Each layer of the multilayer sample is not mechanically separated, and the thickness of each single layer of the sample is measured under the specified pressure. The average value of the total thickness of the multilayer product must be determined in advance according to the requirements of GB/T 13761
Each layer of the multilayer sample is not mechanically separated, and the thickness of each single layer of the sample is measured under the specified pressure. The average value of the total thickness of the multilayer product must be determined in advance according to the requirements of GB/T 13761
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