# Grains

Manufacturing reference articles in Grains.

[Manufacturing Wiki](https://planar.so/wiki/index.md)

- [Alumina polishing suspension](https://planar.so/wiki/abrasives/grains/alumina-polishing-suspension.md): Alumina abrasive suspensions, particle and carrier distinctions, metallographic uses, and limits of formulation-specific evidence.
- [Black silicon carbide abrasive](https://planar.so/wiki/abrasives/grains/black-silicon-carbide-abrasive.md): Black SiC abrasive grain identity, producer-specific chemistry, particle shape, density and hardness limits, and F versus P grit designations.
- [Brown fused alumina](https://planar.so/wiki/abrasives/grains/brown-fused-alumina.md): Brown fused alumina grain chemistry, grade variants, density and hardness bases, heat treatment, sizing systems, and application limits.
- [Ceramic alumina abrasive](https://planar.so/wiki/abrasives/grains/ceramic-alumina-abrasive.md): Sol-gel alumina abrasive grains, seeded-gel variants, particle shape, microstructure, size designations, and the limits of grain-level performance claims.
- [Cerium oxide polishing powder](https://planar.so/wiki/abrasives/grains/cerium-oxide-polishing-powder.md): Ceria polishing powders, composition bases, particle-size measurements and the limits of chemical-mechanical glass-polishing evidence.
- [Chromium oxide polishing compound](https://planar.so/wiki/abrasives/grains/chromium-oxide-polishing-compound.md): Chromium(III) oxide abrasive identity, powder and compound variants, product-specific size claims, and limits of composition and polishing evidence.
- [Colloidal silica polishing suspension](https://planar.so/wiki/abrasives/grains/colloidal-silica-polishing-suspension.md): Silica sol identity, grade-specific chemistry, particle-size measurements, concentration bases and the limits of polishing evidence.
- [Cubic boron nitride abrasive](https://planar.so/wiki/abrasives/grains/cubic-boron-nitride-abrasive.md): cBN grain identity, producer-specific crystal and coating variants, superabrasive sizing, and limits of thermal and grinding comparisons.
- [Garnet abrasive](https://planar.so/wiki/abrasives/grains/garnet-abrasive.md): Natural garnet abrasive identity, producer-specific mineral and oxide analyses, particle form, sieve distributions, density, and the limits of blasting and waterjet grade claims.
- [Green silicon carbide abrasive](https://planar.so/wiki/abrasives/grains/green-silicon-carbide-abrasive.md): Green SiC grain identity, producer-specific chemistry and treatment, particle-size systems, packing density, and limits of color-based comparisons.
- [Iron oxide polishing rouge](https://planar.so/wiki/abrasives/grains/iron-oxide-polishing-rouge.md): Ferric oxide identity, named rouge powders and mixed compounds, particle-size terminology, and limits of composition and polishing evidence.
- [Monocrystalline diamond abrasive](https://planar.so/wiki/abrasives/grains/monocrystalline-diamond-abrasive.md): Single-crystal diamond grain identity, supplier-specific fracture and coating variants, size measurements, and limits of thermal and application evidence.
- [Polycrystalline diamond abrasive](https://planar.so/wiki/abrasives/grains/polycrystalline-diamond-abrasive.md): Loose polycrystalline diamond grain, supplier-specific size distributions, crystallite dimensions, fracture claims and distinctions from sintered tools and suspensions.
- [White fused alumina](https://planar.so/wiki/abrasives/grains/white-fused-alumina.md): Electric-fused alpha-alumina abrasive grains, with grade-specific chemistry, size systems, treatments, measurement bases and source limits.
- [Zirconia alumina abrasive](https://planar.so/wiki/abrasives/grains/zirconia-alumina-abrasive.md): Fused alumina-zirconia grain families, producer-specific chemistry and microstructure, treatments, hardness and packing measurements, sizing systems, and performance limits.