Quote Originally Posted by Angler's Choice View Post
No you can't add raw concentrated resin (hardener) to cooked plastisol, you need to add it cold and mix the crap out of it. But again we need to know what company makes the plastisol and hardener to give you a better answer.

It is far easier to get the plastic in the hardest compound you will need and soften it.
In another old post LC500 is recommended for tubes.
What are you using for your tubes?