The resistance of a hardened mortar surface to wear by mechanical action. (ISO 7784-2). (EN 12808-2 Grouts for tiles). 0500101
Additive
A finely divided inorganic material that may be added to mortar in order to improve or achieve special properties. (EN 13318, EN 998). 0300101
Adhesion failure
Failure occurring at the interface between mortar and substrate or associated material. The value equals the adhesive strength.
Adhesion loss
Adhesion strength (bond strength)
The maximum adhesion strength of a mortar applied onto a substrate, which can be determined by shear or tensile strength test.
Adhesive Trowel
Admixture
Organic or inorganic material added in small quantity to modify the properties of the mortar in the fresh and/or hardened state. (EN 13318, EN 998).
Aggregate
Granular material that does not contribute to the hardening reaction of the mortar. (EN 998).
Air content
The quantity of air included in a mortar. (EN 1015-7). 0400101
Air entraining admixture
Admixture that allows a controlled quantity of small, uniformly distributed air bubbles to be incorporated in a mortar and which remain after hardening. (EN 13318).
Algae and Fungae
Anchoring mortar
A designed mortar for fixing and anchoring materials. Il can be cement or reaction resin based. (EN 1504-1). 0200101
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