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WVTR is expressed as _________

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in Food Packaging Technology by (63.0k points)
WVTR is expressed as _________

(a) gm^2/hr

(b) g/m^224hr

(c) g/m^2hr

(d) g/cm^224hr

I had been asked this question in an online quiz.

I need to ask this question from Diffusivity and Permeability in Plastics in division Thermoplastic Polymers Properties & Processing of Food Packaging Technology

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The correct option is (b) g/m^224hr

Explanation: WVTR – Water vapour transmission rate is expressed as gm^2/24hr. WVTR is the quantity of water vapour in gram that will permeate from one side of a film of an area 1m^2 to other in 24 hours.

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