100 LBS Assay Potassium Carbonate
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100 LBS Assay Potassium Carbonate
100 LBS Assay Potassium Carbonate
100 LBS Assay Potassium Carbonate serves as a precise fluxing agent for melting or smelting gold and other precious metals. This high-purity potassium carbonate formula (K2CO3) delivers consistent fusion and reliable results in assaying flux workflows. As an essential ingredient of assaying flux (flux thinner), it supports clean melts, minimizes contamination, and enhances melt throughput for reliable assay outcomes.
- Bulk 100 lb packaging for labs, refineries, and jewelry studios
- High-purity K2CO3 with stable composition and low moisture
- Ideal for fire assay flux, smelting, and gold refining
- Supports clean fusion, reduces slag formation, and improves precision
- Compatible with standard crucibles and assay setups
Whether you're conducting assaying flux or flux thinner formulations, this potassium carbonate helps optimize fusion, improving reproducibility in precious metals testing. It delivers stable, predictable performance across batches, supporting safe handling and storage. Ideal for professional labs and jewelry studios seeking reliable assay results.
Add to cart today to secure consistent results in your next assay.
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$0.30
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$14.35
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$5.25
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$28.33
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Let customers speak for us
The price is right on this and it looks well made.
Perfect thank you
Exactly what I've been looking for. Works perfectly.
I am a novice e-waste refiner and PMC Supplies has been the sole company I have trusted throughout my journey. This borax is excellent and most of all, CONSISTENT! Thank you PMC.
Great product! Trusted seller. Fast shipping despite weighing nearly 50-pounds.
Fabulous lortone tumbler and in prestine condition! Great deal. Unbeatable.
Muy buena calidad
It is poorly made, the 1st photo is the one you get. One drawer was stuck and took a few minutes to wiggle it out. You can see the glue sticking out everywhere. The price is extremely high for what it is. I'm very disappointed.
Foredom lubricant kit excellent price and great
Got what i ordered
Seems to be a nicely built item. Will provide further evaluation when fired up.
Great product and customer service!
Love this pliers. Helps me cut a straight line from my bezels
Quality is excellent, the item matched the description and they met my expectations
Awesome! Best product out there
