Characteristics and Application of Tinplate

Tinplate packaging has a wide range of coverage in the packaging container industry due to its good sealing, preservation, light protection, sturdiness and unique metal decorative charm. It is an internationally popular packaging variety. With the continuous enrichment of various CC materials, DR materials and chrome-plated iron of tinplate, the development of packaging products and technology has been promoted, and tinplate packaging is full of innovation everywhere.

Light shielding 

In addition to causing food degradation reactions, light also causes changes in proteins and amino acids. Vitamin C is more likely to interact with other food ingredients when exposed to light, resulting in a large amount of loss. According to research and analysis, the loss of vitamin C in milk in transparent glass bottles is 14 times higher than that in dark bottles. Light will also cause oxidative odor in milk, as well as cracking of nuclides and methionine, and loss of nutritional value. The opaqueness of tinplate can make vitamin C have the highest preservation rate.

Good tightness 

The barrier of packaging containers to air and other volatile gases is very important for the preservation of nutrients and sensory qualities. Comparison of various fruit juice packaging containers proves that the oxygen permeability of the container directly affects the browning of the juice and the preservation of vitamin C; the metal cans, glass bottles and aluminum foil laminates with low oxygen permeability, and the preservation of vitamin C in the carton Better, among which the tin can is the best.

Tin reduction 

Tin on the inner wall of tinplate will interact with the oxygen remaining in the container during filling, reducing the chance of food ingredients being oxidized. The reduction effect of tin has a good preservation effect on the flavor and color of light-colored fruits and juices. Therefore, juice jars using unpainted iron cans are better in nutrient preservation than those in other packaging materials, and the brown color changes slightly. The acceptance of flavor quality is better and the shelf life is extended.

Because of these properties, tinplate cans provide a closed system that completely isolates environmental factors from heat, and avoids foods that are deteriorating due to light, oxygen, and moisture. It is polluted and smells bad. The stability of food storage is better than other packaging materials. Vitamin C has the highest preservation rate and the best preservation of nutrients.

Tinplate is widely used, from packaging materials for food and beverages to grease tanks, chemical tanks and other miscellaneous tanks. The advantages and characteristics of tinplate provide good protection of the physical and chemical properties of the contents.

Canned food 

Tinplate can ensure the sanitation of food, minimize the possibility of corruption, and effectively block the dangers of health. At the same time, it also meets the convenience and speed of modern people’s diet. It is tea packaging, coffee packaging, health care product packaging, candy packaging , Cigarette packaging, gift packaging and other food packaging containers are preferred.

Beverage can 

inplate cans can be used to fill juice, coffee, tea and sports drinks, as well as cola, soda, beer and other beverages. The high workability of tinplate cans makes the shape of the cans change a lot, whether tall, short, large, small, square, or round, which can meet the diversified needs of today’s beverage packaging and consumer preferences.

Grease tank 

Light will trigger and accelerate the oxidation reaction of oils and fats, reduce the nutritional value, and may also produce harmful substances. More serious is the destruction of oily vitamins, especially vitamin D and vitamin A. The oxygen in the air promotes the oxidation of food fats and oils, reduces the biomass of proteins, and destroys vitamins. The opacity of tinplate and the sealing effect of sealed air are the best choices for packaging fat foods.

Chemical tank 

Tinplate material is strong, good protection, no deformation, shock resistance, fire resistance, is the best packaging material for chemicals.

Spray can 

Tinplate cans that can withstand high temperatures and pressures are particularly suitable for high-pressure spray cans.

Dry miscellaneous tank 

Variety of tins and beautifully printed biscuit buckets, stationery boxes and milk powder tins are all tinplate products.

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