DIN 16916-2:1987-09

1 Scope and field of application
2 Sampling
3 Pretreatment
4 Test atmosphere
5 Test methods
      5.1 Determination of melting range using the
             capillary method
      5.2 Determination of flow length of powdered
             thermosetting phenolic resins
             5.2.1 Designation
             5.2.2 Test portion
             5.2.3 Number of determinations
             5.2.4 Apparatus
             5.2.5 Procedure
             5.2.6 Evaluation
             5.2.7 Test report
             5.2.8 Precision
      5.3 Determination of tamped volume and apparent
             density of ground phenolic resins
      5.4 Determination of bulk density of ground phenolic
             resins
      5.5 Determination of particle size distribution in
             powdered phenolic resins
      5.6 Determination of hexamethylenetetramine in
             powdered phenolic resins
             5.6.1 Test portion
             5.6.2 Number of determinations
             5.6.3 Determination of hexamethylenetetramine
                      by direct titration using 0,1 mol/l
                      perchloric acid dissolved in acetone
                      5.6.3.1 Designation
                      5.6.3.2 Apparatus
                      5.6.3.3 Reagents
                      5.6.3.4 Procedure
                                 5.6.3.4.1 Preparation and
                                              standardization of
                                              perchloric acid/
                                              acetone-solution
                                 5.6.3.4.2 Titration
                                 5.6.3.4.3 Evaluation
                      5.6.3.5 Test report
                      5.6.3.6 Precision
             5.6.4 Determination of hexamethylenetetramine
                      by the Kjeldahl nitrogen method
                      5.6.4.1 Designation
                      5.6.4.2 Apparatus
                      5.6.4.3 Reagents
                      5.6.4.4 Procedure
                                 5.6.4.4.1 Digestion
                                 5.6.4.4.2 Distillation
                                 5.6.4.4.3 Evaluation
                      5.6.4.5 Test report
                      5.6.4.6 Precision
      5.7 Determination of curing characteristic
             5.7.1 Determination of B time using the B
                      time plate
                      5.7.1.1 Method C1
                                 5.7.1.1.1 Designation
                                 5.7.1.1.2 Test portion
                                 5.7.1.1.3 Analytical
                                              sample
                                 5.7.1.1.4 Number of
                                              determinations
                                 5.7.1.1.5 Apparatus
                                 5.7.1.1.6 Procedure
                                 5.7.1.1.7 Test report
                                 5.7.1.1.8 Precision
                      5.7.1.2 Method C2
                                 5.7.1.2.1 Designation
                                 5.7.1.2.2 Test portion
                                 5.7.1.2.3 Analytical
                                              sample
                                 5.7.1.2.4 Number of
                                              determinations
                                 5.7.1.2.5 Apparatus
                                 5.7.1.2.6 Procedure
                                 5.7.1.2.7 Test report
                                 5.7.1.2.8 Precision
             5.7.2 Determination of gelatine time
                      5.7.2.1 Designation
                      5.7.2.2 Test portion
                      5.7.2.3 Number of determinations
                      5.7.2.4 Apparatus
                      5.7.2.5 Procedure
                      5.7.2.6 Test report
                      5.7.2.7 Precision
      5.8 Determination of viscosity of liquid phenolic
             resins and phen