WPI-g-00045750–300 g/m²Virgin kraft50% confidence

Anionic Surface Size.

Name: Anionic Surface Size
SKU: WPI-g-000457

Printing paper grade. Permanent ID WPI-g-000457 — verified, source-traced, free.

GSM 35

35g/m²

lighter

GSM 50 · this

50g/m²

WPI-g-000457 · standard

GSM 80

80g/m²

heavier

Canonical specification

Basis weight

50–300g/m²

Fiber source

Virgin kraft

printing

Paper type

printing

Confidence

50%

source: wpi

WPI ID

WPI-g-000457

Slug

anionic-surface-size

Last updated

2026-04-18

GSM range

50–300g/m²

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