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Recently bought a quart of LureWorks hardener and having an issue with it. Whenever I heat it, it seems to burn, or turn into lumps and these lumps turn reddish purple ruining whatever bait I happen to be making. I have had problems with the hardener on reheated plastic, and new plastisol. I'm not new at pouring and never had this problem before. Any idea whats going on with this. I used MF hardener in the past without issue. I only bought the LW because I had an order there, and was running low. I have a full quart. too much to to toss.

This is happening whether I add at the beginning of the heating or during. Nothing seems to change the outcome. Ideas?

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Are you mixing the hardener in with the regular plastisol?  If you have an 8 oz batch I would add 1oz of hardener and mix well before heating.

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Add  stir, heat remove stir, heat remove stir, heat remove stir. This stuff is almost like a caulk. The other brands I've used were liquid.

This stuff though certainly making the plastic hard, just doesn't seem to want to stir in completely. I beat the hell out of the stuff, and still won't mix in completely. It just seems to turn into lumps in the plastisol.

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3 hours ago, Tiderunner said:

Add  stir, heat remove stir, heat remove stir, heat remove stir. This stuff is almost like a caulk. The other brands I've used were liquid.

This stuff though certainly making the plastic hard, just doesn't seem to want to stir in completely. I beat the hell out of the stuff, and still won't mix in completely. It just seems to turn into lumps in the plastisol.

Sounds like you may have gotten a bad batch.  Contact LureWorks and tell them what's going on.

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Never add hardener during heating. Always add to cold virgin plastic and mix thoroughly. If that is what your doing and it is not mixing then something is going on. Whose plastic are you adding the hardener to?

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Sounds like the hardner is not getting mixed in enough. I have seen two types of hardner . The paste like type like Calhoun’s plastic and the almost watered down hardner like MnF . The watered down one is easy to mix in but takes more.also I  I believe they add  heat stabilizer to it . Which there’s nothing wrong with .Where as the paste type is a PIA to mix in and when I use it I add  Heat stabilizer to it . If I done mix the  crap out of it , it does what you’re describing .

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