Flexible graphite reel：width:1000-1500mm, lenth:0-500m thickness:0.15-1.7mm, density:0.7-1.5g/cbm density tolerance(g/cm3) ?.04 tensile strength(mps)≥4.5 ash content≤1.0≤1.0 thickness tolerance ?.03mm thermal weightlessness≤450℃ 1.0% ≤600℃ 20%