Straight fusible stay tape is used to prevent stretch in straight sections such as front edges and shoulder seams. In addition to straight tape, we also offer stay tape that helps prevent seam slippage in woven fabrics, where the yarn shifts at the seam and creates gaps. The main material is polyester, and nylon is also available.
For seams that follow the grain of the textile or raw cut edges, choose straight tape to help prevent distortion. For woven fabrics that need seam allowance reinforcement, stay tape is the guideline. Customer reviews mention use at pocket openings, zipper attachment, and jacket front edges, as well as a crisp finish and good conformity to thin or soft materials.
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It has just the right amount of tension and has a very solid finish.
I think it's for textile with a certain degree of firmness.