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DIN ISO 815-2

English -- Rubber, vulcanized or thermoplastic - Determination of compression set - Part 2: At low temperatures (ISO 815-2:2014);
German -- Elastomere oder thermoplastische Elastomere - Bestimmung des Druckverformungsrestes - Teil 2: Bei niedrigen Temperaturen (ISO 815-2:2014)

Organization:
DIN - Deutsches Institut fš?r Normung e. V.
Year: 2016

Abstract: Scope: This part of ISO 815 specifies two methods for the determination of the compression set characteristics of vulcanized and thermoplastic rubbers at low temperatures. Method 1 derives from the methodology used in ISO 815-1. Method 2 uses a specified testing device, allowing to measure and record the test piece thickness during recovery. Due to the load applied during recovery in method 2, no correlation can be established between the results given by both methods. NOTE When rubber is held under compression, physical or chemical changes can occur that prevent the rubber returning to its original dimensions after release of the deforming force. The result is a set, where the magnitude of which depends on the time and temperature of compression as well as on the time, temperature, and conditions of recovery. At low temperatures, changes resulting from the effects of glass hardening or crystallization become predominant and, since these effects are reversed by raising the temperature, it is necessary for all measurements to be undertaken at the test temperature.
URI: http://yse.yabesh.ir/std;jsery=autho1826AF679D4049A9109490D8982D8B45/handle/yse/236877
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    DIN ISO 815-2

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contributor authorDIN - Deutsches Institut fš?r Normung e. V.
date accessioned2017-10-18T11:13:57Z
date available2017-10-18T11:13:57Z
date copyright2016.09.01
date issued2016
identifier otherFDKGSFAAAAAAAAAA.pdf
identifier urihttp://yse.yabesh.ir/std;jsery=autho1826AF679D4049A9109490D8982D8B45/handle/yse/236877
description abstractScope: This part of ISO 815 specifies two methods for the determination of the compression set characteristics of vulcanized and thermoplastic rubbers at low temperatures. Method 1 derives from the methodology used in ISO 815-1. Method 2 uses a specified testing device, allowing to measure and record the test piece thickness during recovery. Due to the load applied during recovery in method 2, no correlation can be established between the results given by both methods. NOTE When rubber is held under compression, physical or chemical changes can occur that prevent the rubber returning to its original dimensions after release of the deforming force. The result is a set, where the magnitude of which depends on the time and temperature of compression as well as on the time, temperature, and conditions of recovery. At low temperatures, changes resulting from the effects of glass hardening or crystallization become predominant and, since these effects are reversed by raising the temperature, it is necessary for all measurements to be undertaken at the test temperature.
languageEnglish
titleDIN ISO 815-2num
titleEnglish -- Rubber, vulcanized or thermoplastic - Determination of compression set - Part 2: At low temperatures (ISO 815-2:2014)en
titleGerman -- Elastomere oder thermoplastische Elastomere - Bestimmung des Druckverformungsrestes - Teil 2: Bei niedrigen Temperaturen (ISO 815-2:2014)other
typestandard
page20
statusActive
treeDIN - Deutsches Institut fš?r Normung e. V.:;2016
contenttypefulltext
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