WPI-g-00042240–95 g/m²Virgin kraft42% confidence
Alkyl Ketene Dimmer Wax (1840/1865/1895).
Other paper grade. Permanent ID WPI-g-000422 — verified, source-traced, free.
GSM 25
25g/m²
lighter
GSM 40 · this
40g/m²
WPI-g-000422 · standard
GSM 70
70g/m²
heavier
01
Canonical specification
Basis weight
40–95g/m²
Fiber source
Virgin kraft
other
Paper type
other
Confidence
42%
source: wpi
WPI ID
WPI-g-000422
Slug
alkyl-ketene-dimmer-wax-1840-1865-1895
Last updated
2026-04-18
GSM range
40–95g/m²
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