WPI-g-00014279–81 g/m²Virgin kraft65% confidence
A 4 / 80 GMS /m2.
Stationery paper grade. Permanent ID WPI-g-000142 — verified, source-traced, free.
GSM 64
64g/m²
lighter
GSM 79 · this
79g/m²
WPI-g-000142 · standard
GSM 109
109g/m²
heavier
01
Canonical specification
Basis weight
79–81g/m²
Fiber source
Virgin kraft
stationery
Paper type
stationery
Confidence
65%
source: wpi
WPI ID
WPI-g-000142
Slug
a-4-80-gms-m2
Last updated
2026-04-18
GSM range
79–81g/m²
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