Alumina for Ruby&Sapphire

Brief Description
Classification: Alumina CAS No.: 1344-28-1 Other Names: aluminum oxide
MF: AL2O3 EINECS No.: 215-691-6 Place of Origin: Henan China (Mainland)
Grade Standard: Industrial Grade Purity: 99.99% Appearance: White Powder or Granular(ball)
Application: Sapphire& ruby crystal Brand Name: UNION Model Number: Aluminum oxide
Densities: 3.9g/cm3: Melting point: 2000-2200`C  
Delivery Terms & Packaging
Packaging Detail:25kg pp bags or inner packed by hermetic poly bag, outer packed by drum
Delivery Detail:within 5-7 working days
Specifications
Alumina for Ruby&Sapphire

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