WPI-g-00034750–300 g/m²Virgin kraft52% confidence
Acid black ATT.
Printing paper grade. Permanent ID WPI-g-000347 — verified, source-traced, free.
GSM 35
35g/m²
lighter
GSM 50 · this
50g/m²
WPI-g-000347 · standard
GSM 80
80g/m²
heavier
01
Canonical specification
Basis weight
50–300g/m²
Fiber source
Virgin kraft
printing
Paper type
printing
Confidence
52%
source: wpi
WPI ID
WPI-g-000347
Slug
acid-black-att
Last updated
2026-04-18
GSM range
50–300g/m²
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