Thanks for the tip Demon3. I will investigate the expancell product. I am concerned about how accurately the density of the resulting foam can be controlled though.
In your experience what method did you use for mixing the spheres with the resin? My aim is to produce a foam without air...
I am requesting information about processes, materials and machinery for manufacturing low density (380-450 kg/m^3) syntactic foams.
I am intending to use glass microspheres and an epoxy matrix but alternative suggestions would be welcomed.
I have read the chapter in 'Polymeric Foams' D...