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7. Exposure to heat and humidity
7.1 Preferred temperatures and test times
T 51-000 – Plastics. Preferred temperature and test duration scales.
In order to limit the number of new test temperatures and durations for conventional exposure tests, which often differ little from those already in use, it seemed essential to establish temperature and duration scales. Temperatures range from 1,000 to – 279°C, and durations from 1 h to 5 years.
Unless absolutely justified by technical imperatives, it is essential to select test temperatures and durations within these ranges.
This registered standard is currently being transformed into an approved standard (new index: NF T 51-000).
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Exposure to heat and humidity
Special use of environmental testing
Bibliography
Standards and norms
- Plastics – Evaluation of the action of micro-organisms. - NF EN ISO 846 - (1997)
- Plastiques. Méthodes d'exposition au rayonnement solaire. Partie 1 : Lignes directrices générales. Partie 2 : Exposition directe et exposition derrière une vitre ou un verre. Partie 3 : Exposition intensifiée par rayonnement solaire concentré. - NF EN ISO 877 - (2011)
- Méthodes d'exposition à des sources lumineuses de laboratoire....
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