الوصف

CSA expansive agent is mixed with ordinary cement and hydrated, cement mortar or concrete, to minimize drying shrinkage. High-efficiency CSA Expansive Agent is manufactured under a strict quality assurance systems GB/T *********0(ISO***1:***0) and GB/T *********6(ISO *********6). CHEMICAL ANALYSIS Main constituents (%) SiO2 Al2O3 Fe2O3 CaO MgO SO3 f-CaO R2O Usual range 4~7 8~*2 <1.5 *0~*5 2~4 *2~*5 *0~*5 <0.3 Mineral Composition: CaO, CaSO4, 3CaO.3Al2O3 .CaSO4 Specific Surface Area: **0~**0m2/kg Specific Gravity: 2.8~3.0. The restrained expansion rate tested under standard condition: Dosage of High-efficiency CSA Expansive Agent to Ordinary Portland cement :7% Restrained-expansion rate (%) with Curing in water for 7 days:0.*3 Restrained-expansion rate (%) with Curing in water for *8days:0.1 Restrained-expansion rate (%) with Curing in air, constant humidityfor*1 days:>*0.*2. Properties: 1. Similar to Denka CSA Expansion 2. Low alkalinity 3. Short stable stage of expansion 4. Low dosage and high expansion 5. Hydration heat control 6. Low alkalinity 7. Mineral Composition: CaO, CaSO4, 3CaO*3Al2O*-CaSO4 Application 1. Structural self-waterproofing construction 2. Anti cracking and moisture proof of reinforced concrete structures. 3. Late poured bands 4. Non-shrinkage grout 5. Chemical pre-stressed concrete products.