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U-40 FAQ's about LS Supreme
Q. Can I add a solvent to my mixture?
A. NO. Never add solvent to the LS finishes. They are designed to flow and penetrate without the addition of further thinning agents.

Q. What is the best way to get rid of bubbles?
A. The LS finishes are almost bubble free. The same design which makes them flow and penetrate so fluently, acts as a built in de-bubblier. Diligent usage of heat will only cause more bubbles. Sometimes a very mild soft heat can be used after the resin has been mixed for about 20 minutes

Q. I want to make the mixture thicker—how do I do this?
A. You don’t. It is designed to be of medium viscosity so it will flow and penetrate threads. Making it thicker would defeat it design purpose.

Q. How does Supreme compare to the original LS and LS 2000?
A. LS Supreme is the result of several years development of advanced technology hardeners and resins—it is aimed specifically at rod building. The entire LS series followed the growth of this new technology until it is now stabilized. LS Supreme is the result. LS was step one, LS 2000, was step two.

Q. My mixture seems to last a long long time in the pot—compared to all brands that I have used. Am I doing something wrong?
A. LS Supreme has a long pot life by design. It is two and three times what other brands allow. You easily have 35 minutes and that can be stretched to 45 minutes with a little baby sitting. Yet the turn time is still about 4 hours, and it is tack free in about 6 hours. All the above at 70 deg. F

Q. Can I use my Supreme if it is older than a year?
A. There really is no time limit on Epoxies. The hardener portion may tend to turn brown when exposed to daylight for several years, but it will still perform satisfactorily. The Resins may turn somewhat milky if stored in cold conditions. This is the first stages of crystallization. Merely soak the bottle in hot water for maybe 10 minutes or so, or zap in the microwave for 10 second intervals until it is clear. It is not harmed in any way. Do not heat the hardener portions for any reason.

Q. Can I use the Supreme as a glue?
A. It can be used to glue cork rings and light jobs of this nature. Not recommended for general bonding. Use Rodbond instead.

Q. What makes LS Supreme so special compared to all the other finishes on the market?
A. Its extreme clarity – its relative bubble free nature – its penetrative and high flow characteristics. Easy to work with, very long pot life making it less of a hassle to finish the rod since there is plenty of time to do so.

Q. Can I apply LS Supreme over Permagloss? Over another epoxy?
A. It can be applied over Permagloss with good results. Use caution in applying one brand of epoxy over another brand. The epoxy resins must be abraded prior to applying a fresh coat over them, but you run the risk of the two coats having different properties of modulus, hardness, etc.. Better stick to one brand for multiple coats.