|
Main definition
|
[Eng]
Irreversible alteration, generally deterioration, of the properties of paper in course of time. Aging also causes reduction in brightness and yellowing effect.
|
| Other definitions |
[Eng] Accelerated Aging
A technique to estimate the permanence of paper by exposing it to simulated conditions of heat, moisture, and/ or chemicals. |
[Eng] Accelerated Aging
Exposing paper at elevated temperature usually at 110C in an oven or on a hot plate. The purpose of accelerated aging is to simulate the effect of aging in the laboratory. |
[Eng] Automatic Packaging System
Term applicable to any one of several available systems for open mouth and valve bag packaging where bags are automatically applied to filler spout, filled, weighed, closed (if open mouth), palletized, and shrink wrapped. |
[Eng] Packaging Paper
Collective term for papers of different pulp composition and properties, sharing only the application. Selection and mixture of the pulps depend on the demands made on the paper. Important are tear strength, bursting strength, creaseproofness, abrasion resistance as well as elasticity and stiffness. Often also good printability is demanded (packaging as advertising medium). For special purposes packaging paper can be imparted wet strength or water repellent properties or made impermeable for aromas or water vapour. For these purposes either special additives are admixed to the pulp or the paper is coated, impregnated or combined with plastic and/or metal film. |
[Eng] Packaging Paper
A paper or paperboard used for wrapping or packing good. |
