The raw silk features uneven in length and contains silk gum which causes barres in knitting,indicating poor knittability,but it could be improved by mixing staple silk with polyester fiber.

• 生丝由于细度不匀,含有丝胶,在针织生产中易出现横条疵点,可编织性差,采用丝短纤与涤纶混纺可克服这一缺点。