Times
Hi Kim,
Room temperature is best, yes. Polymer will thicken and get slower when very cold and more liquid and faster when very hot, however this will make almost no difference with Stampmaker. With Stamp Critter you had to expose on 2 sides and make a floor or base to your stamp, this is the hardest part of commercial stamp making to get right - you want it to give a good support to your stamp but not too high or you will get ink on it. With Stampmaker, the polymer is designed to be exposed on one side and the plastic acts as the support so you always get a nice deep etch. With 99.5% of designs, the times will always be 3 minutes exposure + 2 mins post exposure (to harden and dry on top). Of those, maybe 20% or so will have fine lines where we recommend the 3 second flash on the other side also to really attach those small dots and thin lines to the backing so they won't wash away. Very rarely, eg. with small 6 point text in a difficult to read font you will want to expose for longer.
Hope this helps.
Sally
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