Portland Cement Type III

Type III is a high-early strength Portland Cement that provides high strengths at an early period, usually a week or less. It is used when forms are to be removed as soon as possible, or when the structure must be put into service quickly. In cold weather, its use permits a reduction in the controlled curing period. Although richer mixtures of Type I Cement can be used to gain high early strength, Type III, high-early-strength Portland Cement, may provide it more satisfactorily and more economically. Read more . . .