... 8-10%),Breaking resistance index (KN./g)3.5, Ring pressure index (N.m/g)8, Core paper -112g/, ... Core paper -130g/, Ring pressure index (N.m/g)7,( Water percentage 8-10%), 3/5/7layer Corrugator ... 8-10%), Breaking resistance index (KN./g)3.5, Ring pressure index (N.m/g)8, Core paper -112g/, Ring ... Core paper -130g/, Ring pressure index (N.m/g)7,( Water percentage 8-10%),Single facer corrugator- Designed ...