Evaluating the overall performance of BOPP color thermal sensitive synthetic paper can be done from the following aspects:
1、 Physical performance evaluation
Thickness and dimensional stability
Measure the thickness of paper using a caliper or thickness gauge to ensure it meets the requirements of specific application scenarios.
Evaluate the dimensional stability of paper under long-term use or environmental changes to ensure the accuracy of printed content.
Tensile strength and tear strength
Measure the tensile strength of paper using a tensile testing machine and evaluate its durability under stress.
Use a tear testing machine to test the tear strength of paper and ensure that it is not easily damaged during use.
Stiffness and flatness
Evaluate the stiffness of the paper to ensure that it maintains good shape and stability during printing and use.
Use a flatness tester to measure the flatness of paper to reduce issues during the printing process.
Transparency and glossiness
Check the transparency of the paper to ensure that the background of the image or text can be clearly displayed before being subjected to thermal reactions.
Measure the glossiness of paper using a glossiness meter and evaluate its visual effect.
2、 Thermal performance evaluation
Thermal reactivity
Use a thermal head to test at different temperatures and observe the reaction speed and color rendering effect of the paper.
Evaluate the thermal sensitivity of paper at different temperatures to ensure that it can function properly at the specified thermal head temperature.
Color clarity and stability
Check the color clarity and contrast of the paper by printing test samples.
Evaluate the thermal storage of paper to ensure that printed content is not easily faded or blurred over a long period of time.
3、 Weather resistance evaluation
Water resistance
Soak the paper in water for a period of time and observe its deformation and fading.
Evaluate the durability of paper in damp or wet environments to ensure that printed content is not eroded by moisture.
Light resistance
Expose the paper to a light source and regularly check for fading.
Evaluate the durability of paper under lighting conditions to ensure that printed content is not easily faded in sunlight.
Temperature resistance
Place paper in high and low temperature environments and observe its performance changes.
Evaluate the stability of paper under different temperature environments to ensure that it can maintain normal use under extreme conditions.
4、 Chemical performance evaluation
Content of harmful substances
Use a chemical analyzer to detect harmful substances such as heavy metals, formaldehyde, benzene, and bisphenol A in paper.
Ensure that the paper meets environmental requirements and guarantees user health and environmental safety.
PH value
Measure the pH value of paper using pH test strips or pH meters.
Evaluate the acidity and alkalinity of paper to ensure its safety for print heads and other devices.
5、 Printing performance evaluation
Printing adaptability
Check the printing adaptability of the paper to ensure that it can adapt to various printing processes and equipment.
Evaluate the performance of paper during the printing process, such as ink adhesion, drying speed, etc.
Brightness and Durability of Colors
Check the color brightness and durability of the paper by printing test samples.
Ensure that the paper produces bright and long-lasting colors when heated, meeting printing requirements.
In summary, evaluating the overall performance of BOPP color thermal sensitive synthetic paper requires comprehensive consideration from multiple aspects such as physical properties, thermal sensitivity, weather resistance, chemical properties, and printing performance. Through comprehensive testing and evaluation, it can be ensured that the quality and performance of the paper meet the requirements of specific application scenarios.