Model Number

42.5,52.5,62.5,72.5; 825,925,1025

Shenzhen Chenggong Trade Co.,Ltd. Supplying:

1. High-strength Rapid-setting Calcium Sulphoaluminate Cement (also Calcium Sulfoaluminate Cement, CSA Cement).
High-strength Grade: 42.5,52.5,62.5,72.5;

High-strength Rapid-setting CSA Cement is widely used in making concrete with performance of impermeability, frost and sulfates corrosion resistance, precast component, fiberglass cement reunited product, pole, pipe and manmade marble goods.

With excellent quality, desirable performance and competitive price our High-strength rapid-setting CSA Cement has been using in many large building engineering such as sea wall, expressway, airport runway, bridge.

Quality: China JC933-2003 Standard.
Specification:
1, Specific Surface Area: 350m2/kg Min; 
2, Setting Time:
Initial setting time, 25 min Min;
Final Setting Time, 3 h Max;
3, Compressive Strength (MPa, Min)
42.5: 33.0(1d), 42.5(3d), 45.0(28d)
52.5: 42.0(1d), 52.5(3d), 55.0(28d)
62.5: 50.0(1d), 62.5(3d), 65.0(28d)
72.5: 56.0(1d), 72.5(3d), 75.0(28d)
4, Breaking Strength (MPa, Min)
42.5: 6.0(1d), 6.5(3d), 7.0(28d)
52.5: 6.5(1d), 7.0(3d), 7.5(28d)
62.5: 7.0(1d), 7.5(3d), 8.0(28d)
72.5: 7.5(1d), 8.0(3d), 8.5(28d)

2. Low-alkali Calcium Sulphoaluminate Cement.
Mainly used in making GRC products.
Specification as per China JC/T659-2003 Standard
(1) Specific Surface Area: 400m2/kg Min
(2) Setting Time:
Initial setting time, 25 min Min; Final Setting Time, 3 hours Max
(3) Alkaline Strength (PH Value after 1 hour adding water): 10.5Max
(4) Free Expansion Ratio (at 28 day): 0.00%-0.15%
(5) Compressive Strength (MPa, Min): 32.0(1 day) 42.5(3 day)
(6) Flexural Strength (MPa, Min): 4.0(1 day) 5.5(3 day)

3. Super-high-strength CSA Cement
Grade: 825,925,1025.

Super-high-strength CSA Cement is suitable for making concrete with high early strength (above C60), impermeability, sulfate corrosion and frost resistance. It is also used in constructing at negative temperatures, splicing node, support by rock anchoring and shotcreting, rushing to repair, stifling leakage, geological stiffening, making cement products, GRC products, art products, etc.

Specification:
1, Specific Surface Area: 500m2/kg Min
2, Setting Time:
Initial setting time, 25 min Min; Final Setting Time, 4 hours Max
3, SO3: 13%Max
4, Compressive Strength (MPa, Min):
Grade 825: 63.5(1d), 82.5(3d)
Grade 925: 65.5(1d), 92.5(3d)
Grade 1025: 70.5(1d), 102.5(3d)
5, Breaking Strength (MPa, Min):
Grade 825: 8.0(1d), 8.8(3d)
Grade 925: 9.0(1d), 9.9(3d)
Grade 1025: 10.0(1d), 11.5(3d)

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Email: jianwu AT chngn DOT com