... adhesive and core material, Plastic Polypropylene PP Honeycomb Board / Sheet / Panel / Core is mainly manufactured from a high impact co-polymer ... , industry and Pharmaceutical etc.Specifications of Plastic Polypropylene PP Honeycomb:1. Thickness: 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm, 12mm 2 ... and moisture resistant moistureproof regular round diemater polypropylene honeycomb core panel made in china