Why nuts food sack will be peculiar smell, how should solve?

Small make up again today to share knowledge, and our company's business elite chat today: some nuts production enterprises reflect the nuts food sack a pungent smell. Small make up today for everyone to look at the: root cause analysis: 1, printing process control; Lead to dissolve packaging printing ink solvents ( Alcohols, ketones, lipid solvent, benzene, etc) Not sufficiently volatile, under the action of nut oil composition, residual solvent easier to migrate to nuts inside. 2, improper composite process control; Lead to the use of nuts food packaging in composite by adhesives, organic solvent composition not dissolve adhesives. 3, raw material quality is poorer; Used in the production of nuts, food packaging bags of resin raw material itself or to add small molecule substance content more with peculiar smell. 4 quality is poorer, adhesives; In composite process at high temperatures generated when the use of adhesives harmful material such as toluene diamine. Experts advise: 1, focus on nuts food sack of solvent residue, content of evaporation residue, toluene diamine, such as potassium permanganate consumption performance indicators of health detection. 2, choose the appropriate printing ink ( For example, no solvent ink) , adjust the printing glue adhesion agent, and in the process of the composite evaporation, drying technological parameters. Well, how about packing bags of nuts food is that knowledge is very useful to you? Tomorrow we will be pleasantly surprised unceasingly, continues to update the knowledge about all kinds of bags!
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