Testing Powdered Milk Packaging Barrier Performance

Milk powder, a nutrient-rich powerhouse, demands meticulous packaging to maintain its quality and safety. As it journeys from production to consumption, it faces numerous challenges: exposure to oxygen, moisture, and microbial contamination. To safeguard this delicate product, stringent packaging testing is paramount.

The primary concern for milk powder packaging is to ensure optimal barrier properties against oxygen and water vapor. Oxygen can lead to oxidation, causing rancidity and compromising the product's taste and nutritional value. Excessive moisture, on the other hand, can promote microbial growth and accelerate degradation.

To assess these critical parameters, advanced testing instruments are employed. Labthink Gas Permeability Tester (C130H) measures the rate at which gases like oxygen and nitrogen permeate through packaging materials. This helps evaluate the barrier properties of films, sheets, and foils used in milk powder packaging, identifying potential weak points and optimizing performance.

C130H Gas Permeability Tester is based on the differential pressure method, and is professionally applicable to the determination of gas transmission rate, solubility coefficient, diffusion coefficient and permeability coefficient of plastic films, composite films, high barrier materials, sheets, and metal foils at different temperatures. The testing process conforms to GB, ISO, ASTM and other international standards.

Labthink Water Vapor Permeability Tester (C360M) determines the rate at which water vapor passes through packaging materials. This is crucial for assessing the moisture barrier properties of films, sheets, and paper-based packaging, ensuring that the packaging can effectively protect the milk powder from moisture-induced degradation.

C360M Water Vapor Transmission Rate Test System is designed and manufactured based on the gravimetric determination method and conforms to the requirements of ASTM E96. This instrument can be used to measure the water vapor transmission rate of barrier materials with high, medium and lower moisture barrier properties with a wide testing range and high testing efficiency. The instrument features Labthink’s patented test chamber design with multiple test dishes. C360M is equipped with precision made test dishes, highly accurate balance, embedded professional software which supports automatic controlling of temperature, humidity and flow rate precisely and guarantees the testing sensitivity and repeatability of the test results. C360M is applicable to determination of water vapor permeability of plastic films, sheeting, paper, packages and other packaging materials in food, pharmaceutical, medical apparatus, building materials and consumer goods, etc.

While oxygen and water vapor permeability are paramount, other factors also influence the overall packaging performance. Proper heat sealing is essential to ensure a secure closure, preventing contamination and moisture ingress. Testing for residual solvents is crucial to guarantee the safety of the packaged product. A robust seal is necessary to withstand handling and transportation stresses.

By employing advanced testing instruments and comprehensive testing protocols, manufacturers can optimize milk powder packaging to preserve product quality, extend shelf life, and enhance consumer confidence. Rigorous packaging testing is a cornerstone of the milk powder industry, safeguarding product integrity and meeting the evolving demands of consumers.

As the demand for functional packaging materials grows, testing methods are evolving to ensure a more comprehensive evaluation of packaging films. Labthink encourages collaboration with packaging industry companies for quality control! Visit the website www.labthink.com to learn more!