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  1. 21-11-2018 #9
    John McNamara's Avatar
    Lives in Melbourne, Australia.
    John McNamara
    Last Activity: 27-10-2023 Has been a member for 9-10 years. Has a total post count of 137. Received thanks 28 times, giving thanks to others 3 times. Referred 1 members to the community.
    Quote Originally Posted by Nick View Post
    Nice build, following with interest, I am also doing an epoxy build. The laser cut moulds look very neat.

    Have you decided on your epoxy % and aggregate mix? Will you be vibrating the molds?

    Nick
    Hi Nick
    I will not be vibrating the molds, some sit on a surface plate that is used to provide a flat plane. I will be tamping the mix down in 25-50mm layers.

    The Mix will be nominally 12% epoxy by volume. When I do the pour I will do a test just before to make sure the stone and sand batch has not changed.

    Page down this post of a previous pour.

    https://www.model-engineer.co.uk/for...p?th=51617&p=3

    The objective is to use the least amount of epoxy.

    I plan to pour over the weekend if all goes well.

    Regards
    J
    Last edited by John McNamara; 21-11-2018 at 08:17 AM.
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