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why or when to use TGIC free powder

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  • why or when to use TGIC free powder

    i see that there are TGIC FREE POWDERS out there but why and when would i use them?

  • #2
    Re: why or when to use TGIC free powder

    TGIC free, means they are using a diffrent crosslinker, not TriGlycidylIsoCyanorate, but a Hydroxyalkylamide crosslinker. The EMS company has a patent on it and they call it PRIMID.
    Since it is a trademark name you can not use it

    The Primid technology was invented in europe, here germany, because of health issues. European law wanted the safest environmental product for powder coatings.
    TGIC as a raw material is not the safest material to handle. You need full hazmat suits, breathing apparatus and so on. Once it is inside the powder at much lower concentraion it is harmless.
    TGIC systems in europe have to be labeld with a skull and crossbones.

    At the end, the cured paint is the same, maybe slightyl better for a TGIC system, depending on what kind of properties you need to have.

    One advantage for Primid based powders is the First-Pass Transfer Efficiency. Primid goes much better to the part then TGIC's. It builds up much heavier dry films on difficult geometries. The danger is you put too much powder on, the coat will outgass from within.

    In the US you can use TGIC and Primid without hesitation. The environmetal laws are likely not going to change any time soon.

    B

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    • #3
      Re: why or when to use TGIC free powder

      thanks ben!!!!

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      • #4
        Re: why or when to use TGIC free powder

        excellent reply.

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