The Shop > Metal Stuff
Sawdust as Facing Ingredient
awemawson:
I mainly use dry silver sand and sodium silicate Steve - far less messing about and moulds are robust to handle. It also gives a good open mould that breathes with little venting required.
vtsteam:
How is the finish on cast iron?
awemawson:
It's always been pretty good - certainly OK for my stuff and better than green sand by far. I suspect that the hard skin is less as well as there is less chilling effect as no moisture to speak of.
vtsteam:
Post some photos of the out of the mold finish, some time when you're less busy Andrew, I'd like to see that. Maybe you could do a thread on how you cast with pics of the whole process. :dremel:
vtsteam:
Cylinder casting, poured 3 hours ago, as broken out:
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