Core Board Paper F400 Production Description: 1) F400 Specialty Paper, Core Board Paper 2) High Density, high electrical strength, low compression index 3) Substance: 230g/m2-600g/m2 4) Reel Width: 80mm-2200mm 5) Reel Diameter: 1000mm-1200mm Technical Specifications: Item Unit F400 Specialty Paper Basic Weight 0.400mm 304 380 456 532 300 0.500mm 375 0.600mm 450 0.700mm 530 Thickness 360g/m2 0.470 0.550 0.590 0.670 0.700 0.480 420g/m2 0.560 450g/m2 0.600 510g/m2 0.680 530g/m2 0.700 Ply Bond J/m2 400 Ring Crush ¬â0.4mm 18.0 27.0 í_0.4mm 25.0 Moisture Absorption (60s) g/m2 70-250 Moisture % 6.5-8.9 Usage: Make high strength chemical fiber tubes, yarn bobbins, industrial paper tubes for paper mill and plastic film and etc. Package:Wrapped with vinyl film for waterproof, then core paper packed, wooden pallets.