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METAL POWDER PRODUCTS

ALUMINIUM POWDER FOR LIGHT WEIGHT CONCRETE


Aluminium Powders for Light weight concrete:

Parameters Particle Size-
Wet Sieve
<45 µm

(%)		 PSD
D (50%)

(µm)		 AD
(loose pouring)


(g/cc)		 Surface area (Blaines)


(cm2/g)		 Active
Al
content


(%)		 Appn. Recommended
AAC
block density
(kg/m3)
 
Test Methods Trade Mark
 (ISO-
1247)		 (Malvern-
2000)		 (in-house) (ASTM C-204) (IS-438)
CO 66 45 - 62 50 - 60 0.130 - 0.200 9000 - 11000 91 min Aerated Light weight concrete plasters 600 - 700
CO 77 65 - 75 40 - 50 0.130 - 0.200 11000 - 13000 90 min Aerated Light weight concrete plasters 500 - 600
CO 88 80 - 92 25 - 35 0.130 - 0.200 13000 - 17000 90 min Aerated Light weight concrete plasters 400 - 500
CO 88P 80 - 92 25 - 35 0.130 - 0.200 13000 - 17000 90 min Aerated Light weight concrete plasters 400 - 500
CO 99 88 min 20 - 30 0.140 - 0.200 17000 - 21000 90 min Aerated Light weight concrete plasters 350 - 400
CO 99P 88 min 20 - 30 0.140 - 0.200 17000 - 21000 90 min Aerated Light weight concrete plasters 350 - 400
NICO 99 90 min 15 - 20 0.150 - 0.190 17000 - 22000 90 min Aerated Light weight concrete plasters 350
NICO 99P 90 min 15 - 20 0.150 - 0.190 17000 - 22000 90 min Aerated Light weight concrete plasters 350

The above grades are hydrophillic in nature and their gas evolution at 25ºC for 0.07 g of Al powder in 400 ml of 2 % CaO solution.: 75ml min @ 16th minute.

Wet sieving with mineral spirit as rinsing liquid
Flake

(Used for Aerated light weight concrete plasters applications)

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