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JIS K 6261-4:2017

JIS K 6261-4:2017

$20.15

Rubber, vulcanized or thermoplastic-Determination of low-temperature properties- Part 4: Low-temperature retraction (TR test)

Published By Publication Date Number of Pages
JIS 2017-10-20 18
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This Standard specifies a method for the determination of the temperature-retraction characteristics of vulcanized and thermoplastic rubbers where the temperature at which the test piece, stretched and then frozen at low temperature, recovers elasticity with the temperature rise and reaches the specified percentage retraction is determined (TR test).

This Standard does not cover thermoplastic rubbers which have a yield point in the range of 5 % to 20 % elongation.

NOTE 1 Thermoplastic rubbers having a yield point might affect the result when carrying out TR tests, and the results obtained from such tests should be analysed with caution

NOTE 2 The International Standard corresponding to this Standard and the symbol of degree of correspondence are as follows.

ISO 2921 :2011 Rubber, vulcanized-Determination of low-temperature retraction (TR test) (MOD)

In addition, symbols which denote the degree of correspondence in the contents between the relevant International Standard and JIS are IDT (identical), MOD (modified), and NEQ (not equivalent) according to ISO/lEC Guide 21-1.

WARNING 1 Persons using this Standard should be familiar with normal laboratory practice.

This Standard does not purport to address all of the safety problems, if any, associated with its use.

It is the responsibility of the user of this Standard to establish appropriate safety and health practices.

WARNING 2 Certain procedures specified in this Standard might involve the use or generation of substances, or the generation of waste, that could constitute a local environmental hazard.

Reference should be made to related laws and regulations on safe handling and disposal after use.

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JIS K 6261-4:2017
$20.15