150‑450gsm Single Side Glossy Kraft Board for Corrugated Face Paper and Industrial Packaging
This range of single‑side glossy yellow kraft board (150‑450 g/㎡) is designed for heavy industrial applications: corrugated box face paper, rigid cartons, and industrial protective wraps. High density (0.7‑0.9 g/cm³) and bursting strength up to 1500 kPa (scaled) provide structural integrity comparable to cardboard but with a glossy printable surface.
| Parameter | Unit | 150gsm | 250gsm | 450gsm |
|---|---|---|---|---|
| Basis Weight | g/m² | 150±7 | 250±10 | 450±15 |
| Thickness | mm | 0.20‑0.22 | 0.35‑0.40 | 0.60‑0.70 |
| Bursting Strength | kPa | ≥600 | ≥1000 | ≥1800 |
| Longitudinal Tear Strength | mN | ≥2000 | ≥3500 | ≥6000 |
| Water Absorption | g/m² | ≤30 | ≤30 | ≤30 |
| Moisture | % | 8.0±2.0 | 8.0±2.0 | 8.0±2.0 |
Multi‑ply forming or heavy single‑ply on cylinder paper machine. High proportion of unbleached softwood sulfate pulp. Beating degree 30‑38°SR. Pressing with heavy linear pressure. Single‑side calendering for gloss. Rewound into rolls or cut into sheets.
Corrugated Box Face Paper – Glossy exterior for high‑impact graphics; combines with fluting.
Rigid Cartons – Replacement for gray board in luxury packaging; lighter and printable.
Industrial Protective Wraps – Wraps steel coils, pipes, and machinery; tear‑proof.
Pallet Interleaving – Separates layers of heavy goods; high compression strength.
150‑450gsm kraft board replaces solid fiberboard; one‑side gloss enables branding on heavy industrial packaging.
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