... Honeycomb Board / Sheet has proved that it is suitable in the uses of packaging, advertising, construction, agriculture, ... 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm, 12mm 2. Weight: From 250g/m2 to 3500g/m23. Standard Size: ... / Sheet offers the following unique advantages1. Economical: both in use and purchase2. Flexible: as a material and as ... round diemater polypropylene honeycomb core panel made in china