This information is based on our present state of knowledge and is intended to provide general notes on our products and their uses. It should not be construed as guaranteeing specific properties or suitability for a particular application
Cemkem SRA is a powder Shrinkage Reduction Additive (SRA) for cement-based binder systems. Specifically designed to work as an effective anti-shrinkage additive, it dramatically reduces drying shrinkage, curling, and cracking by minimizing the effect of surface tension of water within the pore structure of the formulation.
Cemkem SRA is designed for use in:
The optimum dose will depend on mix design, processes, aggregate type, and required performance. For typical drymix mortar applications:
*The optimum dose depends on the severity of the shrinkage experienced and should be determined by completing appropriate trials.
Cemkem SRA should be kept dry and between 5°C and 30°C, avoiding extremes of temperature and moisture. Avoid freezing and do not store in direct sunlight. If stored correctly in sealed packaging, the product has a minimum shelf life of 12 months.
Cemkem SRA is supplied in 25 kg bags.
Full MSDS available on request. H318 Causes serious eye damage. Wear protective gloves/protective clothing/eye protection/face protection.
Parameter | Value |
---|---|
Appearance | White powder |
Bulk Density (g/ml) | Approx. 0.5 |
Ash Content | <50% |
pH | 3.5 – 9.5 |