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Guys, thank you very much for the patience and the answers ! Have a nice weekend ! :)

Ok but i still didnt get it ... Lightfastness - The lightfastness or permanence of a pigment is its resistance to change on exposure to light. fugitive- pigments are impermanent pigments that lighten, darken, or otherwise change in appearance or physicality over time when exposed to certain...

1.So if i multiply 8,5x11 = 93,5 x 3 333 imp = 311 635 sq inch with 1 lb ink, right ? 2.Those values are referred for 100% coverage? 3. I cant understand this - "Another one, generally the more lightfastness pigment will be WEAKER vs. a pigment that is more fugitive, or less sun...

You are welcome ! What do you think about the other things ? In attachment file you can see one of the methods for calculationg amount of needed ink. Notice what is written with blue font in point 4 (You can not calculate the coverage area for 1lb. of think. This value will ALWAYS be given...

Thank you all for your fast responses ! Ok, yes i know there are many factors of which it depends ink consumption. I need approximate usage of ink. Please see the attachment files. One(Fetch) of them contain info about ink mileage in offset printing and another is about ink volume in flexo and...

Hello all ! Im student and i need little information about ink consumption in flexo printing and gravure printing. What is the consumption of 1 lb/kg per sqm/sq inch. I found table for offset ink consumption per 1lb but cant find such information about flexo ...