Physical characterization of press fabrics: basis weight, air permeability, void volume under loading and pressure uniformity, Technical Information Paper TIP 0404-20 (2026)


This Technical Information Paper provides a means of measuring several fabric characteristics of new press fabrics. For on-machine monitoring of the press fabric, refer to TAPPI TIP 0404-19 “Press Section Monitoring.”

The characteristic properties covered in this TIP are (a) the basis weight or unit area weight, (b) the air permeability, (c) the void volume and (d) the pressure uniformity of a press fabric. The supplier typically performs these measures.

This revision combines information from earlier versions of TIP 0404-20 with material from withdrawn TIPs 0404-32 and 0404-34.

 
TIP 0404-20
Physical Characterization of Press Fabrics: Basis Weight, Air Permeability, Void Volume Under Loading and Pressure Uniformity, Technical Information Paper TIP 0404-20 (2026)
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