| MOQ: | 1 |
| Price: | $0.10 |
Calibrated paper underpacking is a precision-engineered packing material used in offset printing presses to control cylinder pressure and achieve accurate packing thickness. The product ensures stable printing pressure, improved print quality, and consistent press performance.
| Layer | Description |
|---|---|
| Surface Treatment | Anti-slip / anti-corrosion coating |
| Paper Core | High density natural virgin fibre paper |
| Calibration Layer | Precision thickness grinding process |
| Property | Test Method | Specification | Unit |
|---|---|---|---|
| Density | GB/T451.2 ISO536 |
±1% | g/cm³ |
| Tensile Strength | ASTM D828 | ≥ 4.5 | kN/m |
| Moisture Content | ISO 287 | 6 ±2 | % |
| Friction Coefficient | Internal | ≥ 0.45 | - |
| Thickness Accuracy | GB/T451.3 ISO534 |
±1% | mm |
| surface roughness | GB/T22363 ISO8791-4 |
≦2.0 | μm |
| Thickness (mm) | Colour Code |
|---|---|
| 0.10 | Light Yellow |
| 0.15 | Brown |
| 0.20 | Green |
| 0.25 | Orange |
| 0.30 | Yellow |
| 0.40 | Blue |
| 0.50 | Grey |
| Item | Specification |
|---|---|
| Sheet Size | Supports customization of any size |
| Sheets per Pack | 100 / 200 |
| Outer Packaging | Corrugated carton |