| Model Number: | csa expansive agent |
|---|---|
| Brand Name: | polar bear |
| Place of Origin: | China (Mainland) |
| product name: | CSA expansive agent |
| Product standard: | Q/TBJX 07-2013 |
| Expansion ratio: | 0.025-0.15% |
| CaO%: | >=50% |
| Samples: | available |
| OEM: | available |
| technical support: | available |
| enquiry: | available |
| Appearance: | powder |
| packing customize: | available |
Quick Details
Specifications
Detailed introduction to Cement additive csa expansive agent for dry mortar use
CSA cement expansion agent
CSA cement expansion agent is a cement admixture to mix with portland cement.It main raw materials is calcium sulphoaluminate and calcium oxide. When the cement dry, it may produce size shrinkage, it may have a powerwhen the pull strength inside littler than the strength caused by dry shrinkage, it will cause crack. When blending csa expansive agent with portland cement, it can expand, which produce shrinkage compensiation when the cement dry. It also made the concrete have high bond strength,which avoid the crack production in natural.
Expansion ratio of csa cement expansion agent:
|
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 |