our core board is mainly used to make high strength chemical fiber tubes, yarn bobbins, industrial paper tubes for paper milling and plastic film ect! .The specification of our core board is as following :

1,substance:230g/m2 -600g/m2

2,grade:F200,F300,F400,F500,F600,F800,FB300,FB500

3, Reel width:80mm-2200mm

4,reel diameter:1100-1150mm

5,packing:wrapped with vinyl film for water proof

if you have interest in our product and would like to have more information about our core