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You are here: opti-pack > 1.4 How to calculate key figures in practice

1.4 How to calculate key figures in practice

In addition to the information, which can be gathered from the data sheet from EN13427-13432, it would be useful to collect the following data:

  • The weight of the product
  • The width, height and depth of the packaging
  • The number of primary packages in the secondary package
  • The number of secondary packages on the pallet

The formulas for the material intensity key figures are as follows:

Expressions

Short form:

Material intensity

MI

Primary packaging

P

Secondary packaging

S

Tertiary packaging

T

Weight of product (kg)

WProd

Weight of primary packaging (kg)

WP

Weight of secondary packaging (kg)

WS

Weight of tertiary packaging (kg)

WT

Number of primary packages in the secondary package

P/S

Number of secondary packages in the tertiary package

S/T

I) Material intensity for the primary packaging [kg packaging/kg product]:

formular 1

II) Material intensity for the secondary packaging [kg packaging/kg product]:

Formular 2

III) Material intensity for the tertiary packaging [kg packaging/kg product]:

Formular 3

IV) Total material intensity for the packaging system [kg packaging/kg product]:

Formular 4