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1. Film permeability testing:
   • Oxygen permeability testing of various films
   • Nitrogen permeability testing of various films
   • Carbon dioxide permeability testing of various films
   • Water vapor permeability testing of various films
     Common testing materials:
     PE,LDPE,HDPE,PP,BOPP,CPP,PET,PA,EVOH,EVAL,PVC,PVDC,AL,KOP,KPET,KPA,KMF,aluminum plated PET, aluminum coated CPP, BOPP with matte surface treatment, PA/AL/CPP ,PA/PU, PET/AL/PA, PE/AL/PET, five-layer co-extrusion film, seven- layer co-extrusion film


2. Oxygen permeability testing of various bottle package and bag package:
   Common testing products: beer bottle, coke bottle and mineral water bottle.



3. Automotive interior decoration testing:
   • Fogging testing
     Scope of material:
     foamed materials, textile, non-woven fabrics, leatheroid, leather, instrument board, headlight, and cushion material, cotton cloth; Test the atomizing property of raw material in the state of liquid, paste, powder and solid.
   • Auto gas permeability testing
     Leather, leatheroid, non-woven fabrics, thermal insulating film, battery diaphragm of various kinds
   • Water vapor permeability testing
     Leather, leatheroid, non-woven fabrics, fabrics
   • Adhesive strength testing
     Various adhesive products

Operation Flow:

 

Schedule of fees for testing items(F.1)

LABORATORY TESTING

Note: about 'normal'

A - Testing period of specimen longer than two weeks is an exception
B - Testing cannot be carried out for unexpected factors is an exception

• Jinan Languang Lab is only responsible for testing data and will not involved in solving legal disputes.
• Requirement of specimen:
  Appearance of specimen-
  No crease, no scratches, no pinholes and no contamination; package specimen without crumple, without contamination, without sloughing of permeable layer and no extrusion from outside force.
• Specimen dimension :
  - Auto gas permeability testing -
  (O2N2CO2, etc) specimen dimension of differential pressure method=120mm 120mm VAC-V1 BTY-B1P
  - Oxygen permeability testing
  specimen dimension of equal pressure method=140mm& 140mm
  - Testing requirement of package -
  inner diameter of bottle mouth F13mm, external diameter F50mm
  - water vapor permeability testing -
  sensor method=110mm 180mm
  electrolyzing method =120mm 120mm
  cup method =120mm 120mm
  atomizing method =F80mm 6
  specimen member = three / specimen of each kind/testing of each kind
• Customers should provide information such as the full name, specification, material ,batch number of specimen and information about whether specimen should be returned
• Make clear the testing basis, testing standard and orientation of gas transmission

If there is any objection about the testing data, customers should give a formal notification within ten days from the date on which testing report is provided. Deferred objection will not be accepted.