-- AndrewWong? - 14 Jul 2006
Concluded that none of the blends was particularly great for confining 20A or 50A- the polyurethanes ended up curled after being freed from the wax, seemed more brittle and seemed to have taken on some of the dye from the wax. It seems that even fairly low temperatures may be too much for thin pieces of polyurethane.

Melting points of wax blends
Proportions by weight

Composition	Melting Point	Observations
100%Blue	80-110C	Thick and sticks strongly to the Ziplock Bag
75%Blue 25% Yellow	92-85C	7.5g blue/2.5g yellow
50%Blue 50% Yellow	82C	7.0g blue/7.0g yellow
25%Blue 75%Yellow	60-77C	7.0g blue/21.0g yellow
100%Yellow	60-70C	Very thin, runny. Peels easily off the weighing plastic

Over a temperature range the viscosity of the wax increases. The ranges indicated here are from kinda thick to so thick it might as well be solid.

Temp taking Method: Wax was melted in a beaker. Samples of liquid wax were weighed out onto a tared piece of plastic from a ziplock bag. Allowed wax to cool in beaker while stirring with thermometer.