86-532-80920099
No. 1, Aiji Road, Jiaobei Town, Jiaozhou, Qingdao, Shandong, China (Mainland)
Extra rapid hardening concrete admixtures
1.High water reducing rate
2.Improve early strength
3.Professional technology
China supply extra rapid hardening concrete admixtures with improve early strength
Early strength concrete admixtures are powder, non-toxic,non-flammable,non-chlorine salt,
and no corrosion on steel.
Recommended dosage (in plastic timber weight) is 0.8 to 2.0%.
The Technical performance of Early strength concrete admixtures as follows:
Test item | GB8076-1997 index | HSN results (content 1.2%) | ||
First grade | Qualified | |||
Water reduction rate,% | ≥ 8 | ≥ 5 | 12 | |
Bleeding rate,% | ≤ 95 | ≤ 100 | 75 | |
Setting time difference | min initial setting | -90 ~ +90 | -90 to +90 | -50 |
Final setting | 90 ~ +90 | -90 ~ +90 | +30 | |
Compressive strength ratio,% | 1d | ≥ 140 | ≥ 130 | 210 |
3d | ≥ 130 | ≥ 120 | 175 | |
7d | ≥ 115 | ≥ 110 | 142 | |
28d | ≥ 105 | ≥ 100 | 125 | |
28d shrinkage ratio,% | ≤ 135 | 124 | ||
Effect on steel corrosion | Should indicate whether corrode on steel | Non | ||
Use:
1.Powder can be added directly with the cement, sand, gravel together in the blender,First dry mix, then wet mix with water, stirring the same time with ordinary concrete.
2.Recommended dosage (in plastic timber weight) : 0.8 to 2.0%.
3.When small quantities of concrete artificial stirring, the powder should be added to the mixing water after water applied (after the dissolution of the goods "carrier" materials precipitation is normal)
Good concrete pumping agent concrete additive,
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More details about Early strength superplasticizer,
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