C-3

Has a higher melt point which enables it to retain a higher FO load to give you a stronger scent throw. Nice smooth tops. May have a light crack.
Pour Temp: 140-150
Melt Point: 125-130
FO Load: 6%-9%
GW464

Has a lower melt point which helps with the burn and gives better glass adhesion.
Pour Temp: 125-145
Melt Point: 115-120
FO Load: 8%-10%