PP hollow board, hollow board turnover box plastic box GB Note: Refer to the latest "GB6980-86" standard access (HDPE) plastic box as a sample box of raw materials, should meet the following main elements: Material: High-density polyethylene dilute (HDPE ) as the main raw material, calcium carbonate filler, adding a variety of additives, rolled into a hot sticky Gaisu single corrugated board, through binding molding plastic box. Thickness: ≥4mm size: + - 3mm corrugated ribs number: Each 100mm≥13 root Appearance: smooth outer surface, the same batch of product specifications with basically the same color, printing handsome delamination area: per square meter with no more than 15cm, in which each of the no more than 4mm pull-off force N: ≥300 Elongation at break%: ≥8 plane compression force: ≥600N low folding: -20 degrees undivided box nail spacing: ≤75mm lifetime: 10 years to avoid the sun