Will anyone here tell me where I can have an oxide powder having the following:
73% Fe2O3
18% Mn2O3
9% ZnO
with an avarage particle size of 80 micron.
Thanks.
Hi there,
I have just joined this foruim, and when I saw your question I remembered that I did a diploma in solar energy. So I have few questions for you.
what are you comparing? Is two solar heaters or comparing solar heater with electrical heater?
I think from the given replies it is a...