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Wet laid

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By: Karen McIntyre

Editor, Nonwovens Industry

To distinguish nonwovens from papers, a wet laid material will be defined a nonwoven if:

  • More than 50%, by mass, of its fibrous content is made up of fibers (excluding chemically digested vegetable fibers) with a length to diameter ratio greater than 300; or

  • More than 30%, by mass of its fibrous content is made of fibers in “a” above and meet one or both of the following criteria:

    • Length to diameter ratio of more than 600

    • The density of the fabric is less than 0.4 g/cc

p { margin-bottom: 0.25cm; direction: ltr; line-height: 120%; text-align: left; orphans: 2; widows: 2 }a:link { color: #0000ff }

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