The chemical difference between 7d polyester dty and 36f polyester dty yarn are in the form of " dty", which means that they are made in different fibers. On Alibaba.com, you can find a huge variety of wholesale dty yarn in bulk, for those who want to opt for the dye-sublimation properties of their yarn.
Bothd and 36f are used in transfer printing materials, such as polyester, dye sublimation, silk, and linen yarn.