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Diffusion Coefficient and its Significance in Flexible Packaging Testing
1 /2Pages

Diffusion Coefficient and its Significance in Flexible Packaging Testing

Diffusion Coefficient and its Significance in Flexible Packaging Testing
1 /2Pages

Catalog excerpts

Diffusion Coefficient and its Significance in Flexible Packaging Testing-1

Labthink Instruments Co., Ltd. [email protected] +86-531-85068566 Diffusion Coefficient and its Significance in Flexible Packaging Testing Keywords: Diffusion coefficient, Flexible packaging testing, Permeability, Shelf life, Gas transmission rate, Barrier film, Permeability tester, Time-lag method, Half-time method, Prediction method Diffusion coefficient refers to the ability of a material, like a film, to transmit molecules through it due to thermal motion. Imagine tiny gas particles constantly jiggling around. The diffusion coefficient tells you how easily these particles can move through the film pores or spaces between molecules in the film material. In the context of packaging, diffusion coefficient is particularly important for flexible packaging films. These films are used to store food, medicine, and other products. 1

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Diffusion Coefficient and its Significance in Flexible Packaging Testing-2

Labthink Instruments Co., Ltd. [email protected] +86-531-85068566 Labthink VAC-V2 Gas Permeability Tester can measure diffusion coefficient alongside other parameters like solubility coefficient and permeability coefficient. It automates the testing process and offers curve fitting functions for analysis. A good packaging film should have a low diffusion coefficient for gases like oxygen or moisture. This helps prevent these gases from spoiling the product inside by: Limiting oxygen transmission: This is crucial for food items that can oxidize and spoil if exposed to too much oxygen. Minimizing...

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