99.99% Purity Aluminium Oxide Alumina Powder Price for Sapphire Crystal

• Customization: Available
• CAS No.: 1344-28-1
• EINECS: 215-691-6
• Model NO.: 4N
• Form: Powder
• Formula: Al2O3
• Structure Feature: White Powder
• Usage: Chemical Industry Product
• Source: Particle
• Material: Al2O3
• Type: Chemical
• Effect: Used for Sapphire/Pulishing/Abrasive
• Transport Package: 25kg/Barrel
• Specification: 99.99%min
• Trademark: Aotai
• Origin: P. R. China
• HS Code: 2818200000
• Production Capacity: 300tons/Year

Product Description

Product Description

1.Luminescent materials: rare earth trichromatic phosphors used as the main raw material long afterglow phosphor, PDP phosphor, LED phosphor;
2.Transparent ceramics: used as fluorescent tubes for high pressure sodium lamp, electrically programmable read-only memory window;
3.Single Crystal: for the manufacture of ruby, sapphire, yttrium aluminum garnet;
4.High strength high alumina ceramic:as the substrate used in the manufacture of integrated circuits, cutting tools and high purity crucible;

5.Abrasive:manufacture the abrasive of glass, metal, semiconductor and plastic;
6.Diaphragm: Application for the manufacture of lithium battery separator coating;
7.Other: as an active coating, adsorbents, catalysts and catalyst supports, vacuum coating, special glass materials, composite materials, resin filler, bio-ceramics etc.

Specification	Unit	Acceptable Value
Appearance	White powder	White powder
AL2O3	%	≥99.99
Na	ppm	≤30
Fe	ppm	≤8
Si	ppm	≤30
Cu	ppm	≤5
Mg	ppm	≤5
Ca	ppm	≤5
D50	ppm	0.6-40
Moisture	%	≤0.1
Specific Surface	m²/g	2-10
Apparent Density	g/cm³	0.3-0.5
Application	Sapphire crystal, laser crystal, phosphor

Application

FAQ
Q: Are you factory?
A: Yes, we are factory.
Q: How is your quality?
A: We have top grade production equipment and precision measuring instruments and we also have engineers and technicians carry out quality control.
Q: Can you supply free samples?
A: 1kgs free sample is available, but freight charges will be at your account, The charges will be return to you or deduct from your order in the future.
Q: What about the payment?
     100% T/T in advance, 30% T/T in advance, the balance 70% against the B/L copy, Irrevocable  L/C at sight
Q: The MOQ is?
A: MOQ is usually 1 ton, special products can be coordinuted with each other.
Q: Can I visit your factory?
A: Yes, we welcome you to visit our factory at anytime
Q: How about your delivery time?
A: Usually the shipment is within 15 days after confirming receipt of your payment, some products maybe  need longer time.