Specify two test methods of gas permeability test in details, differential-pressure method and equal-pressure method, introduce the test principle and test atmosphere of those two, as well as give the compare of them in several aspects. Continue reading
This paper introduces the principle of equal-pressure method to test oxygen permeability of film, and expands on the oxygen permeability test of film by Labthink TOY-C1. Continue reading
This paper expands on the actual operation procedure of VAC-V1 to test the gas permeability of film. Continue reading
This article briefs on the methods and mechanisms of preservation and storage of fruits and vegetables. Continue reading
According to the standard of GB/T 2918, this article attempts to give a detailed explanation on the influence of test environment on physical property of flexile package. Continue reading