100 LBS Assay Potassium Carbonate
100 LBS Assay Potassium Carbonate is out of stock and will ship as soon as it is back in stock.
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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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Excellent service and best delivery timing.
Fast shipping and amazing quality. I would definitely recommend PMC supplies as a seller to shop for that specific stuff. Thank you.
I tested it, and it works great. The impression works well. I need to try a thicker wire. It shipped very fast and it was exactly as shown.. I can't wait to try another plate from this shop.
Fast shipping definitely great item with good quality. I am glad that I have been using PMC supplies to buy my jewelry supplies and tools. Thank you.
It came on time, and even though I haven’t used it yet it is a very good quality product. I have been buying from PMC Supplies for a while and would definitely recommend this place to everyone.
Fast shipment and great quality. Thank you will definitely buy here again.
Great product will buy again
It was a great buy. It came in time and works as described. It is very helpul in a lot of my projects.
Looking forward to using this product. Wanted to get a head start accumulating jewelry supplies.
Nice product. Works as it should.
Shipping cost were atrocious. But product exactly what i needed
Works great!
Excellent, worked very well
Exactly what I needed, very pleased. Great shipping time!
