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METAL POWDER PRODUCTS

ATOMIZED ALUMINIUM POWDER


Atomized Aluminium Powder-uncoated

Parameters Particle Size  - Dry Sieve Active
Al
(% min)		 Application
>250
µm
(%)		 >180
µm
(%)		 >150
µm
(%)		 >125
µm
(%)		 >75
µm
(%)		 >45
µm
(%)		 Pan

(%)
 
Test Method Trade Mark
 (ASTM B-214 ) (IS-438)
AT(E) 90 min -- -- -- -- -- 5 max 98.5 Mining explosives
AT(ET) 70 min -- 20 max -- -- -- 5 max 98.5 Mining explosives Thermit welding of railway lines
AT(LT) -- -- 90 min -- -- -- 10 max 98.5 Mining explosives Thermit welding of railway lines
AT(LR) 30 - 55 -- -- 40 - 65 -- -- 10 max 98.5 Mining explosives Thermit welding of railway lines
AT(LS) 8 - 25 15 - 35 10 - 35 -- -- -- 20 - 50 98.5 Mining explosives Thermit welding of railway lines
AT(LRS) -- -- -- -- -- Balance 15 max 98.5 Mining explosives Thermit welding of railway lines
AT(B) 2 max -- 15 max -- 40 - 55 -- 45 max 98.5 Mining explosives
D -- -- 5 max -- -- Balance 50 - 70 98.0 Mining explosives Thermit welding of railway lines
DUR -- -- -- -- 10 max Balance 70 - 85 98.0 Mining explosives
DU -- -- -- -- 3 max Balance 85 min 98.0 Mining explosives Thermit welding of railway lines
DU10 -- -- -- -- -- 5 max Balance 98.0 Mining explosives

The above grades will have chemical content of Iron:0.35% max, Silicon:0.15% max, Other Metallic impurities:0.05% max, Aluminium (by diff.):99.5% min.

The sieve value of each sieve is the retention after passing through its previous sieve.

Air atomized – Irregular shape
Other sizes on Specific request

Coarse grades are used in Brake linings, Chemical reactions, Diamond-resin wheels, Ferro alloys, Foundry fluxes, Mining explosives,Sintering,Thermit welding applications etc.,

Fine & Superfine grades are used in Aluminium pigments, Automobile parts, Brake linings, Chemicals, Deoxidizer, Diamond tools, Exothermic reaction in steel plant, Fireworks applications (for making Fountains/Bright silver sparklers/Bright-light silvery effect aerial shots), Foundry fluxes, Missile solid fuels, Ordnance, Plastic products, Powder metallurgy, Refractory bricks, Sintering, Slurry explosives, Thermit welding, Welding electrodes applications etc.,

Dust grades are used in Abrasives, Aluminium pigments, Bright light / Colored fireworks, Bright-light silvery effect aerial shots, Bright silver sparklers, Chemicals, Cold soldering, Epoxy & Vinyl adhesives, Fireworks in bright-light silvery effect aerial shots/bright silver sparklers making, Joining, Missile / Rocket solid propellant fuel, Ordnance, Powder metallurgy, Slurry explosives, Titanium dioxide purification applications etc,,

Atomized Aluminium Powder-coated

Parameters *Particle Size -
Dry Sieve		 **Particle Size -
Wet Sieve		 Acetone
Soluble Matter
(% min)		 Active Al
(% min)		 Application
>150 µm
(%)		 >75 µm
(%)		 >53 µm
(%)		 <53 µm
(%)		 >75 µm
(%)		 <45 µm
(%)
 
Test Methods Trade Mark
 (ASTM B-214 )     (ISO 1247) (IS-438)
DC 5 max 30 max 30 max 45 min     0.8-1.6 96.5 Mining explosives
DUC         3 max 85 min 0.8-1.6 96.5 Mining explosives
DU10C           95 min 0.8-1.6 96.5 Mining explosives

The above grades will have chemical content of Iron:0.35% max, Silicon:0.15% max, Other Metallic impurities:0.05% max, Aluminium (by diff.):98.0% min.

*The sieve value of each sieve is the retention after passing through its previous sieve.
**Wet sieving with mineral spirit as rinsing liquid.

Air atomized & coated – Irregular shape

(Used for Fireworks, Mining Explosives applications etc.,)

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