High Purity γ -Alumina White Crystal Powder or Fine Sand Appearance, Uniform Particle Size, Low Water Storage, Stable Chemical Properties

• Customization: Available
• CAS No.: 1344-28-1
• Formula: Al2O3
• Model NO.: AT-FR-8
• EINECS: 215-691-6
• Classification: Aluminium Oxide
• Grade Standard: Industrial Grade
• Kind: Amphoteric Oxide
• Quality: Special Class
• Appearance: White
• Al2O3: 99.3min
• Sio2: 0.1max
• Fe2o3: 0.04max
• Transport Package: 25kg/PP Woven Bag, 1t/Jumbo Bag
• Specification: 99.995%min
• Trademark: Aotai
• Origin: China
• HS Code: 2818200000
• Production Capacity: 30000tons/Year

Product Description

High purity γ - alumina

Features: white crystal powder or fine sand appearance, uniform particle size, low water storage, stable chemical properties, good crystal phase stability, insoluble in acid and alkali, with good sintering activity.

Application: it can be used in LED sapphire crystal raw material, trichromatic phosphor, long afterglow phosphor, high pressure sodium lamp, glass additive, electronic ceramics, catalyst carrier and other fields.


Specification
 

Item	Grade	Purity	Surface	Size average (μm ) D50	Loose density (g/cm3)	Impurity (ppm) ≤
		(%)≥	area
		Al2O3	(m2/g)
γ-Al2O3						Na	Fe	Si	K	Ti
	4N5G-40B	99.995	80	40	0.65	30	1	17	1	1

 

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.