Matières premières
CSA Expansive Additive |
Parameters |
CSA Expansive additive I |
CSA Expansive additive II |
|
MgO % |
≦ 5.0 |
≦ 5.0 |
|
Water content % |
≦ 3.0 |
≦ 3.0 |
|
Total Alkali % |
|
≦ 0.75 |
≦ 0.75 |
Chloride ion % |
≦ 0.05 |
≦ 0.05 |
|
Specific Surface Area |
≧200m2/kg |
≧200m2/kg |
|
Fineness |
1.18mm residue |
≦ 12 |
≦ 12 |
Setting time |
Initial setting time |
≧ 0: 45 |
≧ 0: 45 |
Final setting time |
≦ 10: 00 |
≦ 10: 00 |
|
Limited Expansive Rate (%) |
7 days in water |
≧0.025 |
≧0.05 |
21 days in air |
≧-0.020 |
≧-0.010 |
|
Compressive strength |
7days |
≧25 |
≧25 |
28days |
≧45 |
≧45 |
|
Bending strength |
7days |
≧4.5 |
≧4.5 |
28days |
≧6.5 |
≧6.5 |
CSA expansive additive performance:
(5) Sulphate resistance of concrete is increased. No pollution to water.
CSA expansive additive application:
(5) Making non-shrinkage cements.
CSA expansive additive packing:
By 50kgs bags or jumbo bags.
CSA expansive additive Storage:
Store in dry place, guard against damp. Warranty period: 1 year.
For the special cement products, it includes calcium aluminate cements (CA cement)and calcium sulfoaluminate cements (CSA cement/CSA binder). The CSA cement is more and more imported by GRC manufacturers and dry mix mortars manufactures because of its higher performance compare to the Portland cement such as fast setting time, rapid hardening and high strength in 3 days.
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