| Parameter | Specification |
|---|---|
| Base Material | 100% virgin wood pulp kraft paper, no impurities or odors |
| PE Film (Composite) | Minimum 25μm thickness, food-grade compliant |
| Valve Design | Positional deviation within 3mm, width 80-100mm (±1mm tolerance) |
| Dimension Tolerance | Standard: ±3mm, Custom: Adjustable per requirements |
| Load Capacity Testing | 25kg: 1.2m drop test (3 repetitions) 50kg: 0.8m drop test, static capacity >50kg |
| Printing Standards | Environmentally friendly inks, positional deviation ≤5mm, clear legibility |