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The impact of tinplate packaging materials on the environment

Published on:

2022-07-05 09:42

Packaging materials for tinplate cans that meet environmental protection requirements

Existing containers include iron cans, aluminum cans, paper and plastic containers. The recycling characteristics of these containers are different, but iron cans are better than other packaging materials in terms of recycling.

Based on the imminent implementation of the international environmental management standard ISO-14000, tinplate cans with low pollution, recyclability and resource-saving characteristics will have broader development space in future packaging applications:

1. Low pollution:

The main raw material tinplate in the iron can container is actually environmentally harmless and can be decomposed naturally, because when the iron can exists in the environment, it can be naturally oxidized and return to the original iron oxide state, returning to nature, so the scrap iron can The stacking can be decomposed by time, and will not remain and cause environmental pollution. At the same time, it is not necessary to cut down trees to make iron cans, so as not to damage the ecological balance.

2. Recyclable:

The iron can itself has a characteristic that other packaging materials do not have - it can be adsorbed by magnets, so the magnetic separator can be used to separate the iron cans from the waste by magnetic force. Using this characteristic, it is easy to recycle the waste. The effect of 80% tin can. The invention of the environmental protection cover not only makes the use of iron cans safer and more hygienic, but also effectively reduces the amount of garbage, which has direct and obvious benefits for recycling operations.

3. Provincial resources:

In terms of removing other pollution residues on iron cans, shredder equipment has been developed, which can effectively remove more than 98% of pollutants and provide good quality scrap iron. In addition, the United States also pointed out that the existence of aluminum easy-open lids is beneficial to scrap iron recycling, because it can reduce the amount of Hot Metal used in steelmaking and reduce the overall cost of steel manufacturing. In addition, in terms of energy saving, the report pointed out that compared with iron ore production, the use of tinplate scraps to produce steel can save about 230m3 of natural gas consumption per ton of scrap scraps, so the recycling process of iron cans can reduce the impact on the global environment. And energy impact, in line with future product trends.


Tin plating solution


a main purpose

This product is suitable for anti-oxidation of red copper and phosphor copper, improving anti-rust performance, and increasing the beauty of copper parts.

Two performance characteristics

1. It can turn the copper surface into a bright silver-white surface, and has the aesthetic effect of white copper or bright stainless steel surface color.

2. Improve the anti-oxidation and anti-discoloration performance of red copper, prolong the anti-rust period, and the salt spray test can last up to 40 hours without rusting.

3. It does not affect the metal properties of copper and does not affect the electrical conductivity.

4. Make this product, the surface color of the brass workpiece is grayish white

Three technical indicators

Project Metrics

Appearance State Slightly cloudy white liquid

Specific gravity about 1.1

Odor Slightly unpleasant odor

PH value 1-2

Corrosive slightly corrosive

Relevant information