NEN EN 13820 : 2003

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
   5.1 Balance
   5.2 Temperature controlled ventilated oven
   5.3 Temperature controlled ventilated furnace
   5.4 Test specimen container
   5.5 Desiccator
6 Test specimens
   6.1 Dimensions of test specimens
   6.2 Number of test specimens
   6.3 Preparation of test specimens
   6.4 Conditioning of test specimens
7 Procedure
   7.1 Test conditions
   7.2 Test procedure
8 Calculation and expression of results
9 Accuracy of measurement
10 Test report
Annex A (informative) Example of a simplified method
                      for the determination of organic content
      A.1 General
      A.2 Apparatus
      A.3 Test specimens
      A.4 Procedure
          A.4.1 Test conditions
          A.4.2 Test procedure
          A.4.3 Calculation and expression of results

Specifies the equipment and procedures for determining the organic content of thermal insulating materials. This method is aimed at determining the organic content for products which are inorganic, i.e. products containing a low percentage of organic compounds, either unfaced products or the insulating materials of a faced product.