商砼用微硅粉：
（1）高層建筑物，主要適用于高標(biāo)號混凝土。
（2）公路、橋梁、地鐵、隧道、機(jī)場跑道、砼路面以及煤礦巷道錨噴加固等
（3）海港碼頭、水庫大壩、水利、涵閘，提高工程的抗磨抗沖刷能力；抗裂性能水工混凝土裂縫；抗?jié)B透性能和抗鹽蝕性能，保護(hù)鋼筋；抗凍能力。
鴻圖SiO2-94
|
Analvsis /Properties |
Limits(極值) |
|
|
SiO2 |
Silicon dioxide ,amorphous |
min 93% |
|
|
C |
Carbon |
max 1.2% |
|
Fe2O3 |
Iron oxide |
|
|
Al2O3 |
Aluminium oxide |
|
|
CaO |
Calcium oxide |
|
|
MgO |
Magnesium oxide |
|
|
K2O |
Potassium oxide |
|
|
Na2O |
Sodium oxide |
|
|
P2O5 |
Phosphorus pentoxide |
|
|
SO3 |
Sulphur trioxide |
|
|
Cl |
Chloride |
|
|
H2O |
Moisture,when packed |
|
|
LOSS |
Loss on Ignition(L.O.I.)@975℃ |
|
|
粒度 |
Coarse Partecles;>45um(325mesh) |
|
|
PH |
Ph-Value(fresh) |
|
|
密度 |
Buld Density(when packded) |
|