Single Side Glossy White Kraft Paper 45gsm for Color Box Lamination
This 45 g/㎡ single‑side glossy white kraft paper is designed for laminated color boxes, rigid cartons, and book covers. The glossy side accepts BOPP film lamination, UV coating, or aluminum foil without delamination. High tensile strength (MD 31.82N) ensures clean die‑cutting and folding.
Parameter Table (45gsm)
| Parameter | Unit | Value |
|---|---|---|
| Basis Weight | g/m² | 45.4 |
| Thickness | µm | 56 |
| Tightness | g/cm³ | 0.81 |
| Gloss | % | 15.2 |
| Smoothness Front | s | 232.7 |
| Smoothness Back | s | 17.1 |
| Tensile Strength MD | N | 31.82 |
| Tensile Strength CD | N | 24.59 |
| Whiteness | % | 82.01 |
| Air Permeability | µm/Pa·s | 6.12 |
| Water Absorption | g/m² | 24.5 |
| Moisture | % | 5.6 |
Process Introduction
100% softwood virgin pulp, no filler. Single‑side calendering at higher pressure to create dense, smooth surface for lamination. Back side porous for adhesive bonding. Moisture controlled to 5.6% to prevent warping after lamination. Roll or sheet.
Applications & Advantages by Category
- Color Box Face Paper – Laminates with BOPP, PET, or foil for cosmetic/electronics boxes.
- Rigid Gift Boxes – Wraps chipboard; creases sharply without cracking.
- Pharmaceutical Cartons – FDA‑compliant; prints dosage information clearly.
- Book Covers – Softcover binding; accepts hot stamping.
Core Advantage
45gsm heavy grade with excellent lamination adhesion and die‑cut precision.
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