All entries for March 2008
March 11, 2008
I found out that:
1)Residence time of polythene granules in the extruder is very imporatnt for the quality of film..It can be one of the main causess of variations.
For the assignment I again read the manufacturing process in details...I found out the possible causes of variations in the extrusion process mainly.It is the most imporatnt factor for the quality of plastic film