China Low-Sodium Calcined Alumina (HA) Series Coarse Powder factory and suppliers

Low-Sodium Calcined Alumina (HA) Series Coarse Powder

YUFA Group has invested a lot of technical research in the low-sodium alumina industry.

We have developed internationally advanced low-sodium technology in response to the needs of the low-sodium alumina market, which has effectively realized customization.

Features

1. Na2O content can be less than 0.01%

2. Suitable for various product applications

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Application

1. Suitable for high-performance ceramics, rough polishing, refractory materials, thermal conducting fillers and wear-resistant coating industries

2. Suitable for preparation of refractory powder etc.

3. Suitable for LCD glass, thermally conductive fillers, medium polishing materials industries, etc.

Specification

Model No.	Chemical composition (%)					True Density	Apparent Density	Original Crystal	Conversion Rate	Features	Recommended Applications
Model No.	Al₂O₃ ≥%	SiO₂ ≤%	Fe₂O₃ ≤%	Na₂O ≤%	LOI ≤%	g/cm³ ≥	g/cm³ ＞	d₅₀(μm)	≥%	Features	Recommended Applications
HA5	99.5	0.05	0.02	0.08	0.1	3.95	1.0	6.5-8.0	96	Unground, low sodium, near-spherical crystal, large crystal, fully developed, less shrinkage. Large output, good quality stability.	Suitable for high-performance ceramics, rough polishing, refractory materials, thermal conducting fillers and wear-resistant coating industries.
HA4	99.5	0.05	0.02	0.08	0.1	3.95	1.0	5.5-6.5
HA3	99.5	0.05	0.02	0.08	0.1	3.95	0.95	4.5-5.6
HA2	99.5	0.05	0.02	0.15	0.1	3.93	0.9	3.0-4.0	94	Unground, medium sodium, near-spherical crystal, crystal range of 2-3 μm, good sinterability. Large output, good quality stability.	Suitable for ceramics and refractory industries.
HA1	99.7	0.05	0.02	0.01	0.1	3.93	0.9	~ 2	93	Extremely low impurities, Na2O≤ 0.01%, high conversion rate, fine and uniform crystal.	Suitable for high-performance ceramics, preparation of refractory powder, and wear-resistance coatings industries, etc.
HA2X	99.5	0.10	0.02	0.08	0.1	3.95	0.9	~ 3	95	Easy to grind, extremely low impurities, good sphericity, narrow cystal distribution, less shrinkage. Large output, good quality stability.	Suitable for high-performance ceramics, LCD glass, refractory materials, thermally conductive fillers, medium polishing materials industries, etc.
HA1X	99.5	0.12	0.02	0.06	0.1	3.93	0.9	~ 1.8	95	Easy to grind, low sodium, good sphericity, narrow cystal distribution, small crystal, good flowability. Large output, good quality stability.	Suitable for the production of high-performance ceramics and refractory fine powder.
HA0x	99.5	0.08	0.02	0.08	0.1	3.9	0.9	~ 1	92	Small crystal, low impurities.	Suitable for the production of high-performance ceramics and refractory powder preparation, and wear-resistant coatings industries, etc.
HA4F	99.5	0.05	0.02	0.30	0.1	3.94	0.7	~4	94
HA4M	99.5	0.05	0.02	0.30	0.1	3.94	0.8	~5	94