Originally Posted by nighthawk
Interesting question, I don't know of anything readily available that reliably bonds nylon to nylon with good strength. Found This .pdf from Du Pont. Describes a bonding adhesive made of Zytel, calcium chloride and ethanol after talking about phenol adhesives, and how to make it, down about page 113. All I know is what I read, so you get to lead us all if you wish. wink
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I used to make this adhesive when I worked at Square D Co. as Materials Engineer. Although I worked in the engineering lab, the adhesive was used on the production line (limit switches, if I remember correctly). The procedure was fairly simple: Take a quantity of Nylon 6/6 shavings and immerse them in a solution of ethanol and calcium chloride. Stir the whole mess at room temp. for a while (several hours at least) until the shavings dissolve. The result is a syrup which is a fairly good adhesive for nylon. At the time, there wasn't anything else suitable for nylon (mid-80s).