Marble dust,

can anyone tell me what marble dust is used for?
i have been offered unlimited supplies for free and i have noticed it mentioned here a few times, i deal in concrete but i would like to know in case i can use it.
thanks

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copper avatar
8 years ago #2
copper
Silver Member
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If one uses marble dust together with white cement it can be used for casting...

pabrad avatar
8 years ago #3
pabrad
Bronze Member
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it is often used as a filler in resins used for casting purposes.

it is meant to:
1. reduce the amount of resin in the mix;
2. extend the resins coverage;
3. used to add thickness to a resin (ie: more buttery) to perhaps lay-up by hand on a vertical surface, commonly in a mold
4. helps to reduce shrinkage in a resin

powders like this will absorb moisture, so if you plan on using this powder in a resin for whatever reason, I recommend spreading the required amount out on a metal tray and baking it in an oven at a low-grade temp. (150°f / 60°c) for about an hour to eliminate the residual moisture before adding it into resin. this will help minimize or eliminate any potential reacting with the moisture from the powder with the resin.

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8 years ago #4
peter
Guest

once again Pabrad, thank you for all your replies, you have been a great help.

peter

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7 years ago #5
NickyTee
Guest

Believe it or not- marble dust is also used to coat chewing gum-prevents it from sticking to the wrapper.

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7 years ago #6
paul
Guest

hi i am going to cast tiles for my house soon and maybe more can you supply marble dust to me in the uk if so please contact me paul
<email>

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6 years ago #7
mick pearson
Guest

you can also use it to mix with varios rsins to make chess sets colour it with resins with pigments to make viend marble casts or fast cast no oder poly resin to make hollow eggshell ornaments of exseptional strenth or sell it to people that use it every day

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1 month ago #8
Tia
Guest

I need marbel dust powder.. where can I get it??? I stay in New Jersey
Tia

BackYardBuilder avatar
1 month ago #9
BackYardBuilder
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If there's a sculpting supplier in your area then give them a call. Or try a quarry that mines marble. As a last resort, see if a local hobby or craft shop can get you some.

Just to give you the heads up though... This particular commodity seems to be very difficult to find in North America. I don't know why. It just is. I've been trying to find a source for myself for the past three years. Good luck trying to find a supplier.

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