EN 12004-1 Adhesives for Ceramic Tiles - Requirements, Evaluation and Verification of Continuity of Performance, Classification and Marking

The EN 12004-1 standard, a European standard, provides requirements for adhesives used in the processing of ceramic tiles, and classification and marking criteria for the evaluation and verification of continuity of performance.

This standard is applicable to the following three types of adhesive for ceramic tiles:

Cement based for interior and exterior tile installations
Dispersion and reaction resins for interior tile installations
Used on walls and floors

The EN 12004-1 standard contains related terminology for ceramic tile adhesives, working methods, application features and similar issues. It also specifies performance requirements for adhesives for ceramic tiles.

Meanwhile, this standard describes the relevant test methods, evaluation and verification of performance stability, as well as classification, nomenclature and marking of adhesives for ceramic tiles.

However, this standard does not contain criteria or recommendations for the design and installation of ceramic tiles. Ceramic tile adhesives can also be used for other types of tiles, such as natural and agglomerated stones, as long as they do not adversely affect these materials.

Tile adhesives are classified as follows according to the EN 12004-1 standard:

1. Types of adhesives

cement adhesives
Dispersion adhesives
Reaction resin adhesives

2. Adhesive classes

regular adhesive
Enhanced adhesive
fast curing adhesive
Reduced slip t adhesive
Extended open time adhesive
deformed adhesive
Highly deformed adhesive

For each adhesive type it is possible to have one of two classes and different optional properties of the adhesive. These stated definitions are not all possible combinations.

In short, the EN 12004 standard applies to dispersion adhesives based on reactive resins for ceramic tiles as well as cementitious adhesives. This standard divides cement-based adhesives for ceramic tiles into two main groups:

With basic features, marked C1
With enhanced parameters, marked C2

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