Paper quantitative test ( GB/T451.2-2002 "Determination of quantitative paper and board")
Quantification is one of the most basic performance indicators of paper, and quantification is often regarded as a characteristic parameter of paper. The so-called "quantitative" is the "mass per unit area of ​​paper and board measured in accordance with the specified test method, and the unit is g/m2 ."
The accuracy of paper quantitative determination is related to the area accuracy of the tested sample and the accuracy of the weighing device. The test method standard has stringent requirements for the sample cutting device and the weighing instrument. The key point is in the sampling accuracy of the quantitative sampler. Because the fiber of the corrugated medium is relatively thick, it is recommended to use a stamped circular doser first.
The recommended instrument is: Paper Quantitative Sampler.
The main technical parameters:
Sample area: 100cm2 .
QD-3018 paper
Quantitative sampler
  Sampling area error: ± 0.35cm2 .
  Sample thickness: (0.1 to 1.0) mm .
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