WPI-g-00042040–200 g/m²Virgin kraft50% confidence
Alkyl Ketene Dimer Wax (AKD 1840) 1865.
Industrial packaging paper grade. Permanent ID WPI-g-000420 — verified, source-traced, free.
GSM 25
25g/m²
lighter
GSM 40 · this
40g/m²
WPI-g-000420 · standard
GSM 70
70g/m²
heavier
01
Canonical specification
Basis weight
40–200g/m²
Fiber source
Virgin kraft
industrial packaging
Paper type
industrial packaging
Confidence
50%
source: wpi
WPI ID
WPI-g-000420
Slug
alkyl-ketene-dimer-wax-akd-1840-1865
Last updated
2026-04-18
GSM range
40–200g/m²
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