Low Na Calcined Alumina (HA)

Features:

• 1. High bulk density & Low porosity
• 2. High Purity & Hardness
• 3. Excellent self-sharpening
• 4. Non-staining to processed parts
• 5. Easy for a procession, no need for complex cleaning after sandblasting
• 6. Provide enterprise a way to get better performance with higher

Available grain ses

(Average grain size)

F 012	1400–2000µm
F 014	1180–1700µm
F 016	1000–1400µm
F 020	850–1180µ
F 022	710–1000µ
F 024	600–850µ
F 030	500–710µ
F 036	425–600µ
F 046	300–425µ
F 060	212–300µ
F 080	150–212µ
F 090
F 100	106–150µm
F 120	90–125µm
F 150	63–106µm
F 180	63–90µm
F 220	53–75µm

 

Physical properties

 

Hardness	9 mohs
Grain shape	angular
Melting point	approx. 2050°C
Specific gravity	approx. 4.0 g/cm3
Bulk density	approx. 1.5 – 2.1 g/cm3
(depending on grain size)

 
Parameter  

Chemical Composition	Na2O%≤	Al2O3%≥	SiO2%≤	Fe2O3%≤	Magnetic Object %≤
Common	0.3	99.4	0.1	0.05	0.001
Micro Sodium	0.06	99.7	0.1	0.03	0.001

 

Chemical Composition	Na2o%≤	Al2o3%≥	Sio2%≤	Fe2o3%≤	Magnetic object %≤
Common	0.3	99.4	0.1	0.05	0.001
Micro Sodium	0.06	99.7	0.1	0.03	0.001

Blasting systems

– Pressure blast systems
– Injection blast cabinets

Applications

Blast-cleaning:
– Cleaning metallic surfaces with removal of material (abrasive effect)
– Removing rust and scale from metallic surfaces
– Removing tempering colour

Surface finishing:
– Creating a matt finish on surfaces
– Producing specific visual effects

Other:
– Roughening metallic surfaces
– Creating a matt finish on glass
– Deburring
– Processing very hard components

We provide Low Na Calcined Alumina (HA) related products. If you are interested in Low Na Calcined Alumina (HA), please take the initiative to contact us for more information.