WPI-g-00052140–120 g/m²Virgin kraft43% confidence
Auramine, Basic Yellow 2, Paper Yellow.
Printing paper grade. Permanent ID WPI-g-000521 — verified, source-traced, free.
GSM 25
25g/m²
lighter
GSM 40 · this
40g/m²
WPI-g-000521 · standard
GSM 70
70g/m²
heavier
01
Canonical specification
Basis weight
40–120g/m²
Fiber source
Virgin kraft
printing
Paper type
printing
Confidence
43%
source: wpi
WPI ID
WPI-g-000521
Slug
auramine-basic-yellow-2-paper-yellow
Last updated
2026-04-18
GSM range
40–120g/m²
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