GB/T 7758-2020
Rubber, vulcanized—Determination of low-temperature characteristics—Temperature-retraction procedure (TR test) (English Version)

Standard No.

GB/T 7758-2020

Language

Chinese, Available in English version

Release Date

2020

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Latest

GB/T 7758-2020

Replace

GB/T 7758-2002

Scope

This standard specifies the method for determining the low temperature recovery properties of stretched vulcanized rubber. Since the elongation at yield point of many thermoplastic elastomers is between 5% and 20%, this standard does not cover thermoplastic rubber.

GB/T 7758-2020 Referenced Document

• ISO 18899:2013 Rubber - Guide to the calibration of test equipment
• ISO 23529 Rubber - General procedures for preparing and conditioning test pieces for physical test methods

GB/T 7758-2020 history

• 2020 GB/T 7758-2020 Rubber, vulcanized—Determination of low-temperature characteristics—Temperature-retraction procedure (TR test)
• 2002 GB/T 7758-2002 Rubber,vulcanized--Determination of low-temperature characteristics--Temperature-retraction procedure (TR test)
• 1987 GB/T 7758-1987 Rubber, vulcanized--Determination of low temperature characteristics--Temperature-retraction procedure(TR test)