The standards of GB1037 and GB/T2679.2 require the determination of the water vapor permeability of plastic films, sheets, aluminum and platinum for packaging and paper and other materials:
The moisture-permeable cup is mainly used for the determination of water vapor permeability of plastic film, sheet, aluminum platinum for packaging and paper. Fully meet the requirements of GB1037 and GB/T2679.2 standards.
The composition of the breathable cup: five parts: gland, cup ring, cup, guide ring and cup stand