Application

W301 2.0 water vapor permeability analyzer is designed to test the water vapor transmission rate (WVTR) of films or sheets materials with the principle of Gravimetric Method.

Infrared method water vapor transmission rate tester W401L is a high-end precision packaging material testing instrument, newly developed and upgraded by GBPI Research and Development Team based on ASTM, GB standard requirements and market demand. It is used to test the water vapor transmission rate of samples under set temperature and humidity conditions. It is suitable for the water vapor transmission rate performance test of films, sheets, papers, packages and various materials in the fields of food, medicine, medical equipment, daily chemistry, photovoltaic electronics, etc.