high quality Core Board for paper tube

ourcore board for paper tube 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 board,please don't hesitate to send me inquiry! I'm looking forward to your inquiry any time