Microsilica Prodct introduction

Microsilica, this product comprises microscopic particles collected by filters downstream from the smelting process in silicon and ferrosilicon plants. Adding it to concrete and other materials, increases their density and wear resistance, which extends the life of structures. Microsilica stands’ average diameter is between 0.1um and 0.15um. Its specific surface area is between 15㎡/g and 27㎡/g, which have superpower surfactivity.

 

San Yuan Microsilica is classified several kinds of specifications from 85% to 92% according to Microsilica main ingredient Sio2. Its physical properties and chemical properties are as following:

 

Physical properties		Chemical properties
Existed form	Non-amorphous Ultrafine (non-crystalline) poweder	Sio2 % ≥	85	90	93
Typical color	Grey white	Moisture % ≤	3.0	2.5	2.0
Specific surface	15-27㎡/g	LOI % ≤	4	3	2.6
Loose density	150-200kg/m³	Specific surface ㎡/g	15-27	15-27	15-27
Activity indicators	≥85@85d (GB)	Activity Index ≥	105@7d
Water	≤125	Granularity 45um % ≤	10	5	3
45um  %	＜8	Moisture%＜	5