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Packaging Grammage method

Hey,

I need guidance about grammage of corrugated box , cardboards and plastic foil

-How to calculate ?
-Used same method for all three or different method for each?
Currently , I'm try to solve this problem through this method: GSM =gm/m2
-cut sample 1 inch square
-then weight this sample cut sample
- now using formula
GSM=weight/ 0.000645m2
I'm using this method for all type of packaging. But every time reading are vary ...

Kindly , packaging expert guide me for right method ..

Thank you..

asked by @wara • 12/22/2021

Answers (4)

asked by @admin • 12/22/2021
10

your formula is true.

use a precision scale (analytical )

use mm not inch

cut samples 50mmx50mm

use 5 samples then take them average and use it.

be careful.

Good luck :blush:

@admin • 12/22/2021
10

This method is used for plastic shrink as well?

@wara • 1/22/2022
21

of course.

@admin • 1/22/2022
27

thank you for great guidance

@wara • 1/22/2022