White Aluminium oxide grain abrasives

Detailed Product Description

White Aluminium oxide grain:
1. Abrasives for sandblasting;
2. Al2O3: 99.55 min;
3. Manufacturer;
4. Hot sale overseas.

Description

White Aluminium oxide grain is made from high quality alumina by melting above 2000°C in the electric arc furnace and then cooling. It is with high purity, great self-sharpening, acid and alkali resistance, high temperature and stable thermal performance. Its hardness is a little higher than brown fused alumina. It is with low toughness, great grinding ability, small heat and high efficiency.

Physical and chemical analysis

Physical properties		Chemical compositions	Value of specifications (%)
Hexagonal		Al2O3	≥99.55
Main crystal body	Al2O3
Color	white	Na2O	≤0.22
Grain density	≥3.9 g/cm3
Bulk density	1.75-1.95 g/cm3	SiO2	≤0.03
Morse hardness	≥9
Linear expansion coefficient(1/°C)	8.3x10-4	Fe2O3	≤0.04
Loss on ignition (%)	≤0.08

Performance and advantages of sandblasting

1. Not affecting the color of the processing cases;

2. Sandblasting in the non-iron process;

3. High speed processing and quality;
4. Containing a very low amount of iron oxide, suitable for non-ferrous blasting operations;

Usage

It can be made to the abrasives, suitable for sandblasting and grinding high carbon steel and staining steel and other fine-grained abrasive; also be used for precision casting and high-refractory materials.