Plastic packaging material

摘要

This invention discloses a method of preserving horticultural products (10) by providing a plastic packaging material (12) having a thickness of up to about 500 microns and a permeability to water vapor exceeding about 1.5g mm/m<-2> per day at 38 degrees C and 85 - 95 % relative humidity, whereby when the material (12) is used to package produce and other horticultural products (10) no condensation appears on a surface of the material.