Influence of cement quality in cementitious tile adhesive formulations

The quality of the raw materials is one of the most influential factors when formulating cementitious mortars, as it can strongly affect the predictability of the performance of finished products. In particular, the quality and class of the Portland cement used in the formulation has a strong influence on the properties of adhesive tile products.

Experiments have been designed to define the dependence of the performance of tile adhesives on the Portland cement quality and the results will be analyzed in this paper. This will make it possible to implement a model for correlating the performance of the finished products with easily measurable cement properties that were selected with the help of multivariate statistical analysis.

1 Introduction

Cementitious tile adhesives are relatively cheap construction materials. The influence of transport costs on their final price has forced global dry-mix mortar producers to build a great many plants in which local raw materials are used in the production. Keeping a constant product quality in spite of the variability of the Portland cement and of the inert materials is therefore the most important objective when transferring production formulae to new production plants.

The implementation of a generalized model that is able to describe the behaviour of finished products as a...

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