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The Importance of Packaging Barrier Quality Testing on QC of Milk Powder
1 /3Pages

The Importance of Packaging Barrier Quality Testing on QC of Milk Powder

The Importance of Packaging Barrier Quality Testing on QC of Milk Powder
1 /3Pages

Catalog excerpts

The Importance of Packaging Barrier Quality Testing on QC of Milk Powder-1

The Importance of Packaging Barrier Quality Testing on QC of Milk Powder Abstract: Pollution prevention and safety are the most basic requirements for food packaging. Dairy products are rich in nutrition and are the ideal culture medium for microorganisms, which is easy to be polluted and deteriorated. Suitable processing methods combined with effective packaging can prevent microbial contamination and ensure the health and safety of products. In terms of milk powder, more cost-effective packaging is needed. Key words: milk powder, milk powder packaging, oxygen permeability, oxygen transmission rate, water vapor permeability, water vapor transmission rate In the process of long-distance transportation of milk powder, it is not uncommon for enterprises to lose customer trust and market due to the brown change of products and excessive flora by the permeation of oxygen and water molecules. Packaging quality testing plays a decisive role in the quality control of milk powder and the competitiveness of enterprises. Reasonable packaging can ensure the relative stability of the nutrition and tissue state of milk powder. The fat in milk powder is easy to deteriorate because of oxidation reaction. There are many factors leading to oxidation, such as heat, light, metal ions, etc. The packaging with good barrier can prevent moisture absorption or moisture evaporation of milk powder, but also cut off the pollution of foreign substances, and effectively delay and eliminate this reaction. Labthink VAC-V2 Differential Pressure Gas Permeability Tester and C360M Water Vapor Permeability Test System independently developed and produced by Labthink, can be professionally suitable for testing the barrier performance (oxygen transmission rate, nitrogen transmission rate, water vapor transmission rate) of milk powder packaging materials, and help milk powder manufacturers to monitor the packaging quality of products. Labthink VAC-V2 Differential Pressure Gas Permeability Tester, based on the test principle of differential pressure method, is a professional gas transmission rate tester for film samples, and is suitable for the determination of gas transmission rate, solubility coefficient, diffusion coefficient and permeability coefficient of plastic film, composite film, high barrier materials, sheet and metal foil at various temperatures.

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The Importance of Packaging Barrier Quality Testing on QC of Milk Powder-2

The test principle is as follows: the prepared sample is placed between the upper and lower test chambers and clamp firmly. First, vacuum the low pressure chamber (lower chamber), then vacuum the whole system when the specified vacuum is reached. Then, close the lower test chamber, fill the test gas of certain pressure into the high pressure chamber (upper chamber), and ensure that on both sides of the sample form a constant pressure difference (adjustable). Thus, the gas in the pressure gradient will flow from high pressure side to low pressure side. Through monitoring and processing, the instrument...

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The Importance of Packaging Barrier Quality Testing on QC of Milk Powder-3

Besides ensuring that the barrier performance of milk powder packaging, manufacturers also need to detect and control some other performance parameters of the packaging, such as the heat sealing quality, the overall sealing performance, the residual solvent of the packaging materials, so as to ensure the quality of products. For more details, please Click to Labthink or email to [email protected] for consultation. Labthink is looking forward to enhancing technical exchanges and cooperation with enterprises and institutions in the industry.

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