Calendering (textiles)

Calendering of textiles is a finishing process used to smooth, coat, or thin a material. With textiles, fabric is passed between calender rollers at high temperatures and pressures. Calendering is used on fabrics such as moire to produce its watered effect and also on cambric and some types of sateens.

In preparation for calendering, the fabric is folded lengthwise with the front side, or face, inside, and stitched together along the edges.[1][2] The fabric can be folded together at full width, however this is done less often as it is more difficult.[2] The fabric is then run through rollers at high temperatures and pressure[2][3] that polish the surface and make the fabric smoother and more lustrous.[4] Fabrics that go through the calendering process feel thin, glossy and papery.[2]

The wash durability of a calendered finish on thermoplastic fibers like polyester is higher than on cellulose fibers such as cotton, though each depends on the amount and type of finishing additives used and the machinery and process conditions employed. Durability of blended fabrics reflects the above, and the proportion of synthetic fiber component.

  1. ^ Harmuth, Louis (1915). Dictionary of Textiles. Fairchild publishing company. p. 106. Retrieved July 8, 2009.
  2. ^ a b c d Textile World Record. Lord & Nagle Co. 1907. p. 118. Retrieved July 8, 2009.
  3. ^ Paine, Melanie (1999). Fabric Magic. Frances Lincoln ltd. p. 24. ISBN 0-7112-0995-2. Retrieved July 8, 2009.
  4. ^ Cresswell, Lesley; Lawler, Barbara; Wilson, Helen; Watkins, Susanna (2002). Textiles Technology. Heinemann. p. 36. ISBN 0-435-41786-X. Retrieved July 8, 2009.

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