PURPOSE:To obtain bulky yarn consisting of an acryl conjugate of specific content value or above and capable of dyeing a cut pile product, because the tip of cut pile is not opened when dyed. CONSTITUTION:The objective bulky yarn consisting of at least =60% acryl conjugate (preferably having at least 5% shrinkage and appearing =25/25mm crimps when heat-treated with boiling water under no loading). Furthermore, the above-mentioned acrylic conjugate is preferably spun, drawn and then subjected to shrinkage process and re-drawn, though there is no limitation in producing method therefor. Final draw ratio is preferably =1.12 times.
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