5 years ago #1
inigo
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Hi all. I have just started to use the above for casting and wonder if there are any resources on the internet on how to use it. I have a few newbie questions:

What is the correct cement/water/sand proportion?

The cement is dark brown but produces a light grey bloom when it dries - how do you restore the original colour?

I understand it can be polished/patinated to achieve a bronze effect, what do you use for this?

Any info gratefully received

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5 years ago #2
copper
Silver Member
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Hi Inigo, welcome to the forum

You might find the following article of interest as it answers a portion of your questions

click here please

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5 years ago #3
inigo
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Thanks Copper and thanks for replying so soon

That covers the first part of my question. I'd like to know what you can achieve regarding finishes etc. eg I read somewhere you can add Vermiculite to the mix but i'm not sure what effect that has

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5 years ago #4
copper
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Oh yes, I've heard of that as well. Vermiculite can give that 'rough' 'texture'.

I will look into the exact amounts to be used for this effect...

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4 years ago #5
utsculpter
Guest

To achieve a bronze finish try burnishing with a brass brush i.e. suede brush, or a Dremel attachment.

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4 years ago #6
diynick
Guest

the ciment may pick up its bloom from the material it's cast in, eg a stoneware or earthenware slip releasing agent, or just the plaster?

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3 years ago #7
mick pearson
Guest

try alectiranti on the web and by his book casting with cement fondue

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2 years ago #8
mickpearson
Master
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cement fondue can be bought grey.brown.or white.

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