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  • paint thickness

    Hello

    Hope you can help ,we have some windows that we have had confirmed as having a total paint thickness of 145-151 m .
    However the paint manufacturer recommends a paint thickness of 80 - 150 g/m2.
    I have been unable to find a way to convert m into g/m2 , is this something you can help with?

    Thanks Duncan

  • #2
    Originally posted by duncdontknow View Post
    Hello

    Hope you can help ,we have some windows that we have had confirmed as having a total paint thickness of 145-151 m .
    However the paint manufacturer recommends a paint thickness of 80 - 150 g/m2.
    I have been unable to find a way to convert m into g/m2 , is this something you can help with?

    Thanks Duncan
    You would need to know the density of the dried paint film, which is non-trivial to measure.

    Weigh (to high precision) a blank panel, measure its area, paint it let it dry and weigh again. Divide the weight gain by the area to get grams per square meter, measure the thickness of the paint. You can use this ratio to correlate areal densit and thickness for this paint onlt. Repeat for other paints.

    The density you need is the the dried paint film, not the density of the liquid paint.

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