![Paper paperboard]( "Paper paperboard")
Paper packaging is always the most basic unit in our product packaging, the paper account for about 40% of all packaging materials, and this proportion is growing. As the production process and other reasons, the quality of two similar paper products often very different, whether the paper packaging materials you used are comply with the relevant standards of quality requirements?
Type | Test Item |
Paper andPaper-board | Grammage Moisture Content Air permeance Thickness Dry heat treatment Softness Tensile strength Brightness Water Absorption Bursting Strength Opacity Capillary rise Tearing Resistance Transparent Corrugating medium Smoothness Brightness Liner board Folding endurance Ring Crush Strength |