Specification

Soluble Salt Classification - S2

Measures active soluble salts in the sample using either chemical or an alternative instrumental method.

BS EN 772-5:2016 Methods of test for masonry units. Determination of the active soluble salts content of clay masonry units

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Tolerance - T2

Specifies a method for determining the net and gross dry density of masonry units (except for natural stone masonry units).

BS EN 772-13:2000 Methods of test for masonry units. Determination of net and gross dry density of masonry units (except for natural stone)

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Comprehensive Strength - 38.1n/mm²

Details the characteristics, performance requirements, designation, marking, assessment and verification requirements for clay masonry units, which can be used as facing and rendered masonry and in loadbearing or non-loadbearing masonry structures.

BS EN 771-1:2011 Specification for masonry units. Clay masonry units (+A1:2015)

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Range - R1

Specifies tests for compressive strength of masonry units, where the specimens are laid and centred on a platen of the testing machine, a uniform distributed load is applied and increased continuously up to failure. Details the materials; apparatus; preparation of specimens; procedure; calculation and expression of results; evaluation of results; and test report.

BS EN 772-1:2011 Methods of test for masonry units. Determination of compressive strength (+A1:2015)

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Freeze Thaw - F2

Determination of freeze/thaw resistance of clay masonry units

DD CEN/TS 772-22:2006 Methods of test for masonry units. Determination of freeze/thaw resistance of clay masonry units

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