Home > Products > Engineering in concrete admixtures > JC476-2001 concrete expanding agent grout additive
JC476-2001 concrete expanding agent grout additive
- Xingang prot china
- T/T
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Product Details
| Place of Origin | Hebei, China | Brand Name | ST | |
| Model Number | 01D |
Product Description
JC476-2001 concrete expanding agent grout additive
ST-01D-type concrete expansion agent is a chemical admixtures added in cement when the cement setting and hardening, along with volume expansion, contraction and tension compensates produce prestressed reinforced concrete to fill the gap and the full effect. This product is incorporated in concrete, can generate reactive cement combined with water and the expansion crystalline hydrates --- ettringite (C3A.3CASO4.32H2O), the concrete in the early and mid produce moderate expansion, constraints in steel and ortho next, it should be expanded into pressure, this pressure can be substantially offset by the tensile stress generated when the concrete shrinkage, thereby preventing or reducing shrinkage and cracking of concrete, and concrete densification, which can also improve the anti-cracking concrete infiltration capability to meet the structural waterproof effect. Thus becoming one of the preparation of structural waterproof and ideal material for high performance concrete.
Specification as below:
standard | JC476-2001concrete expansion | Volume | 8% | ||||
Test ite | unit of measurement | specification | result | ||||
chemical composition
| Mgo | % | ≤5.0 | 4.3 | |||
Moisture | % | ≤3.0 | 1.2 | ||||
Total Alkalinity content | % | ≤0.75 | 0.25 | ||||
Chloride content | % | ≤0.05 | 0.02 | ||||
|
| The specific surface area | m2/kg | ≥250 | 380 | ||
Degree of fineness | sieve margin in Square hole of 0.08mm | % | ≤12.0 | 8.5 | |||
sieve margin in Square hole of 1.25mm | % | ≤0.5 | 0 | ||||
Setting time
| Start setting | min | ≥0:45 | 4h58min | |||
Finally setting | min | ≤10 | 5h52min | ||||
Limit expansion
| Water | 7d | % | ≥0.025 | 0.033 | ||
28d | % | ≤0.10 | 0.048 | ||||
air | 21d | % | ≥-0.020 | 0.004 | |||
Compressive strength
| 7d | Mpa | ≥25 | 51.0 | |||
28d | Mpa | ≥45 | 62.2 | ||||
Flexural strength
| 7d | Mpa | ≥4.5 | 7.6 | |||
28d | Mpa | ≥6.5 | 9.1 | ||||
Water Reduction | % | ≥15 | 23 | ||||
| Polycarboxylate superplasticizers | |
| the most wonderful water reducing admixture up to now | |
| Advantages (compared with other water reducers) | |
| 1. To maintain slump perfectly within 1-3 hours 2. Low dosage, and so to save cost in comparison with other water reducers at equal performance 3. High water reduction 4. To enable a much better flowability of the mixture 5. To improve the strength and durability of the concrete drastically 6. To save cement at equal strength and durability 7. Eco-friendly (no formaldehyde or benzene) 8. Resulting in low concrete shrinkage ratio to make sure better construction quality |
Packing: 25kg bag or as per our client's requirement.
Dealivery:7 Days afterr getting your comfirmated order
Contact Us
- Hebei Shengtong Building Materials Technology Co., Ltd.
- Contact nameshengtong Hebei Chat Now
- Phone86-311-80776843
- AddressNo.188 Tanan Road,, Shijiazhuang, Hebei
Product Categories
| Engineering in concrete admixtures | Equipment | New Products | Ordinary concrete admixture |
| Pigment building materials | Raw Material |
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