WPI-g-000392N/A35% confidence
Air Permeability Tester.
Other paper grade. Permanent ID WPI-g-000392 — verified, source-traced, free.
01
Canonical specification
Basis weight
—
Fiber source
N/A
other
Paper type
other
Confidence
35%
source: wpi
WPI ID
WPI-g-000392
Slug
air-permeability-tester
Last updated
2026-04-18
GSM range
—
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