Products EXPELAIR DF 1000 Expelair DF1000 is a budget-friendly powdered defoaming additive, engineered to minimise entrapped air in various drymix mortar applications. Storage Store in a cool and dry environment – minimum shelf life of 24 months Packaging 25kg bags Download TDS sheet (PDF) Download Call our sales team | 0161 762 0044 Email our sales team | sales@cemkem.co.uk View all applications View all products