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2. Moisture vapor transmission rate - Wikipedia

   en.wikipedia.org/wiki/Moisture_vapor...

   ASTM D1434 - Standard Test Method for Determining Gas Permeability Characteristics of Plastic Film and Sheeting; ASTM D3079 - Standard Test Method for Water Vapor Transmission of Flexible Heat-Sealed Packages for Dry Products; ASTM D4279 - Standard Test Methods for Water Vapor Transmission of Shipping Containers-Constant and Cycle Methods

3. Hygroscopy - Wikipedia

   en.wikipedia.org/wiki/Hygroscopy

   in the condensation of the water-vapour of the air on the cold surface of a glass; in the capillarity of hair, wool, cotton, wood shavings, etc.; in the imbibition of water from the air by gelatine; in the deliquescence of common salt; in the absorption of water from the air by concentrated sulphuric acid; in the behaviour of quicklime". [4]

4. Package testing - Wikipedia

   en.wikipedia.org/wiki/Package_testing

   The testing can be of empty containers or of full containers with appropriate jell or ice packs, contents, etc. Ovens, freezers, and environmental chambers are commonly used for this and other types of packaging. Effects of shock and vibration on thermal performance may also be studied.

5. Polycarbonate - Wikipedia

   en.wikipedia.org/wiki/Polycarbonate

   Stress from fasteners, plastic welding and molding render polycarbonate susceptible to stress corrosion cracking when it comes in contact with certain accelerants such as salt water and plastisol. It can be laminated to make bullet-proof "glass" , although "bullet-resistant" is more accurate for the thinner windows, such as are used in bullet ...

6. Package cushioning - Wikipedia

   en.wikipedia.org/wiki/Package_cushioning

   Equipment for a drop test of cushioned package to measure the transmitted shock Proper performance of cushioning is dependent on its proper design and use. It is often best to use a trained packaging engineer , reputable vendor, consultant, or independent laboratory.

7. Linear low-density polyethylene - Wikipedia

   en.wikipedia.org/wiki/Linear_low-density...

   LLDPE has penetrated almost all traditional markets for polyethylene; it is used for plastic bags and sheets (where it allows using lower thickness than comparable LDPE), plastic wrap, stretch wrap, pouches, toys, covers, lids, pipes, buckets and containers, covering of cables, geomembranes, [1] and mainly flexible tubing. In 2013, the world ...