Test as per the Technical Limit value and permissible test specifications for joint No Test item Frequency variation EP vis-à-vis the filling compounds in traffic original inspection areas 1 deviations - ISO 3302-1 x1 Measurement accuracy class E1 ± 5 IRHD [International Rubber 2 Hardness 4.3.1 ISO 48 x1 Hardness Degrees] 3.1 Tensile strength at break 4.3.2 DIN EN 14840 x1 9 MPa and ± 20% in relative ≥ terms 3.2 Elongation at break 4.3.2 DIN EN 14840 x1 Dependent on the hardness class: e.g. at 70 IRHD: 200% ≥ 4 Compression set in air 4.3.5 DIN EN 14840 x2 at +70 °C 20% ≤ at -25 °C DIN EN 14840 x2 60% 4.3.5 ≤ 5 Accelerated ageing in - DIN EN 14840 - - air 5.1 Change in hardness - DIN EN 14840 x2 -5 IRHD …+8 5.2 Change in tensile - DIN EN x2 -20 …+40% strength at break 5.3 Change in elongation at - DIN EN x2 -30 …+10% break with hardness class 85: -40 …+10% 6 Stress relief under 4.3.6 DIN EN 14840 - - pressure 7 Elastic recovery 4.3.7 DIN EN 14840 x1 65%, and ≥ permissible variation EP ± 20% at - 25 °C in relative terms at + 70 °C x1 80%, and ≥ permissible variation EP ± 20% in relative terms 8 Ozone resistance 4.3.4 DIN EN - - Protection against 9 4.3.8 DIN EN 14840 x2 - excessive expansion x1 Test performed on 3 batches distributed evenly throughout a calendar year’s production period x2 Test performed on 1 batch in the calendar year Table A 5: Primers as per DIN EN 14188-4 (applies to all compounds)
No Test item Test as per the Technical test specifications for joint filling compounds in traffic areas Frequency Limit value and permissible variation EP vis-à-vis the original inspection 1 deviations - ISO 3302-1 x1 Measurement accuracy class E1 2 Hardness 4.3.1 ISO 48 x1 ± 5 IRHD [International Rubber Hardness Degrees] 3.1 Tensile strength at break 4.3.2 DIN EN 14840 x1 ≥ 9 MPa and ± 20% in relative terms 3.2 Elongation at break 4.3.2 DIN EN 14840 x1 Dependent on the hardness class: e.g. at 70 IRHD: ≥ 200% 4 Compression set in air at +70 °C 4.3.5 DIN EN 14840 x2 ≤ 20% at -25 °C 4.3.5 DIN EN 14840 x2 ≤ 60% 5 Accelerated ageing in air - DIN EN 14840 - - 5.1 Change in hardness - DIN EN 14840 x2 -5 …+8 IRHD 5.2 Change in tensile strength at break - DIN EN x2 -20 …+40% 5.3 Change in elongation at break - DIN EN x2 -30 …+10% with hardness class 85: -40 …+10% 6 Stress relief under pressure 4.3.6 DIN EN 14840 - - 7 Elastic recovery at - 25 °C 4.3.7 DIN EN 14840 x1 ≥ 65%, and permissible variation EP ± 20% in relative terms at + 70 °C x1 ≥ 80%, and permissible variation EP ± 20% in relative terms 8 Ozone resistance 4.3.4 DIN EN - - 9 Protection against excessive expansion 4.3.8 DIN EN 14840 x2 - x1 Test performed on 3 batches distributed evenly throughout a calendar year’s production period x2 Test performed on 1 batch in the calendar year Table A 5: Primers as per DIN EN 14188-4 (applies to all compounds)
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