Current position:Polycarboxylate based Superplasticizer-Slump Retention

Polycarboxylate based Superplasticizer-Slump Retention

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Detailed introduction:


50% Solid Content
CL-BT-50
No. Inspection Items Unit Standard Value Test Results
1 Appearance / Colorless to yellowish or brown viscous liquid Colorless to yellowish or brown viscous liquid
2 Density g/m³ 1.120-1.140 1.1
3 Ph Value / 6.0-7.0 6.7
4 Solid Content % 50±2.5 50±1
5 Alkali Content( Na2O+0.658K2O) % ≤0.50 0.18
6 Chlorine Ion Content % ≤0.200 0.017
7 Sodium Sulfate Content % ≤0.50 0.102
8 1h After Fluidity of Cement Paste mm ≥220 240
9 Water Reducing Rate % ≥25 28
10 Atmospheric Pressure Bleeding Rate % ≤60 21
11 Air Content % ≤6.0 0.42
12 The Difference Between the Setting Time min Initial 初凝 <-90 35
Final <-90 20
13 Slump Variation Retention 30min ≥180 240
60min ≥180 280
120min ≥180 280
180min ≥180 260
14 Ratio of Compressive Strengh 3d ≥170 180
7d ≥150 165
28d ≥135 145
15 Effect on Reinforcement Corrosion / No Corroding 无 No Corroding 无
16 Ratio of Shrinkage / ≤110 105






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