This standard specifies the integrity requirements and inspection and evaluation methods of the V-90S vacuum film extruder. This standard is applicable to the V-90S vacuum extruder. Vacuum extruders of other specifications can also be implemented with reference.
SJ/T 31259-1994 history
1970SJ/T 31259-1994 Requirements of readiness and methods of inspection and assessment for V-90S vacuum squeeze coaters