80gsm Single Side Glossy Kraft Paper for Standard Express Packaging and Food Box Liners
This 80 g/㎡ single‑side glossy yellow kraft paper is the most common grade, complying with GB/T 22865‑2008 premium grade specifications. It features bursting strength ≥305 kPa, longitudinal tear ≥900 mN, and water absorption ≤30 g/m². Widely used for express packaging, cement sacks outer ply, and fast food box liners. The glossy side accepts high‑resolution printing.
Parameter Table (80gsm – premium grade per GB/T 22865-2008)
| Parameter | Unit | Value |
|---|---|---|
| Basis Weight | g/m² | 80 (±4.0) |
| Thickness | mm | 0.10‑0.11 |
| Bursting Strength | kPa | ≥305 |
| Longitudinal Tear Strength | mN | ≥900 |
| Water Absorption (60s) | g/m² | ≤30 |
| Delivery Moisture | % | 8.0±2.0 |
| Density | g/cm³ | 0.6‑0.8 |
Process Introduction
Standard kraft process with sulfate cooking, low beating (25‑35°SR). Fourdrinier forming, multi‑cylinder drying. Single‑side soft calendering (80‑100°C, 50‑100 kN/m). AKD neutral sizing for water resistance. Finished rolls for converting.
Applications & Advantages by Category
- Express Packaging – Outer wrapping for cartons; tear‑proof and moisture‑resistant.
- Cement Sack Outer Ply – High burst strength prevents breakage during filling.
- Fast Food Box Liners – Grease‑resistant; non‑stick for fries and nuggets.
- Gift Wrapping – Natural brown aesthetic; printable with festive designs.
Core Advantage
80gsm is the industry benchmark; proven performance for 80% of packaging applications.
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