| Abstract |
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The grape and mango paper bag is used to prevent the pesticide pollution and the erosion by wind and rain of growing grape and mango fruit. The bag paper is produced with bleached coniferous pulp in 50-80 % and bleached broad-leaved pulp in 20-50 5% as well as whitener, rosin size, aluminium sulfate, paraffin solution and wet strength agent. The paper has a beating degree of 25-40 SR deg, wet weight of 4-8 g and unit area weight of 35-38 g/sqm. The paper bag is permeable, waterproof and soft and is used for grape, mango and other plant. |