 0.0051 Magnesium Oxide (MgO), % wt. 0.0079 Titanium Dioxide (TiO2), % wt. 0.016 Loss on Ignition at 1180 C, % wt. 0.13

By: Craig Edwards

Craig Edwards — Mon, 02 Mar 2009 09:14:46 +0000

Hello Odin: I have a sand floor. Do you use silica sand? I have used some masons sand before and it contained some Feldspar and melted also. The silica sand seems to hold up fine for me, but it would be nice to know what sort of sand you use. I may be on the edge of disaster and not know it!!
Thanks for the great site!!!