Full analysis of low temperature milk packaging
1. Roof box / Gable top box
The gable top box, also known as the fresh house, was invented by
Americans in 1915. It became the representative of fresh milk packaging
as soon as it was launched. In order to ensure freshness, the roof box product requires strong support from the cold chain supply system, from production and processing, storage, transportation and distribution. From , retail, to the hands of consumers, all links are always in a low temperature environment of 0℃-6℃. Roof top boxes have become the main milk packaging in more than 130 countries around the world, and 360 billion rooftop box-packaged milk is consumed every year around the world.
2. Fresh cup
Fresh cups, also known as "paper cups", are beautiful and fashionable,
with small capacity, suitable for drinking while walking, free and easy.
It can be kept below 10℃ for 5 days. It is a kind of fresh-keeping packaging,
so it is called "fresh cup". Its material is easy to absorb, and the cover film
can be peeled off. It can also be heated in the microwave. It is beautiful and convenient. It is a must-have for home and travel.
3. Plastic bags
Plastic bag packaging, simple and economical. Generally, single-layer
polypropylene material is used, which has high requirements for cold chain
storage and transportation. The shelf life of fresh milk is usually within 3 days,
and it has a strong sense of freshness. Plastic bag packaging is safe, hygienic
and affordable, occupying a large consumer market.
4. Environmentally friendly plastic cups
Most of these packaging materials are PP cups and PS cups. These materials
are environmentally friendly materials that are easy to recycle, so they are
called environmentally friendly plastic cups. PP cups have good flexibility,
can withstand high temperatures of 100°C, are light in weight, and are suitable
for pasteurization. Sterilized milk and various milk beverage packaging; PS cup
has good rigidity, stiff and elegant, good surface finish, strong ink printing adhesion, excellent low temperature freezing resistance (-30℃), suitable for
various refrigerated dairy products.
5. Glass bottle
Glass bottles are a typical packaging form for traditional dairy products.
They are recyclable and reusable, and can reduce environmental pollution and
resource waste. Moreover, glass bottles have high visibility, making it easy for
consumers to identify the quality of milk. Compared with other packaging,
glass bottle products also have a better feel. Glass bottle packaging is inconvenient
to recycle and difficult to clean.
6. Plastic bottles
Plastic bottles include multi-layer co-extruded and single-layer HDPE bottles
and BOPP bottles.
BOPP bottles have excellent high temperature resistance. The heat resistance temperature exceeds 100°C. They can withstand ultra-high temperature instant sterilization and secondary high temperature sterilization. The bottle does not
deform, and it is light, highly transparent, and has good low temperature resistance. Suitable for use in northern low-temperature climate environments and not easy to
break.
HDPE bottle packaging is relatively low-cost, and plastic bottle packaging is decorated with shrink labels or labeling.
Plastic bottles are strong, lightweight, easy to carry, easy to store, refrigerated,
and recyclable. However, they cost more and are generally used in mid-to-high-end
products. Plastic bottles have strong plasticity, beautiful appearance, and
fashionable design, and are popular among young consumers.
7. Plastic bucket
Plastic buckets are enlarged versions of plastic bottles, with large capacity and
suitable for the whole family to share. Compared with independent small packaging,
it has a price advantage and can be said to be the ideal packaging for home-packed
yogurt. Home-packing yogurt in large plastic tubs is also a trend.
8. Lianbei packaging
The cup packaging includes four cups, eight cups, twelve cups, etc.
The cup packaging includes the cup body and label. The cup body material is
PS sheet blister molding, the cover film material is aluminum-plastic composite film,
and the ring label There are paper film inner labels and shrink film labels. During the filling process, PS sheet plastic cup forming, labeling, filling, capping film and date printing are completed at one time, which is safe and hygienic.
In order to adapt to market development, it has also adopted some unique
packaging forms, such as double-cup packaging, children's combined cup
packaging, multi-flavor combined cup packaging, combined cup plus layered
filling and children's stick packaging.
9. Environmentally friendly plastic bowl
The environmentally friendly plastic bowl packaging is made of disposable PP
material, which is resistant to high temperatures and low temperatures and can
be stored at low temperatures. It is a food-grade plastic and its degradable
components will not threaten human health. The plastic bowl has a large opening,
is convenient to eat, and has beautiful printing. It is a commonly used packaging
form for mid-to-high-end yogurt.
