Chiffon is much more free-flowing, providing that ideal drape, whereas organza is more structured. Chiffon can also be very soft to the touch while still adhering to a certain standard of thickness. On the other hand, the organza’s thickness varies widely in terms of its structural uses.
When it comes to appearance, this is where you can really tell the difference. Chiffon possesses a sheen that attracts the light, while organza is of a more refined matte. When it comes down to it, each of these materials claims its own distinct characteristics. As such, their use depends upon the specific needs and desired effects of your event.