The performance of circular colored copperplate label paper when in contact with common chemicals mainly depends on the properties of the chemicals, the material of the label paper, and their interactions. The following is a detailed analysis of this issue:
1、 Possible effects of chemicals on copperplate label paper
Dissolution or corrosion: Certain strong acids, alkalis, or organic solvents may dissolve or corrode the coating or substrate of copperplate label paper, causing deformation, fading, or damage to the label.
Chemical reactions: Certain chemicals may react with certain components in copperplate label paper, resulting in color changes, odors, or harmful substances.
Penetration: Some liquid chemicals may penetrate into the fiber structure of copperplate label paper, causing the label to become blurry or difficult to recognize.
2、 The resistance of copperplate label paper to chemicals
Coating protection: Copperplate label paper usually has a special coating that provides certain waterproof, oil resistant, and chemical corrosion resistant capabilities. Therefore, for certain weak acids, weak bases, or low concentration chemicals, copperplate label paper may have some tolerance.
Material selection: The choice of substrate and coating materials for copperplate label paper can also affect its resistance to chemicals. Some special copperplate paper may be made of materials that are more resistant to chemical corrosion, thus better resisting the erosion of chemicals.
3、 Precautions in practical applications
Understanding the properties of chemicals: When using circular colored copperplate label paper, it is necessary to first understand the properties of the chemicals that will be in contact, including their acidity, volatility, corrosiveness, and whether they will react with the label paper.
Choose appropriate label paper: Based on the properties of the chemical, select copperplate label paper with corresponding tolerance. For example, for highly corrosive chemicals such as strong acids, strong bases, or organic solvents, label paper with higher chemical corrosion resistance should be selected.
Testing and Validation: Prior to practical application, small-scale testing can be conducted to verify the resistance of the selected label paper to chemicals. This helps ensure that the labels remain clear, complete, and readable in practical use.
In summary, the performance of circular colored copperplate label paper in contact with common chemicals depends on multiple factors. To ensure the reliability and durability of labels, it is necessary to select appropriate label paper based on the properties of the chemicals and conduct necessary testing and verification.