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sklademVydáno: 2012-11-30
PD ISO/TS 16479:2012
Thermoplastics pipes for the conveyance of fluids. Determination of the slow cracking resistance of pipes and fittings using the Notched Ring Test (NRT)
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| Označení normy: | PD ISO/TS 16479:2012 |
| Počet stran: | 30 |
| Vydáno: | 2012-11-30 |
| ISBN: | 978 0 580 75951 2 |
| Status: | Standard |
Popis
PD ISO/TS 16479:2012
This standard PD ISO/TS 16479:2012 Thermoplastics pipes for the conveyance of fluids. Determination of the slow cracking resistance of pipes and fittings using the Notched Ring Test (NRT) is classified in these ICS categories:
- 23.040.20 Plastics pipes
This Technical Specification determines the slow cracking resistance of pipes and fittings using the Notched Ring Test (NRT) which is a method for determining the slow crack resistance of thermoplastics resins and compounds in pipe form and/or finished products (e.g. pipes and fittings) from which a ring specimen can be cut and notched. The test is performed under sustained constant loading in a test medium at a specified temperature and the time to the on-set of slow cracking is measured. This method applies to the rings from pipes or fittings having a wall thickness greater than 5 mm. This Technical Specification specifies the method of testing using notched ring specimens directly obtained from pipes or fittings.