In recent years, plastic products, one of the three major printing materials, especially expanded polystyrene, have become a red pollution of people's evil. The disposal of these polystyrene foam packaging has caused serious pollution to the environment. The earth's atmospheric ozone layer; the destruction of geological structures caused by the inability to corrode. These foam plastic wastes have caused great damage to the global environment. This article will introduce you to the printed materials.
Now, hot stamping foil is mainly divided into two kinds of printing materials: hot foil and cold foil. Gold foil printing materials must have metallic luster, so most of them contain components such as coloring agents, and people pay more attention to whether they have some harmful substances. Since many environmental regulations stipulate that all kinds of harmful substances in printed materials cannot exceed the standard, there are many hot foil products in the market that meet the environmental protection requirements.
In the future, printed materials will be developed in the direction of low VOC emissions, low heavy metal content, low energy consumption processing, recyclability, and environmental protection that does not harm human and environmental safety. At present, there are already hundreds of printing companies in the country that have carried out green certification. It is possible that after the number of printing companies that have passed the green certification, the state will issue regulations. Recently, developed countries have entered the era of product carbon footprint, and one day in China will be the same. Therefore, printing companies need to achieve energy conservation, environmental protection and emission reduction as soon as possible to enhance their own competitiveness.
Some food factories do not use food packaging special inks when using paper food printing materials, and most of these non-special inks contain organic solvents such as toluene, which may cause excessive benzene solvents in foods, and benzene solvents are more toxic (in GB). The 9685 standard is not allowed to be used. If it penetrates into the skin or blood vessels, it will endanger the hematopoietic function of the human body, damage the nervous system of the human body, and even cause leukemia.
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