WPI-g-000393Various, often cotton linters or alpha c…40% confidence
Air Permeability Tester(Gurley).
Other paper grade. Permanent ID WPI-g-000393 — verified, source-traced, free.
01
Canonical specification
Basis weight
—
Fiber source
Various, often cotton linters …
other
Paper type
other
Confidence
40%
source: wpi
WPI ID
WPI-g-000393
Slug
air-permeability-tester-gurley
Last updated
2026-04-18
GSM range
—
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