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PTT Stretch Thread

product

1 creator use or recommend it

1 use
Last discussed Jun 28, 2026

PTT (polytrimethylene terephthalate) is a stretch thread used in garment construction that allows seams to stretch without breaking, providing durability in high-movement areas.

Recently discussed in

How I made the World's Best Black Shirt
Shift Fashion Group · Jun 28, 2026

What creators say

Used for: Used for all seams in the shirt to allow stretching without breakage Praised: Allows seams to stretch without breaking

"All of our seams here use a PTT stretch thread. That stretch thread allows you to stretch that seam without fear of any breakage."

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