1. Alumina with ISO9001 certificate 2. Alumina manufacturer for ten years 3. Super purity & excellent service

Name: Alumina

Purity: 99.99%

Color: White

Appearance: White Powder or Granular(ball)

Application: Sapphire crystal

Granular(ball) diameter: 2-4mm(2-3mm 4.1%;3-4mm 95.5%;›4mm 0.4%)

Densities: 3.9g/cm3

Melting point: 2000-2200`C

Impurities(ppm) ‹
Na	5
Fe	1
Co	0.1
Ni	0.5
Ti	1
Cr	2
Mn	0.1
Si	2
B	0.5
Ca	1
Mg	2
Cl	0.5

High purity alumina powder/ball producer