This is the most basic concrete mix for standard concrete work: The aggregate should be between 2,5 and 6mm, it provides bulk and strength. Mixture: 1 Part Portland cement 2 Parts Building sand 3 Parts […]
These are materials added to a system to give it rigidity or increase its volume. Flint or quartz are often referred to as fillers in ceramic bodies.
An admixture is an additional material which is added to the cement mix of cement, aggregate and water. The reason for using an admixture varies; extending the curing time, improving the workability, even adding colour, […]
An effect on ceramic objects, particularly brickwork, caused by soluble salts seeping out of the brick and crystallising on the surface. Video on Efflorescence