| 摘要 |
PROBLEM TO BE SOLVED: To provide a printing sheet high in blending percentage of recycled pulp, being bulky and excellent in opacity even with low basis weight.SOLUTION: There is provided a printing sheet manufactured by paper making raw material pulp having recycled pulp of 75 mass% or more and having a percentage of a first layer residue (C) of 25 mass% or more and 35 mass% or less, the percentage of a second layer residue (C) of 17 mass% or more and 25 mass% or less, the percentage of a fourth passage (C) of 15 mass% or more and 25 mass% or less in a sieving degree (mass%) measured with a sieve opening of a sieving net of a first layer of 710 μm, the sieve opening of the sieving net of a second layer of 355 μm, the sieve opening of the sieving net of a third layer of 180 μm and the sieve opening of the sieving net of a fourth layer of 106 μm according to JIS-P8207 (2009) on disintegrated pulp having a basis weight of 41 g/mor more and 47 g/mor less and disintegrated from the printing sheet according to JIS-P8220 (1998). |
