Milk is an excellent source of various nutrients such as minerals and vitamins essential for a healthy body, especially in pediatrics and geriatrics. Milk promotes bone strength, prevents weight gain, and has many other benefits. For these reasons, milk processing companies are improving their services and their packaging machine lines to serve consumers better. Milk powder is an easy way of preserving milk for longer shelf life. So how can you package milk powder? Below is a guide.
Drying milk to become powder reduces its bulk, making transportation more accessible, simultaneously increasing its shelf life. Milk powder packing machines package milk powder in a variety of materials. The ways to package milk powder are;
Using metal cans in milk powder packaging is a common sight in stores across the globe. There are reasons for using cans in packaging milk powder. For instance, cans are readily available in different sizes, which makes it easy for retailers. Metal cans have other vital benefits for packaging. They are durable, strong, and prevent moisture and oxygen from getting to the milk. Metal cans are popularly made of tin, although the tin is just a coating on steel most of the time.
The coating is necessary since steel is prone to corrosion which will contaminate the milk powder.
Flexible packaging materials entail various packaging materials like pouches, sachets, etc. Packaging companies commonly use pouches in place of metal cans. Pouch packaging permits customization in shape and size, allowing companies to be creative when packaging milk powder. Some types of flexible pouches are stand-up pouches, 3-sided seal pouches, spouted pouches, gusseted bags, and zipper pouches.
Stand-up pouches are the prominent ones. Pouches have several advantages like; transportation is easy, requires less raw materials, is not easily broken, and can use them more than once.
Milk powder packaging machines include milk powder filling lines, nitrogen packing machines, vacuum seal jar machines, labeling, and coding machines. These machines perform different functions which contribute to the quality and appearance of the final product. The devices apply both cans and pouches.
Milk powder filling machines fill the powdered milk into different containers such as pouches and cans. The machine picks up the premade pouch for pouches and fills it with the milk powder, then passes it along to the sealing device. On the other hand, filling machines for metal cans work with the same principle as pouch filling machines. High precision auger fills the cans with powder; then, the operator checks the weight of the loaded can
A nitrogen flush packaging machine is a machine that seals packaged foods by introducing nitrogen gas into the container. Using nitrogen as a preservation method will displace oxygen inside the container, preventing oxidation, hence stopping food spoilage. Nitrogen is readily available as it is the most abundant gas in the atmosphere, meaning this process is economical.
The oxygen concentration in nitrogen packing is supposed to be below 2%. Nitrogen is an inert gas and cannot react with food products. A nitrogen sealing machine is applicable in both metal cans and pouches.
A vacuum jar sealer machine is also another popular way of packaging powdered milk. The technique involves creating a vacuum in the container holding milk powder to prolong its shelf life. Unlike the nitrogen gas flush sealing machine, the vacuum seal jar machine removes oxygen from the pouch or metal can, creating a vacuum. The machine then seals the container to prevent the entry of oxygen.
Lack of oxygen inside the container promotes the longevity of milk powder since it inactivates microbes preventing them from growing and causing milk powder decomposition.
Labeling and coding are usually the last steps during packaging. Packaged products must be accurately labeled to prevent any mishandling or confusion that may arise during shipment and delivery. Labeling milk powder pouches is easy as the pouch has a large surface area that permits customization. The adhesive used in labeling can stick to any material, i.e., metal cans or pouches.
Coding imprints important details on products such as manufacturer, production dates, and expiry dates.
Milk powder packaging machine has the following benefits for your business;
Milk powder has become an essential addition to our everyday lives due to its longevity. Many households are preferring milk powder to liquid milk every day. Packaging companies are using this as an opportunity to package their products in the best way possible to gain trust in the market while promoting their brand. For packaging machine manufacturers like Levapack, we ensure that every packaging machine you require is available.