TAPPI T 580 pm-12

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This method describes the procedure for measuring bulking thickness and variations in tissue paperand tissue products. This test method uses a relatively low pressure 2 kPa (0.3 psi) because of the collapsible structure of tissue paper. TAPPI T 411 Thickness (caliper) of paper, paperboard, and combined board uses a relatively high pressure 50 kPa (7.3 psi).

An essentially identical method is described in ISO 12625-3 Tissue paper and tissue products – Part 3: Determination of thickness, bulking thickness and apparent bulk density.

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4

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1 file , 43 KB