KAM - Natural stone

This European standard specifies a method for determining the uniaxial compressive strength of natural stones.

This European Standard specifies a test method for determination of flexural strength under a concentrated load for natural stone. Both an identification and a technological product testing procedure are included.

This European standard specifies methods for determining the real density, apparent density, and open and total porosity of natural stone.

The document specifies a method to determine the static elastic modulus of natural stone in uniaxial compression.

This document specifies methods for determining the dimensional characteristics (length, width, thickness, straightness of sides, rectangularity, surface flatness) and the surface quality of agglomerated stones modular tiles.

This document specifies a method for determining the impact resistance of agglomerated flat stone products.

The present document specifies a test method to determine the linear thermal expansion coefficient of agglomerated stones used for internal/external flooring or walling in building.

This document specifies two methods to determine the linear thermal expansion coefficient of natural stone, respectively based on mechanical length-change measurements (Method A) or on the use of bonded electric strain gauges (Method B).

This document specifies a method for the determination of the velocity of propagation of pulses of ultrasonic longitudinal waves in natural stone, both in laboratory and in situ.

This European Standard defines methods to determine the fundamental resonance frequency of natural stone and the calculation of the dynamic modulus of elasticity.

This European Standard specifies a method for determining the energy of rupture by impact of natural stones. The standard contains provision for both an identification test and a technological test (for FPC of finished products).

This European Standard specifies a test method to determine the slip resistance value of the surface of the exposed face of natural stone elements intended to be used for flooring in buildings.
NOTE 1   If the surface of the exposed face has a roughness measured according to prEN 13373 higher than 1 mm it will be considered as not slippery, without performing the test.
NOTE 2   This method can be used for laboratory measurements or on floors in service.

This European Standard specifies a test method to determine the breaking load at the dowel hole of natural stones used for cladding or lining in building.

This European standard specifies a method for determining the water absorption coefficient of natural stone by capillarily. Note: This method is not suitable for stones with an open porosity less than 1% when determined in accordance with prEN 1936.

This document specifies a method for determining the compressive strength of agglomerated stones.

This European Standard specifies a method to assess the resistance of natural stones to ageing by salt mist.

This European Standard specifies a test method to assess the relative resistance of natural stones with an open porosity of greater than 5%, measured in accordance with prEN 1936, to damage caused by the crystallisation of salts. The test is not necessary for low porosity stones.

This European standard describes methods for verifying the geometric characteristics of products of  natural stone such as blocks, rough slabs and finished products for cladding, flooring, stairs and tiles. These methods are to be applied in the case of a dispute between two parties, they are not compulsory for production control.

This European Standard specifies methods for making technical petrographic descriptions of natural stone, except for roofing slates. Although chemical and physical methods of analysis are required for petrographic classification of some stone types, these methods will not be described in this standard  For this product, the method for the petrographic examination is defined in EN 12326-2.Although chemical and physical methods of analysis are required for petrographic classification of some stone types, these methods will not be described in this standard.

This European Standard defines the recommended terminology covering scientific, and technical terms, test methods, products, and the classification of Natural Stones.

This document specifies three test methods to determine the abrasion resistance of natural stones used for flooring in buildings. One of the methods - the 'wide wheel abrasion method' is defined as the reference method.

This document specifies a method for determining the apparent density and water absorption of agglomerated stone products.

This test method covers the determination of dc insulation resistance, volume resistance and resistivity, as well as surface resistance and resistivity, and the corresponding electrical conductance and conductivity, of specimens of agglomerated stone products conforming to the definition reported in EN 14618. These products are usually made by stone aggregates bound via either resin and filler or cement and water (paste components) or a mixture of polymer/cement and related addition (such as reinforcing fibres, electrically insulating/conducting fillers, etc.). Resistivity/conductivity may be also used as an indirect measure of some properties of agglomerated stones products (see Annex A).

This European Standard specifies a method of determining the hardness of natural stone using the Knoop indenter.

This European Standard specifies a method to assess the relative resistance of natural stones to damage by sulphur dioxide in the presence of humidity.

This document specifies requirements for flat modular tiles of natural stone which are made for use as flooring, stairs, cladding and ceiling finishes. It does not cover mineral aggregates and artificial agglomerated stone material and does not cover installation.

This document specifies requirements for flat natural stone slabs fabricated for use as floor and stair coverings. It does not cover mineral aggregates and artificial agglomerated stone material and does not cover installation..

This European Standard specifies a method to assess the effect of freeze/thaw cycles on natural stones - refer to prEN 12670 for terminology, and EN 12440 for denomination -. The standard contains provision for both a shorter technological test (Test A) to assess the effect of freeze/thaw cycles on the relevant performance characteristics and an identification test (Test B).

This standard describes a test method for determining the thermal shock resistance value of natural stone elements.

This document specifies a method for determination of the chemical resistance and the resistance to stains of agglomerated stones (see prEN 14618) with polished surface after a prolonged contact with chemical materials.
NOTE   It is reminded that the agglomerated stone containing calcium carbonate aggregates are sensitive to any acid attack.

This document specifies a test method to determine the dimensional stability, intended as the evaluation of a deformation, towards a bearing plane, by prolonged contact with water, of agglomerated stones tiles used for flooring and cladding in building.
The test is mainly performed to select a suitable adhesive for the laying down operations.

This document specifies a method to assess possible modifications of agglomerated stones under the effect of sudden changes in temperature (thermal shock) by immersion in hot water.

The document specifies a method to assess the effect of freeze/thaw cycles on agglomerated stones. The standard contains provision for technological test to assess the effect of freeze/thaw cycles on the flexural strength characteristic.

This document specifies the terminology and classification of the agglomerated stone products. Agglomerated stone products are industrial products mainly made of hydraulic cement, resin or mixture of both, stones and other additions. They are industrially manufactured in geometrical shapes at a fixed plant by means of moulding techniques. They are put on the market in the form of dimensional shapes and cut to size material.
NOTE   All other products with resin concrete techniques (using common aggregates and not finalised to flooring, wall finishes and assimilated uses), like drainage channels, structural elements, etc., are excluded from the field of this standard.

This European Standard specifies a method for determination of flexural strength under a concentrated load (bending resistance) of agglomerated stone flat products.

TC - Modification in Clause 3

TC - Modification in equation in A.2

This European Standard specifies a method to determine the flexural strength of natural stones under constant moment. The standard contains provision for both an identification test and for a technological test.

This European Standard specifies a method for determining the water absorption of natural stone - see EN 12670 for terminology and EN 12440 for denomination - by immersion in water at atmospheric pressure.

This European Standard establishes the criteria for the designation of natural stone from raw material to finished products.

This European standard specifies methods for making technical petrographic descriptions of natural stone.

TC - A.2 modification to equation

This European standard specifies a test method for determination of flexural strength under a concentrated load for natural stone. Both an identification and a technological product testing procedure are included.

This European standard specifies methods of determining the real density, the apparent density, and the open and total porosity of natural stone.

This European standard specifies a method for determining the compressive strength of natural stones.