Emery Grains Stones are forms of bonding abrasive particles together with various binders. It is used in the metal, glass, and ceramic industries.
Classification of Emery
abrasive sizes are: very large, large, medium, fine, very fine
abrasive feature: aluminum oxide, silicon carbide, diamond, CBN
binder feature: ceramic, bakelite, rubber, graphite, magnesite, silicate
hardness: very hard, hard, medium, soft, very soft
texture: very often, often, moderately, infrequently, and very rarely
purpose of use: surface grinding, external grinding, internal grinding, screw grinding, tool grinding, cutting, honing, deburring, center grinding, centerless grinding, gear grinding
shapes: such as flat, shaped, conical, bowl, circlip, cylinder, handle, screw, rod, or hanger.
Natural Emery Grains Chemical Element Natural Aluminum Oxide (corundum) – Al2O3
Characteristics Hard, tough and rough rock type of natural corundum Natural grey color
Applications
Surface preparation ◆ Flooring Anti-skid ◆ Sanding ◆ Blasting
Grinding ◆ Polishing ◆ Traction enhancement ◆ Filler
Chemical Analysis
- Al2O3: 58 – 65 %
- SiO2: 7 – 10 %
- Fe2O3: 20 – 25 %
- CaO: 0.8 – 2 %
- LOI: 3 – 5 %
Standard Grit Sizes
3,0 – 5,0 mm
1,0 – 3,0 mm
1,0 – 2,0 mm
Physical Analysis
- Specific Gravity: 3.8 g/ml
- Mohs Hardness: 8-9
- Polishing Stone Value (PSV): 66
Additional information
- Packaging: 25 kg PP woven bags / 1.000 kg big bags
- Custom Tariff Nr.: 2513 2000 000 / CAS Nr.: 1302-74-5
- REACH: Not subject to registration in accordance with Annex V of the REACH regulation
- Production process: washed, dried, crushed, sieved and classified
- This is a product from Nature. Color may have different varieties of grey shades