NEN EN 1344 : 2013 C1 2015

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
  4.1 Shape and dimensions
  4.2 Post firing chemical treatment
  4.3 Freeze/thaw resistance
  4.4 Transverse breaking load
  4.5 Abrasion resistance
  4.6 Slip/skid resistance
  4.7 Fire performance
  4.8 Emission of asbestos
  4.9 Emission of formaldehyde
  4.10 Thermal conductivity
  4.11 Acid resistance
5 Evaluation of conformity
  5.1 General
  5.2 Type tests
  5.3 Factory production control
6 Marking
Annex A (normative) Sampling
A.1 Sampling for type testing
A.2 Sampling for routine testing
A.3 Sampling for independent testing
     A.3.1 General
     A.3.2 Sampling procedure
Annex B (normative) Method for determination of dimensions
B.1 Apparatus
B.2 Procedure
B.3 Test report
Annex C (normative) Method for the determination of freeze/thaw
        resistance of clay pavers
C.1 Principle
C.2 Apparatus
C.3 Preparation of specimens
     C.3.1 Sampling
     C.3.2 Conditioning of specimens
C.4 Construction of test panels
C.5 Procedure
     C.5.1 General
     C.5.2 Freeze/thaw cycling
     C.5.3 Examination of test panel and units
C.6 Evaluation of results
     C.6.1 Assessment of damage
     C.6.2 Assessment of freeze/thaw resistance
C.7 Test report
C.8 Measurement of heat transfer rate
Annex D (normative) Method for the determination of transverse
        breaking load
D.1 Principle
D.2 Apparatus
D.3 Procedure
D.4 Calculation
     D.4.1 Calculation of transverse breaking load
     D.4.2 Optional calculation of bending tensile strength
D.5 Test report
Annex E (normative) Method for the determination of abrasion
        resistance
E.1 Principle
E.2 Sampling
E.3 Material
E.4 Apparatus
E.5 Test specimens
E.6 Procedure
E.7 Expression of results
E.8 Test report
Annex F (normative) Method for the determination of unpolished
        slip/skid resistance value (USRV)
F.1 Principle
F.2 Apparatus
     F.2.1 Pendulum friction tester
F.3 Sampling
F.4 Procedure
F.5 Calculation of unpolished slip/skid resistance value (USRV)
F.6 Test report
Annex G (normative) Method for the determination of acid resistance
G.1 Principle
G.2 Reagents
G.3 Apparatus
G.4 Procedure
G.5 Expression of results
G.6 Test report
Annex ZA (informative) Clauses of this European Standard addressing
         the provisions of the EU Construction Products Directive
         (89/106/EEC)