High Fold Resistance Pure Paper Back Strip 80g for Exercise Books and Notebooks
Product Details
| Basis Weight: | 80 G/m² | Thickness: | 0.11 Mm |
|---|---|---|---|
| Width: | 15‑50 Mm (customizable) | Roll Length: | 1000 M |
| Folding Resistance: | ≥50 Times | Tensile Strength: | MD ≥3.0 KN/m |
Product Description
Designed for standard exercise books and softcover notebooks, this 80 g/m² pure paper back strip offers excellent fold resistance (≥50 times) and tensile strength (longitudinal ≥3 kN/m). Made from long‑fiber wood pulp paper, it ensures even glue absorption without bleed‑through. Available in white, beige, and custom colors, it reinforces the spine, prevents page detachment, and enhances the professional finish of bound books.
| Parameter | Unit | Value |
|---|---|---|
| Basis Weight | g/m² | 80 ±2.0 |
| Thickness | mm | 0.10‑0.12 |
| Width | mm | 15‑50 (customizable) |
| Roll Length | m | 1000 (standard) |
| Roll Core Inner Diameter | inch | 2 or 3 |
| Folding Resistance | times | ≥50 |
| Tensile Strength MD | kN/m | ≥3.0 |
| Tensile Strength CD | kN/m | ≥1.5 |
| Moisture Content | % | ≤8 |
| Adhesive Compatibility | — | White glue, hot melt glue |
Pure paper back strips start with long‑fiber kraft paper rolls. The paper is surface‑cleaned and static‑eliminated, then coated on one or both sides with starch glue, PVA, or acrylic emulsion at 120‑180 g/m². It passes through a hot‑air drying tunnel at 80‑110°C to reduce moisture ≤8%. After cooling, the web is precisely slit into widths from 15 to 50 mm and rewound into 1000m rolls. Strict quality control ensures uniform glue distribution and high folding endurance.
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Student Exercise Books – Reinforces spine against daily flipping; prevents pages from falling out.
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Softcover Notebooks – Provides neat, wear‑resistant edges; conceals staple marks and glue residue.
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Workbooks & Journals – Long‑lasting durability even with heavy use.
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Manuals & Booklets – Affordable reinforcement for mass‑produced publications.
Why Choose This Paper – 80g pure paper back strip is the economical choice for standard bookbinding, delivering reliable spine reinforcement at high production speeds.
Product Highlights
Designed for standard exercise books and softcover notebooks, this 80 g/m² pure paper back strip offers excellent fold resistance (≥50 times) and tensile strength (longitudinal ≥3 kN/m). Made from long‑fiber wood pulp paper, it ensures even glue absorption without bleed‑through. Available in white, ...
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