Aldax Mould Making And Casting Blog

Question from a customer:

Hello,

I have found your website very helpful & it’s given me hope my ideas may come to life, though I have a few questions.

I am looking at making aquarium ornaments. I have already made some rough caves from a mix of concrete & sand, in a sand mould, that are holding up well, but wish to expand my designs & materials. Some ideas will need me to use cement, though many new ideas I’d like to use recycled plastics with more intricate designs.

If I understand your articles correct, latex would be the best to make moulds for both mediums. Is this correct? Could a latex mould be used for both plastic & cement? I understand that any mould I use cement in cant be too detailed, unless of course you have a suggested recipe that will pour easy but not crumble in the water.

Any ideas, hints, suggestions you have will be greatly appreciated.

Answer:

Hi,

You can make the mould latex as it is the cheapest to use and cast in lightweight concrete or resin filled with cheap fillers such as marble dust. Both are used widely in the industry.

All the best Stan Alderson

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