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PE pressure pipes made from PE 100-RC - HESSEL ...

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log σ [N/mm²]<br />

5. New creep rupture curves for <strong>PE</strong> <strong>100</strong>-<strong>RC</strong><br />

<strong>PE</strong> <strong>pressure</strong> <strong>pipes</strong> <strong>made</strong> <strong>from</strong> <strong>PE</strong><strong>100</strong>-<strong>RC</strong><br />

Plastic Pressure Pipes 05.-07.October 2009 | <strong>HESSEL</strong>-Ingenieurtechnik GmbH<br />

<strong>HESSEL</strong><br />

Ingenieurtechnik<br />

<strong>PE</strong> <strong>100</strong>-<strong>RC</strong> exceeds standard creep rupture curves<br />

5 N/mm²<br />

flat ‘branch’<br />

<strong>PE</strong> <strong>100</strong> according to DIN 8075<br />

<strong>100</strong>0 h<br />

steep ‘branch’<br />

<strong>PE</strong> <strong>100</strong>-<strong>RC</strong><br />

thermal ageing<br />

1 year at 80 °C<br />

?<br />

log t [h]<br />

14

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