25 LBS Assay Silica Flour/Sand 400 Mesh
25 LBS Assay Silica Flour/Sand 400 Mesh is out of stock and will ship as soon as it is back in stock.
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25 LBS Assay Silica Flour/Sand 400 Mesh
25 LBS Assay Silica Flour/Sand 400 Mesh
Our premium silica flour for industrial and lab use, the 25 LBS Assay Silica Flour/Sand 400 Mesh, delivers high-purity silica flour with bright white color and inert chemistry. This fine silica flour has an average particle size near 40 microns and ≥99.2% SiO2 purity, ensuring consistent performance with low moisture.
Blended as silica flour for versatile applications, it blends smoothly into ceramic mixes, casting slurries, or filtration media. The 400 mesh specification provides a fine, uniform texture that enhances flow and dispersion in composites and coatings.
- Particle size: ~40 microns with 400 mesh screening
- Bright white color, low moisture content
- SiO2 purity ≥99.2% for predictable results
- Inert chemistry suitable for ceramics, casting, and filtration
- Ideal for lab samples, industrial blends, and quality-controlled processes
Build with confidence—add this silica flour to your cart and ensure consistent, high-purity performance for your next project.
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Love love love!
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!
