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  1. pcnj50a

    Increasing hardness of physically foamed PS profiles

    Part of the reason that your hardness may be decreasing with increasing fill is that the particles can act as nucleation sites. Overnucleation leads to poorer cell structure and a greater percentage of open cells. So there may be an optimum percentage of talc or calcium carbonate that you're...
  2. pcnj50a

    Epoxy or...?

    I've read about polyester and Abcite being viable alternatives to epoxy. Any feedback?
  3. pcnj50a

    Epoxy or...?

    Well, for some reason, my browser will not allow me to give you a "thank you" vote. So... thank you. Do you (or anyone else) think that it's worth putting a barrier coating over the Zn, sort of belt and suspenders? And is epoxy really the best barrier coating?
  4. pcnj50a

    Epoxy or...?

    Can anyone give me an idea if there are viable alternative materials to epoxy for rebar coating? The CRSI site seems to be epoxy-specific, and while it is no doubt a fine material, I can't imagine that it has no disadvantages and that there's no alternative coating.

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