Water Vapour Permeability Tester


Water Vapour Permeability Tester

Technical Specification

Speed of rotation of wheel 75rpm
Distance between axis of rotation and axes of bottle 67mm
Maximum number of bottle which can be mounted at a time 6
Inner diameter of bottles 30mm
Speed of rotation of fan 1425rpm
Size of blades of fan 75 x 90 mm
Motor ΒΌ HP 230 volt single phase AC

Water vapour permeability of leather is evaluated by clamping a circular test specimen over the mouth of a bottle containing a solid desiccant and subjecting it to a rapid current of air. The air inside the bottle is circulated in weight if the desiccant in motion. The increase in weight of the bottle over a specified interval of time gives the quantitative measure of the water vapor permeability of the leather sample under test.

 

Related standard

  • Iup/25 : official method of international union of leather Chemists society
  • Is15298 (part - I) : method of physical testing of leather
  • ISO 8782-1 : 1998

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