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Thread: Sandable high density foam

  1. #1
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    Sandable high density foam

    You might have seen this foam in your travels... it's some sort of high density foam, which you can sand relatively easily. It's commonly used for making plugs for taking molds off... sand it into shape, seal it, take a mold off.

    Not sure what it actually is, or what its true application is. If you've seen it commercially available somewhere, or even know what its proper name is, please post it up

  2. #2
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    Been trying to find something similar myself. I was told to look out for the green type of foam flower arrangers use for dried flower displays (pretty embarrasing to ask for....) I got blank looks in most of the places I tried then I gave up and went another way. Be interested if you find it.

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    We - fsae - have used the stuff you are talking about for making plugs etc in the past, but I can't remember the trade name off the top of my head. Will see if i can find out for you.

    As a matter of interest plugs for the 07 car are being made from polystyrene - maybe not the best for smaller scale jobs as it is harder to cut/shape, but you could give that a go.

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    Is it a Vita product?
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  5. #5
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    I think redr1 might know what it's called/where to get it. I'll point him toward this thread...

  6. #6
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    Quote Originally Posted by jonbuoy View Post
    Been trying to find something similar myself. I was told to look out for the green type of foam flower arrangers use for dried flower displays (pretty embarrasing to ask for....) I got blank looks in most of the places I tried then I gave up and went another way. Be interested if you find it.
    Stay tuned here then... if I find it, I'll post it. Good luck with your project.
    Quote Originally Posted by Milky View Post
    We - fsae - have used the stuff you are talking about for making plugs etc in the past, but I can't remember the trade name off the top of my head. Will see if i can find out for you.

    As a matter of interest plugs for the 07 car are being made from polystyrene - maybe not the best for smaller scale jobs as it is harder to cut/shape, but you could give that a go.
    Awesome. I've been using polystyrene, but it is hard to get a smooth enough surface to avoid copious amounts of filler. A friend has a father who works in polystyrene profile cutting. If I fail to find what I want, I still might turn to that. Let us know how you get on.

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  7. #7
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    I've seen similar stuff in boat building yards they use it for sandwich hull construction and comes in varying densities, unfortunately i dont know where to get it from sorry.
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    Have a yak to the guys at High Modulus about Efoam and the like. They use structural foams and stuff for building trick racing yachts (Xana/Konica Minolta etc) They may not know exactly what you are talking about but may be able to put you on the track.
    Another option is make your own - Forman Insulation sell 2 pack insulating foams that are bound to be adjustable for density / finish. It won't be cheap as one of the parts comes in a 9kg LPG bottle but it may fill your need.
    If you think you can, or you can't, you're right...

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    Para Rubber?

    I needed some low density foam a while back, everyone I asked said Para were the best. Problem is the nearest Para Rubber store to me is Palmy North.

    I improvised.

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    Para rubber charge like a wounded bull. If I have to be tucked on the price of foam, I'd rather someone else did it

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  12. #12
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    Worth a look

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    Hey just a thought, I have used an expandable foam from a can over an existing panel to form cheap mould.
    Highly polish and use of releasing agent you can apply foam and spread out with spatular, set in pre-cut carboard ribs for extra strength.
    All depends if you have a good panel to start with.
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  15. #15
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    Cheers for the tips. Bling will be distributed when the daily blingometer trips over. Currently I have nothing to start with, it's all from scratch.

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