WPI-g-00011449–70 g/m²Virgin kraft50% confidence
49-70 Series Micrometers.
Other paper grade. Permanent ID WPI-g-000114 — verified, source-traced, free.
GSM 34
34g/m²
lighter
GSM 49 · this
49g/m²
WPI-g-000114 · standard
GSM 79
79g/m²
heavier
01
Canonical specification
Basis weight
49–70g/m²
Fiber source
Virgin kraft
other
Paper type
other
Confidence
50%
source: wpi
WPI ID
WPI-g-000114
Slug
49-70-series-micrometers
Last updated
2026-04-18
GSM range
49–70g/m²
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