Paper and paperboard - Determination of dust content

Paper and board dustiness is a measurement of the amount of particulate matter or dust on the surface of paper or board under certain conditions. This value can reflect the flatness and cleanliness of the paper or cardboard surface. Generally speaking, the lower the dustiness, the better the quality of the paper or cardboard surface, which is suitable for some occasions that require higher printing effect.

The dustiness of paper and cardboard refers to the amount of dust generated on the surface and edges under certain conditions, and its determination method is as follows:

• Standard device: Use a dust meter with standard specifications.

• Sample preparation: according to the standard, cut the sample into the specified size and shape, usually the sample size is 100 square centimeters.

• Measurement operation: put the sample on the dust meter, and apply a certain vibration to generate dust on the surface and edge of the sample. By measuring the amount of dust, the Dirt Count of the sample is calculated.

Beichao reminds you: when performing the measurement, you should pay attention to the preparation and storage of the sample to avoid the influence of external factors on the quality of the sample. At the same time, we should also pay attention to the operating specifications to ensure the accuracy of the measurement results. In addition, attention should be paid to the influence of environmental factors, such as dust content and humidity in the air, to ensure the accuracy of the measurement results.