Moldmaking with SP48
Prepare your model for molding. Frame
the model, allowing 3/8" clearance all around.
Measure equal amounts of
SP48 Parts A and B by volume in separate containers
Mix the two parts slowly
into a third container, stirring slowly to avoid whipping air bubbles
into the mixture.
Pour the mixture into frame.
SP48 has a working time of 20 minutes, and will cure in 1-2 hours at
room temperature.