Calcined Alumina Powder (A-AL203)

Product Details

Calcined Alumina Powder (A-AL203)


Model NO.:	A-AL203
Unit Price:	Negotiable
Shipment Terms:	FOB
Payment Terms:	L/C,T/T,Western Union
Price Valid Time:	From Nov 08,2011 To Dec 31,2011
Export Markets:	North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

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Product Description

1. Technics: Calcined temperature beyond 1300C, the alumina powder be calcined without Boron, Ultimate crystal size 3-5um.

2. Application: TCH-1/TCH-2/TCH-3 is good for producing electronic alumina ceramic/wear resistant ceramic(alumina wear tile, alumina ceramic brick, alumina ball)/alumina ceramic substrate.

3. Payment Term: TT /LC AT sight.

4. Delivery time: Within 2 weeks to ship since the date we receive your deposit or L/C at sight.

5. AI2O3>99.7% Na2O <0.3% Fe2O3<0.024% SiO2<0.019% TiO2<0.008%.

6. Loss weight when burning<0.2% Density=3.96g/cm3 a-Al2O3>93%
Medium particle size(D50) 75um Ultimate crystal size 3-5um
BET specific surface area 1.0 m2/g

Characters:

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.

Alumina Spray Prilling Powder
Ceritificates: SGS, ISO
AL2O3 Highest Purity 99.9%
High density
Low sinteresting temperate

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