WPI-g-00047040–300 g/m²Virgin kraft75% confidence
Anti-rust Base Kraft Paper.
Industrial packaging paper grade. Permanent ID WPI-g-000470 — verified, source-traced, free.
GSM 25
25g/m²
lighter
GSM 40 · this
40g/m²
WPI-g-000470 · standard
GSM 70
70g/m²
heavier
01
Canonical specification
Basis weight
40–300g/m²
Fiber source
Virgin kraft
industrial packaging
Paper type
industrial packaging
Confidence
75%
source: wpi
WPI ID
WPI-g-000470
Slug
anti-rust-base-kraft-paper
Last updated
2026-04-18
GSM range
40–300g/m²
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