Been playing with my kiln again....
I have just finished these two chipped glass panels for an indian Restaurant The glass is half inch thick laminated ,they are pretty heavy pieces the size is 4ft3''x 3ft6''. Since buying the kiln I was wondering if it could chip glass as you can control the heat with a computer exactly.Using the computer to control the heat. I warmed up the kiln with the glass inside then made up the glue and poured it on . The glue leveled out nice,then after about 1 hour it had gelled up- I trimmed around the removable vinyl as usual, peeled it off and closed the lid . The temp was set at 35 degrees so as not to make the glue remelt then after 3 hours the kiln was programmed to go to 55 degrees my humidity was at 20% constant inside through-out The mix was 2g-1w per sq ft . I opened it up after 13 hours with a really nice consistant fern chip. Both the lightbox and kiln works very well, the main thing is to keep the glass warm with the glue drying throughout to achieve a nice fern chip .I have had really good success with snail chipping also by preventing the glue from drying, the longer the better . On wet days it takes for ever to dry which is good for snail chips.The cost to fire up the kiln and have it running for 13 hours worked out at only $6.00 probably about the same for the lightbox........attached some photos showing the chipping from the kiln.
Dave
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