optical sensitization,filtering fineness,duration of thermostatic standing,on the properties of graphic arts film,and put forward an optimal technology program for the graphic arts film production.

Several types of graphic arts films were undergone artificial ageing tests,been kept in an housing of 50℃ temperature and 80% relative humidity for 1-4 days,the resulted data were compared with those stored in either normal warehouse or air-conditioned storage room for 1-2 years.

This article offers an analysis on the present aspects of domestic graphic arts films including assortment ,marketing,quality etc.

Future of Package Printing Technology in New Millennium;

The train of thought and the key technologies of EAS making by printing technology and the new kind of ink were put forward as well as the current technical difficulties.

Among printing technologies,clay-type printing is the earliest as well as the most inspiring and flexible printing technology in ancient times.

This article expounds in several aspects like digitalization,the application of web-print technology,making plate directly by computer,traditional print technology,the development of equipment and all sorts of new special print technology.

The first step is a step of the perfect and developing technology; the second is a step of that LCD challenges to CRT; the third step is a step of that LCD challenges to print technology.