8 OZ Assay Silica 70 Mesh
8 OZ Assay Silica 70 Mesh
8 OZ Assay Silica 70 Mesh is an essential ingredient for your assay flux. Used as an ingredient of assaying flux (or flux thinner) for melting or smelting gold and other precious metals, this silica base delivers reliable performance under high heat. Formula: SiO2.
Designed with 70 mesh particle size, it blends evenly with flux mixtures to promote controlled melting and smooth metal flow. It acts as a stabilizing silica flux, reducing slag losses and providing a consistent chemical environment for precious metal assays.
Key Features
- High-purity SiO2 provides a stable base for assay flux.
- 70-mesh particle size ensures even mixing and predictable melting behavior.
- Perfect as an assay flux or flux thinner for melting or smelting gold and other precious metals.
- Inert under high temperatures with minimal impurities to improve assay accuracy.
- Packed in a ready-to-use 8 oz supply for repeated lab or workshop use.
Add to cart to streamline your smelting and assay processes.
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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
