Products CEMKEM SRA Cemkem SRA is a powder Shrinkage Reduction Additive (SRA) for cement-based building materials. Storage Store in a cool and dry environment – minimum shelf life of 12 months Packaging 25kg bags Download TDS sheet (PDF) Read more Download Call our sales team | 0161 762 0044 Email our sales team | sales@cemkem.co.uk View all applications View all products