Iran Microsilica

Microsilica Powder (Grade F.S)

Iran Microsilica Powder was product as a by-prooduct from the production of ferrosilicon or silicon alloys . the production of these alloys is done in open electric arc smelting furnance with very high strenghth & low impermeable concrete , oil wells cemant , polymer industries & refractories .
the tiny particles of microsilica Powder help the particle distribution & fills empty or water filled tiny spaces in concret .
Microsilica Powder reacts whit the calcium hydrate that forms during the hydration of cement & produces calcium silicate hydrate (CSH),providing higher strength &
durability in concrete.

Chemical composition :

SiO2	85/5 - 95/5%	اکسید سیلیسیم
Fe2O3	0/4-2/0 %	اکسید آهن
CaO2	2/0-2/3 %	اکسید کلسیم
Al2O3	0/5-1/7 %	اکسید آلمینیوم
MgO	0/1-0/9 %	اکسید منیزیم
C	0/6-1/5 %	کربن

Physical propertes :

Sape	Amorphous spherical particles
Size	0.2 - 0.3 microns
Bulk density	200 Kg/m3
Specific surface area	14 m2/gr

( FOOTS OI L)

FERROSILICON-MAGNESIUM ALLOYs