WPI-g-00037350–150 g/m²Virgin kraft44% confidence
Advanced Triple Layer Forming Fabric.
Other paper grade. Permanent ID WPI-g-000373 — verified, source-traced, free.
GSM 35
35g/m²
lighter
GSM 50 · this
50g/m²
WPI-g-000373 · standard
GSM 80
80g/m²
heavier
01
Canonical specification
Basis weight
50–150g/m²
Fiber source
Virgin kraft
other
Paper type
other
Confidence
44%
source: wpi
WPI ID
WPI-g-000373
Slug
advanced-triple-layer-forming-fabric
Last updated
2026-04-18
GSM range
50–150g/m²
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