... paper tubes. Our core board is mainly used to make high strength chemical fiber tubes, yarn bobbins, industrial paper tubes for ... ,F200,F300,F400,F500,F600,F800,F1000,FB300,FB5003. Reel width: 80mm-2200mm4. Reel diameter: 1000mm-1200mm5. Packing: Wrapped with vinyl film ... dont hesitate to send me your inquiry at any time. High quality Core board