ESCR TEST
Barrel is kept in direct contact of Sunrays / UV rays for sixty days. No Cracking is observed.
WALL THICKNESS TEST
Barrel is cut axially and circumferentially to measure thickness on 48 different points. Required thickness is maintained.
STACK LOAD TEST
Two barrels filled with water are kept on each other for 28 days. No buckling / deformation is observed in barrel of bottom stack.
Drop Test
Two barrels in each shift is drop tested from 1.2 meters height, as per IS 6312. Barrels are dropped in vertical / horizontal diagonally. No leakage, crack or failure of barrels is observed.
HYDRAULIC TEST
01 kg/cm2 air pressure is applied to water filled barrel for thirty minutes. No rupture / leakage is observed.
AIR LEAKAGE TEST
The drums are subjected to air pressure of 0.2 kg/cm2 for period of 60 seconds. No rupture or leakage is observed.

PROCESS ON LINE CHECKING / TESTING

  • Extrusion of Parison
  • Seating of parison on Blow pin
  • Ejection of barrel by Gripper Finishing of Top and Bottom Pinch off of barrel
  • Finishing of barrel from top ring and neck.
  • Permanent marking on barrel for Traceability
  • Weight of barrel on Electronic weigh balance
  • After cooling of barrels for proper cooling
  • Light test of barrels
  • Wall thickness profile checking
  • Colour dispersion checking
  • Thread / collar ring checking
  • Foreign particles checking / removing by adhesive tape
  • Bung fitting on barrels
  • Printing of barrels
  • Blue flame treatment of printed barrels

Testing of Barrels

  • Longitudinal wall thickness testing by cutting barrel vertically in two parts
  • Circumferential wall thickness testing by cutting barrel from center
  • Four times a barrel is dropped from 1.2 mts. height.
  • Stack-ability test by putting barrels in 01 + 01 stacks to check deformation
  • ESCR test by keeping barrel in open climatic condition for 60 days
  • Tape test for checking printing quality