This document discusses the online quality control parameters monitored at each stage of manufacturing biaxially oriented polypropylene (BOPP) film, from raw material intake to final product packaging and dispatch. Key stages include extrusion, stretching, drying, winding, slitting, inspection of physical properties. Standard operating procedures, checklists, and work instructions are in place to guide production and quality control at each stage.

1. Dryer Parameter
Online Parameter
QC
Online QC
CHIPS Drying Extruder Spinning Filter Die
( QC ) (QC) ( QC ) Pump
Extruder On line gauge controller
Chips Quality Parameter
Monitored Online QC
MDO Parameter MDO
On line QC
TDO Parameter TDO
On line QC
On line gauge controller
Incoming Packing Winder Winder parameters
material inspection Mill Roll on line QC
Container Mill Roll QC
Fumigation Inspection & Ware House Packing Slitting Properties of
Loading The Film
Roll Formation
Slit roll Dimensions Average gauge
Visual Defects inspection Thickness variation
DESPATCH Slitting Parameters Optical Properties
Tensile Strength
Elongation
Thermal shrinkage
COF
Delamination
BDV ( Di electric Strength)
For every processing activity we have defined SOP /SOC , Checklist and work Instruction In place.
Quality Flow Chart