WPI-g-00016379–81 g/m²Virgin kraft70% confidence
A4 - 80 GSM - Copy Paper.
Stationery paper grade. Permanent ID WPI-g-000163 — verified, source-traced, free.
GSM 64
64g/m²
lighter
GSM 79 · this
79g/m²
WPI-g-000163 · standard
GSM 109
109g/m²
heavier
01
Canonical specification
Basis weight
79–81g/m²
Fiber source
Virgin kraft
stationery
Paper type
stationery
Confidence
70%
source: wpi
WPI ID
WPI-g-000163
Slug
a4-80-gsm-copy-paper
Last updated
2026-04-18
GSM range
79–81g/m²
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