Silicon Dioxide Powder 99 Percent Purity -325 Mesh 500G Resealable Bag Silica Sand Quartz Cristobalite For Lab Use Casting Coatings Epoxy And DIY Projects Kit

Silica Dioxide Powder, 99% Purity, 325 Mesh, 500g
✔️ 99% SiO2, -325 mesh, 500g resealable lab bag for labs and DIY

Silicon dioxide powder is a high-purity silica material used in labs, casting, coatings, epoxy work, and various DIY projects. It comes in a resealable poly bag for easy storage and handling, ensuring long-term shelf life and mess-free use.

✅ 99% minimum SiO2 purity
✅ -325 mesh size with tight distribution
✅ Mohs hardness 7; pH ~7 in 5% suspension
✅ Specific gravity 2.65; quartz mineral
✅ Iron oxide content <0.03%
✅ CAS 60676-86-0; synonyms Cristobalite, Quartz
✅ Pack size: 500g resealable bag

💡 What is silica dioxide powder used for in labs and DIY projects?

Silicon dioxide powder is a handy, inert material used for reliable texture, opacity, and chemical stability in both professional labs and home workshops.

- Epoxy casting, coatings, and surface finishing
- Lab sample prep, filtration aids, and analytical mixing
- Ceramic and glasswork filler for plaster composites and DIY projects