Plastic film moisture-permeable cup

Main application
The film moisture permeability cup is used for determining the ability of plastic film packaging to allow water vapor to pass through by the moisture permeability cup absorption method.
Test accessories
A set of moisture permeability cups includes four moisture permeability cups and a set of positioning devices.
Optional items
LFY-223 Film Moisture Permeability Sampler

User-provided
1. Sealing wax;
2. Anhydrous CaCl₂ desiccant;
3. Petri dish;
4. Heating equipment for molten wax;
5. Spouted beaker (for pouring wax).

Applicable standards 
GB 1037-1988 Test Method for Water Vapor Permeability of Plastic Films and Sheets (Cup Method) 
YBB 00092003 Water Vapor Transmission Rate Measurement Method