For fabrics prepared from cotton or blends, the distort threads are layered with a bonding agent substance known as 'size‘; to avoid the threads flouting during weaving. Although many diverse compounds have been used to size fabrics, starch and its derivatives have been the major general sizing agent. After weaving, the size must be removed all over again in order to organize the fabric for dyeing and finishing.
This procedure (de-sizing) must be conceded by treating the fabric with chemicals such as acids, alkali or oxidizing agents. However, starch flouting enzymes (amylases) are chosen for de-sizing due to their high efficiency and precise action. Amylases carry about absolute removal of the size with no any harmful effects on the fabric. An additional benefit of enzymes in contrast to strong chemicals mentioned on top of is that enzymes are environment friendly.
Goodrich offers amylases for de-sizing which work at different
temperatures and for different equipments.
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