Physical Properties
Compressive Strength (28 days) 100-150 MPa
Ultimate Tensile Strength 5-13.2 MPa
Elastic Modulus ≥45 GPa
Density 2400-2600 kg/m³
Water Absorption <2%
Chloride Diffusion Coefficient ≤2.0×10⁻¹³ m²/s
Freeze-Thaw Resistance ≥300 cycles
Powder Characteristics neness ≤5% residue on 45μm sieve
moisture content ≤0.5%
homogeneity density deviation ≤2%
moisture content ≤0.5%
homogeneity density deviation ≤2%
Mix Design & Application
Water-Cement Ratio
0.16-0.20
Suitable for different construction fluidity requirements, low water-binder ratio improves strength
Working Time
30-45
Minutes at 20℃ (construction must be completed within the specified time after mixing to avoid initial setting)
Initial Strength Curing Time
7-14
Days under standard environment; shortened to 3 days with steam curing (60℃); extended to more than 14 days at low temperature (<10℃)
Test Standards
National Standard
GB/T 50081-2019、GB/T 1345-2005、GB/T 50476-2019
International Standard
ASTM C109-23、ASTM C1856/C1856M-24、ISO 679:2009
