What Requirements Should Stretch Wrap Meet

The products of stretch wrap film manufacturers must be qualified before they can be delivered, and the stretch wrap film we use should meet some relevant requirements.
First, stretch winding film in use, need to have a good transparency, you can choose the GB/T2410-1980 transparent plastic transmittance and fog test method to detect. Two, in the standard viscosity, tension retention, not easy to deformation, elastic recovery, puncture resistance are the special test method standards for tensile winding film. Three, if the stretch winding film in the sea or high humidity environment, to protect the product from moisture or moisture absorption, it is required to be sealed after winding.
All in all, products packaged with stretch and wrap film are clean, very sanitary and clean, and sealed packaging can also prevent dust and humidity.