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Calculating Basis Weight and Methods Used


Paper is used in several operations within businesses and industries. For consumers, paper plays a very important role in their daily lives. But there is a particular concept in the industry known as basis weight measurement. This will help them determine the prices of their purchases, the materials and the volume as they visit the stores.

Basis Weight Defined

Basis weight refers to the weight of a ream of paper sheets and is measured in pounds. One ream is equivalent to 500 sheets and this remains as the standard unit in the commercial world. Papers have various sizes, widths and materials so the basis weight can vary depending on these factors and according to various reams. Individuals can measure these figures using customary inches and metric inches and by following a specific formula. The simplest method involves using both a metric ruler and an ordinary ruler. A scale is also needed.

To begin with the process, you have to press the zero button until it reads as zero. Take a sheet of paper over the scale. Then, remove it to prepare it to be measured using the metric rule. To arrive at the area measurement, multiply the width and length and the result will be in square meters. For instance if the paper is .3 meters by .8 meters, then the total area of the sheet is .24 meters. Then, it is time to divide the mass in grams by the calculated area in square meters. Based on the example illustrated earlier, if the sheet has a mass of seven grams, then you have to divide seven by .24. The result is 26.17 rounded with estimations.

Then, it is time to measure the paper’s width and length and take this by inches. Then, multiple these two figures to arrive at the basic area. The result from this and the result from the previous measurement will have to be multiplied as well. After another division process, then the resulting figure will stand for the basis weight of this particular sheet of paper. This is very manual way of measuring the basis weight and can have inaccuracies. If you are not satisfied about this and if yours in an industry that needs to measure tons of paper sheets, it is best to contact a reliable company.

Equipment Used

A reliable company that performs basis weight measurement makes use of equipment that are more advanced that a metric ruler. They may either use Beta sensors, infrared-run equipment, microwave moisture, ash measurement for those with calcium carbonate materials, clay and more, and X-ray sensors. Through hiring the services of these companies, one can ensure the best of accuracy and precision in dealing with papers and paper-based products. Industries that make use of these services include packaging companies, school supplies businesses and consumer retail stores.
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