Is it ok to use Acetone to clean syringes? I'm told it leaves no residue behind like some alcohols.
I assume I want to clean syringes if I change between finish types. Unfortunately, I only have 2 syringes at the moment. More on order.
Thanks

Being such a strong or "hot" solvent, it can cause problems with some plastics. You'd have to test it on a pair and see what it does to them.

There isn't any real need to clean syringes. Just keep one for the resin and one for the hardener.

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Even if I switch from Pro Kote to Threadmaster?

No need to clean them.

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Todd,
Every now and then, if I end up with dried material in the syringe, I will use Xylene to clean the syringe.

Xylene is the basic solvent for epoxy resin and hardener.

Normally, Xylene does not hurt the syringe material, but as Tom pointed out; always test first.

I will use the rounded bottom of a craft stick, as well as a pick to clean out a syringe that has a build up of resin or hardener in the bottom.

You can find Xylene in the paint department of any of the big box or hardware stores.

Good luck
REW

Thanks guys

Mark your syringes with an A and a B and if you change the type make sure you use the hardener syringe with the Hardener syringe and you should have no problems

Bill - willierods.com

I think that the easiest, quickest and most accurate method to deal with syringes is drilling a hole in each cap just big enough to tightly fit a syringe tip into. Invert the bottles and draw out the amount of finish you want and squirt into a mixing cup. Stick the syringe back into the cap and draw back an inch or so and place on a shelf until next time. When the bottles run dry take the caps/syringes off and place on new bottle. Never have to clean the syringes and you can't mix them up or lose them. I've been using the same syringes/caps for at least a couple years and NEVER clean them. Quick, easy, no mess, no fuss and consistent, no brainier measurements every time no matter how little you mix.

Mike (Southgate, MI)
If I don't want to, I don't have to and nobody can make me (except my wife) cuz I'm RETIRED!!

That is why I mark them so I don't get them mixed up As long as you use each with the same hardner no problems Even if you change brands

Bill - willierods.com