Spray Dried Alumina Powder for Making Ceramic Parts

• CAS No.: 1344-28-1
• Classification: Alumina
• Grade Standard: Industrial Grade
• Model NO.: A92, A95, A97, A99
• Kind: Amphoteric Oxide
• Quality: First Class
• Size: 45-325 Mesh
• Shrinkage: 18%
• Transport Package: 25kg Bag on Wooden Pallet
• Specification: SGS
• Trademark: TCH, ZALY
• Origin: China
• HS Code: 28182000
• Production Capacity: 2000 Ton/Year

Product Description

This product is refined from high quality calcined alumina by scientific confecting, rubbing, pulping, spraying, drying. The product is charactered by reasonable particle size, moderate strength, good fluidity, low sintering temperature, easy demolding.

Indicators	Units	A90	A92	A95	A97	A99
Al2O3	%	90	92	95	97	99
Fe2O3  ≤	%	0.1	0.10	0.1	0.1	0.05
Moisture	%	0.3	0.3	0.3	0.3	0.3
Stacking  Density	g/c  m3	1-1.2	1-1.2	1-1.2	1-1.2	1-1.2
Particle  size	Mesh	40~300	40~300	40~300	40~300	40~300
Sintering  temperature	° C	1530	1550	1590	1630	1650
Sintering  density	g/c  m3	3.50	3.62	3.65	3.70	3.85
Soaking  time	h	2	2	2	2	2
Na2O≤	%	0.2	0.2	0.2	0.2	0.2
Average  shrinkage	%	16-18	16-18	16-18	16-18	16-18
The  color  of  Ceramic		White	White	White	White	White