Pits

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mbuckley52

mbuckley52

Member
Joined
Jun 13, 2008
Messages
29
Location
Ft Worth, Tx, USA.
I tried to cast some dried flowers and it went well, except that when I try and sand them they have pits.

I have cleaned them out with a tooth brish and filled them in with ca glue.
but it's a pain.

any ideas?

I just poured the resin , since I do not have a pressure pot.

help with your ideas


mbuckley52
 
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Vibration. You can put the filled mold on anything that vibrates and it will help the bubbles move to the surface instead of staying under leaves.
 
Anything that's going to float in PR will... whether you vibrate or not. Coffee beans, loose leaves, loose petals....

Anything that's going to sink in PR will... whether you vibrate or not. Some glitters, sequins, beads....

I confess I have been sticking to silk where flowers are concerned because I have yet to achieve drying flowers that were pleasing to my eye. But when I cast my silk flowers I "arrange" full stalks with leaves (albeit small ones) and put as many as I can in a mold for 3 blanks. I pour to a depth of 1" and there are always things sticking out of the top of the brick. It's part of the charm and assures the blanks will have as much color and "movement" in them as possible. I have even "woven" some stems to make sure they don't float.

I was casting for six months without a pressure pot and used only vibration for air bubbles. I learned what I could and could not cast without pressure. I could cast silk flowers and could not cast coffee beans without a PP. Each cast is an adventure and learning experience.

Viva le casters!!!
 
Stevers has had good results by re casting. Turn the blank smaller than you want the pen to be then recast it in clear resin, then turn it again the size you want and it will be nice and smooth coated with resin.
 
mbuckley52 said:
I tried to cast some dried flowers and it went well, except that when I try and sand them they have pits.
Click to expand...

Try dusting your mold or container with some talc. baby powder will work
fine. Brush it on all sides and then blow it out before casting.

It seems that the talc reduces the surface tension, so you don't get the
bubbles when you pour. Of course, that won't stop the bubbles that happen
from outgassing. For that, you need the pressure pot.
 
Another thing I found useful for pits is using an ultrasonic cleaner to get the
dust out of the pits. If I tried recasting them I'd definately do this.
 
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