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CEN

EN 727:1994

(Main)

Plastics piping and ducting systems - Thermoplastics pipes and fittings - Determination of Vicat softening temperature (VST)

Plastics piping and ducting systems - Thermoplastics pipes and fittings - Determination of Vicat softening temperature (VST)

This standard specifies a method for determining the Vicat softening temperature (VST) of pipes and fittings (see note) of thermoplastics materials, based on method B of ISO 306:1987, i.e. using a force of (50-1) N and a rate of temperature increase of 50°C/h. A measure of the temperature is obtainable only for those thermoplastics for which the softening becomes rapid.

Kunststoff-Rohrleitungs- und Schutzrohrsysteme - Rohre und Formstücke aus Thermoplasten - Bestimmung der Vicat-Erweichungstemperatur (VST)

Diese Norm legt ein Verfahren zur Bestimmung der Vicat-Erweichungstemperatur (VST: Vicat softening temperature) von Rohren und Formstücken aus Thermoplasten fest. Das Verfahren basiert auf ISO 306:1987, Verfahren B, d.h. es wird eine Belastung von (50-1) N und eine Temperatursteigerungsrate von 50°C/h angewendet. Ein Messergebnis für die Temperatur ist nur bei den Thermoplasten zu erhalten, bei denen die Erweichung schnell eintritt.

Systèmes de canalisations et de gaines plastiques - Tubes et raccords thermoplastiques - Détermination de la température de ramollissement Vicat (VST)

Cette norme spécifie une méthode d'essai pour déterminer la température de ramollissement Vicat (VST: Vicat softening temperature) des tubes et raccords thermoplastiques (voir note), adaptée à partir de la méthode B de l'ISO 306: 1987, c'est-à-dire utilisant une force de (50-1) N et un taux d'élévation de la température de 50°C/h. Une mesure de la température n'est réalisable qu'avec les seules matières thermoplastiques dont le ramollissement est rapide.

Cevni sistemi iz polimernih materialov - Plastomerne cevi in fitingi - Določanje temperature zmehčišča po Vicatu (VST)

General Information

Status
Withdrawn
Publication Date
23-Aug-1994
Withdrawal Date
17-Oct-2017
ICS
23.040.20 - Plastics pipes
23.040.45 - Plastics fittings
Technical Committee
CEN/TC 155 - Plastics piping systems and ducting systems
Drafting Committee
CEN/TC 155 - Plastics piping systems and ducting systems
Current Stage
9960 - Withdrawal effective - Withdrawal
Completion Date
18-Oct-2017
Directive
93/38/EEC - Procurement procedures of entities operating in the water, energy, transport and telecommunications sectors
Mandate
M/BC/CEN/88/15 - Standardization request to CEN/CENELEC in the field of Water supply, drainage and sewerage
Ref Project
SIST EN 727:1997 - Plastics piping and ducting systems - Thermoplastics pipes and fittings - Determination of Vicat softening temperature (VST)

Relations

Replaced By
EN ISO 2507-2:2017 - Thermoplastics pipes and fittings - Vicat softening temperature - Part 2: Test conditions for unplasticized poly(vinyl chloride) (PVC-U) or chlorinated poly(vinyl chloride) (PVC-C) pipes and fittings and for high impact resistance poly (vinyl chloride) (PVC-HI) pipes (ISO 2507-2:1995)
Effective Date
08-Jun-2022
Replaced By
EN ISO 2507-1:2017 - Thermoplastics pipes and fittings - Vicat softening temperature - Part 1: General test method (ISO 2507-1:1995)
Effective Date
08-Jun-2022
Replaced By
EN ISO 2507-3:2017 - Thermoplastics pipes and fittings - Vicat softening temperature - Part 3: Test conditions for acrylonitrile/butadiene/styrene (ABS) and acrylonitrile/styrene/acrylic ester (ASA) pipes and fittings (ISO 2507-3:1995)
Effective Date
08-Jun-2022

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EN 727:1997EN 727:1997
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Standards Content (Sample)


SLOVENSKI STANDARD
01-februar-1997
&HYQLVLVWHPLL]SROLPHUQLKPDWHULDORY3ODVWRPHUQHFHYLLQILWLQJL'RORþDQMH
WHPSHUDWXUH]PHKþLãþDSR9LFDWX 967
Plastics piping and ducting systems - Thermoplastics pipes and fittings - Determination
of Vicat softening temperature (VST)
Kunststoff-Rohrleitungs- und Schutzrohrsysteme - Rohre und Formstücke aus
Thermoplasten - Bestimmung der Vicat-Erweichungstemperatur (VST)
Systemes de canalisations et de gaines plastiques - Tubes et raccords thermoplastiques
- Détermination de la température de ramollissement Vicat (VST)
Ta slovenski standard je istoveten z: EN 727:1994
ICS:
23.040.20 Cevi iz polimernih materialov Plastics pipes
23.040.45 Fitingi iz polimernih Plastics fittings
materialov
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov
...

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