Plaster Casting
Hi Guys,
I'm working on making casts of various things i'm making from Clay. Ive made my Silicone mould and I'm torn between casting in Polyeurethane or Herculite Plaster. Polyeurethane is very expensive based on the size of what i'm casting, so I thought if I casted them in plaster it would be more cost effective, however... These casts will be outdoors and i'm not convinced Herculite will stand upto the elements, so is it possible that there is something liquid that i can paint over it, that will keep the detail, yet harden to give a protective barrier like plastic? Preferably something that will not be opaque, as i'd like to paint the cast first. Would perhaps polyeurethane do this if i got the translucent variety? :dozey: |
Re: Plaster Casting
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Re: Plaster Casting
maybe but im not convinced PVA will withstand that much of the elements, few hot days and it would probably burn it off.
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Re: Plaster Casting
Plaster for outdoors? Why not concrete?
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Re: Plaster Casting
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Re: Plaster Casting
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http://olivierduhamel.hubpages.com/h...for-moldmakers |
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