Other uncoated Krafliner paper, unbleached, in rolls or sheets, weighing 225g/㎡ or more but less than 360g/㎡(tightness 0.68g/ cm3 or more, burst index not smaller than 2.6kPa·㎡/g, cross- direction ring crush Index not smaller than 7.5N/ m·㎡/g cross-direction folding endurance not less than 60 times, other than saturated kraft paper)
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