Product Overview

Our GC1 folding box board is a reliable choice for premium packaging. It has a smooth coated surface, great stiffness, and consistent quality. It prints beautifully with sharp colors and clear details, works well for folding and die-cutting, and is widely used for cosmetics, pharmaceuticals, food, and gift boxes. It's sturdy, easy to process, and perfect for brands that want both good looks and reliable performance.

Board Composition

Multiple Coating

Bleached chemical pulp

BCTMP

Bleached chemical pulp

Light coating

Size & Dimensions (US & International Standards)

We offer precision-cut sheets and rolls to meet the demands of professional printers, designers, and packaging manufacturers:

Size Category	Dimensions (Inches)	Dimensions (mm)	Common Market
Standard Sheet	31" x 43"	787x1092	Print Industry Standard
Standard Sheet	35" x47"	889x1194	Print Industry Standard
Standard Sheet	27.5" x 39.4"	700x1000	Middle east
Standard Sheet	35.43" x49.21"	900x1250	North America
Custom Sizes	As Requested	As Requested	All Markets
Standard Sheet	25" x 38" (Parent Size)	635 x 965	Print Industry Standard
A3 Size	11.69" x 16.54"	297 x 420	Global / Design

Weight	Thickness (Approx.)	Best For
170-190 gsm	10-12 PT (0.254-0.305 mm)	Lightweight covers, booklet inserts
210-250 gsm	13-15 PT (0.330-0.381 mm)	Greeting cards, premium folders, menus
270-300 gsm	16-18 PT (0.406-0.456 mm)	Business cards, postcards, invitations
350-400 gsm	20-24 PT (0.508-0.610 mm)	Rigid packaging, luxury boxes, covers

Product Grades & Options

We offer multiple grades of C1S Bristol Board to suit different applications and budget requirements:

Grade	Description	Ideal For
GC1 / FBB (Folding Box Board)	High whiteness (90%+), excellent stiffness, multi-layer construction	Cosmetic boxes, pharmaceutical packaging, premium printed materials
SBS (Solid Bleached Sulfate)	Pure bleached chemical pulp, highest purity, FDA food-contact grades available	Food packaging, medical devices, luxury goods
High Bulk GC1	Enhanced stiffness-to-weight ratio, lightweight yet rigid	Cost-effective packaging, mailers, lightweight boxes
GC2 (Yellowish Back)	Economy grade with cream/yellow back side	Shoeboxes, industrial packaging, cost-sensitive applications

Technical Specifications

Specification Item	Standards / Specs	Description
Raw Material	100% Virgin Wood Pulp	Chemical-mechanical pulp or bleached chemical pulp. No recycled content unless specified
Coating	C1S (Coated One Side)	Single-side coated with kaolin clay or starch. Smooth, high-ink-receptive surface
Coating Side	Top Side	Gloss/matte finish available. ≥40 gloss units, ≥100ml/min smoothness
Back Side	Uncoated	Natural fiber finish. Excellent for writing, gluing, or secondary printing
Whiteness (CIE D65)	Top: 90% ±3% / Back: 85-90%	High brightness for vibrant color reproduction
Opacity	> 92%	No show-through, even at lower grammages
Stiffness (Taber 15°)	CD: 2.1-14.0 mN·m (depending on GSM)	Excellent rigidity for structural applications
Internal Bond	≥100 J/m²	Strong ply bond resists delamination during folding
Folding Endurance	MD ≥15 folds	Suitable for creasing and folding without cracking
Surface Strength	≥1.2 m/s (IGT pick test)	Handles high-tack inks without picking
Moisture Content	6.0% - 8.0%	Optimized for dimensional stability
Cobb Water Absorption (60s)	Top ≤45 g/m² / Back ≤60 g/m²	Controlled absorbency for consistent printing

Why Choose Our?

Superior Print Surface:The fully coated surface delivers exceptional smoothness and ink receptivity. Expect crisp halftones, vibrant solids, and precise detail reproduction that makes your brand packaging stand out on shelf.
Rigid & Durable:Made from 100% virgin wood pulp, this board offers outstanding stiffness. It feels substantial, stays flat, and resists bending or curling.
Crack-Resistant Folding:Engineered for clean folding. Achieve professional creases without cracking-perfect for high-quality boxes, folders, and cards.
Versatile Uncoated Back:The natural reverse side is perfect for writing, gluing, or secondary printing. Ideal for packaging that needs handwritten notes or labels.
Eco-Friendly Choice:FSC-certified materials available. Our paper is biodegradable, recyclable, and sourced from responsibly managed forests.