Buyer's Guide · Board book guide

Board Book Printing: Thickness, Rounded Corners and Child-Safety Standards Explained

Short answer: board books mount 128–157 gsm art paper onto 1.0–2.5 mm greyboard — roughly 1.5 mm with rounded corners R3–R6 for ages 0–3, sealed edges and EN 71-3 safe coatings.

Last updated: 2026-10 · 10 min read · By the Renjie editorial team · Includes: thickness chart, spec sheet template

Editor's draft. Structure is final; the hard numbers in this guide are being confirmed against real production data from our plant before publication. Expected figures: 1.0-2.5 mm.

Section outline

What makes a board book · Board thickness guide (1.0–2.5 mm) · Rounded corners · Edge sealing and lamination · Safety standards table · Spec your book in 5 fields

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