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Tangshan Polar Bear Building Materials Co., Ltd.
China Manufacturer with main products: Csa Binder, Rapid Hardening Cement, Fast Cement, High Early Strength Cement, Concrete Admixture Agent, Self-Leveling Mortar, Tile Adhesive,... |
Concrete batching plant concrete expansion agent
| Supply Ability: | 20,000 Metric Ton/Metric Tons per Month |
|---|---|
| Shipping: | within 5 days upon the final confirmation, loading port xinggang port ,china |
| Payment Terms: | L/C, T/T |
Related products from verified members
| Export Markets: | North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe |
|---|---|
| Place of Origin: | Hebei in China |
| Packaging Details: | 25kg packing or jumbo bag with plastic bag inside Jumbo bag is about 1mt~1.35mt Normal can load 2 |
Quick Details
- Model Number: concrete expansion agent
- Brand Name: polar bear
Specifications
High Efficiency CSA Expansive Agent is a special calcium sulphoaluminate cement additive. It has efficiency expansion ratio(about 6~8% to ordinary cement ).Its main efficient content is calcium sulphoaluminate and calcium oxide.
High efficiency CSA expansive agent is designed to mix with ordinary cement as concrete additive. It can minumize the dry shrinkage of concrete, and it can produces self-stress(0.2~0.7mpa) when restrained to prevent cracking as well as waterproofing.
High efficiency CSA expansive agent has gained the national invention patent. The patent No is 02116312.X.
Application:
The properties of expansion is similar to Denka CSA 20# and CSA Power Types or other types of expansion agent like UEA, CEA. And it can be added to concrete or mixed with ordinary cement in construction as below:
1. Railway, tunnel, crack and waterproof layer of the high-rise building.
2. Auto-waterproofing rigidity of surface, impermeability resistance mortar, wet resistance mortar ect.
3. Non-grouting mortar
ect.
Performance anlysics:
Main constitune(%)
|
Type |
SiO2 |
Al2O3 |
Fe2O3 |
CaO |
MgO |
SO3 |
TiO2 |
R2O |
Cl- |
lgloss |
|
CSA expansive agent type1 |
5.5-7 |
5-7 |
1-2 |
50-52 |
2-4 |
24-27 |
<1 |
<=0.3% |
<0.05 |
6-8 |
|
CSA expansive agent type2 |
3-5 |
8-10 |
0.5-1.5 |
51-53 |
2-4 |
25-28 |
<1 |
<=0.3% |
<0.05 |
6-8 |
Mineral Composition: CaO, CaSO4, 3CaO·3Al2O3 ·CaSO4.
Specific Surface Area: 200~400 m2/kg.
Specific Gravity: 2.8~3.0.
The restrained expansion rate tested under standard condition:
|
Dosage in OPC (%) |
Restrained-expansion rate (%) |
|
|
Curing 7d in water |
Curing 7d in water then 21d in air |
|
|
TypeⅠ,7 |
0.050-0.080 |
≥0 |
|
TypeⅡ,7 |
0.025-0.045 |
≥-0.015 |
|
TypeⅡ,10 |
0.055-0.080 |
≥0 |
The effect of High-efficiency CSA Expansive Agent dosage on strength of cement mortar:
|
volume%(in addition) |
Limited expansive ratio % |
||
|
7d in water |
28d in water |
28d humidity |
|
|
<0.1 |
>-0.02 |
||
|
volume%(in addition) |
Compressive strength(MPA) |
|
|
7d |
28d |
|
|
7 |
>40 |
>54.0 |
|
0 |
37.0 |
56.5 |
Affect the performance of concrete:
1. It can help the concrete with faster slump loss and shorter setting time;
2. It is able to set up 0.2~0.7mpa self-stress in concrete admixture;
3. No obvious effect on strength of the concrete;
4. High early strength of the concrete than those in other expansion agent;
5. Greatly improve the impermeability resistance of concrete, the impermeability label reach above S30;
6. Greatly improve the freeze resistance and corrosion resistance of concrete;
7. Compensative the dry shrinkage of concrete, preventing the cracking of concrete.
Ect
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After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.
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