Quote Originally Posted by offdtop View Post
your right mostly.... Gortex is a brand name for "expanded PTFE (teflon), "Teflon" is the registered TM of Dupont. Basically is a fluffy version of teflon, but they can use it in a liquefied state and spray it onto fabrics and it can wear off depending on how it is used. Your higher end stuff will use a layer as where others use a spray on version of tiny microfibers.
I will take your word for it but I have never heard of gortex being applied in a spray form. I have only seen it used in a membrane form.