Polycarboxylate Superplasticizer Power
Item
|
Specification
|
Appearance
|
Yello or white flakes
|
pH Value (40% attenuation)
|
2.00-5
00
|
Solid Content(%)
|
≥97%
|
Net Paste Value(mm)
|
210±10
|
Test Items
|
Specification
|
Test Result
|
|
Water Reducing Rate(%)
|
≥25
|
29.5
|
|
Ratio of bleeding rate at normal pressure(%)
|
≤60
|
0
|
|
Air Content(%)
|
≤6.0
|
4.2
|
|
Slump reducing(60min)
|
≤80
|
41
|
|
Ratio of Compressive Strength(%)
|
1d
|
≥160
|
220
|
3d
|
≥160
|
206
|
|
7d
|
≥150
|
187
|
|
28d
|
≥140
|
152
|