● Adhesives and sealants
● Paints, coatings and pigments
● Printing inks
● Cable compounds
● Unsaturated polyester resins, laminated resins and Gel coats
Item
|
Index
|
Appearance
|
White powder
|
SiO2 (m/m)% ≥
|
99.9
|
Average particle size (D50nm)
|
14
|
BET specific surface area(m2/g)
|
200±25
|
PH (4%)
|
3.6-4.5
|
FeO2 (m/m)% ≤
|
30
|
AlO2 (m/m)% ≤
|
50
|
TiO2(m/m)% ≤
|
0.03
|
Loss on ignition(1000℃)% ≤
|
2.5
|
Heating loss(105℃,2h)% ≤
|
1.5
|