GB/T 37631-2019 in English

VALID

Man-made fiber—Test method for thermal decomposition temperature

Issued on:2019-06-04
Implemented on:2020-01-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $100.00
$97.00

Standard No:	GB/T 37631-2019
Document status:	VALID
Title in English:	Man-made fiber—Test method for thermal decomposition temperature
Title in Chinese:	化学纤维热分解温度试验方法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2019-06-04
Implemented on:	2020-01-01
ICS Classification:	59.060.20-Man-made fibres
Chinese Classification:	W50-Chemical fibre in general
Professional Classification:	GB-National Standard
Related Keywords:	man-made fiber test method thermal decomposition temperature test method thermal decomposition temperature introduction national standard test requirements
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《GB/T 37631-2019化学纤维热分解温度试验方法》由TC586（全国化学纤维标准化技术委员会）归口，主管部门为国家标准化管理委员会。

Introduction

National Standard of the People's Republic of China GB/T 37631—2019

Test method for thermal decomposition temperature of chemical fibers

Variety	Average value (℃)	Repeatability limit (℃)	Reproducibility limit (℃)
Ultra-high molecular weight polyethylene fiber	465.8	4.2	10.2
Para-aramid	575.0	9.5
Polyester fiber	422.1	6.6	11.8
Polyamide fiber	423.2	3.5	12.7
Polytetrafluoroethylene fiber	554.4	18.6	19.1

Implementation suggestions

Equipment selection:Preferably use a thermogravimetric analyzer that meets the requirements of GB/T 37631-2019 to ensure that its temperature control and mass weighing system meet the test requirements.
Sample preparation:Strictly follow the sampling and sample preparation methods in the standard to ensure that the sample length and quality meet the specified requirements.
Test conditions:Adjust the ambient atmosphere, gas flow rate and heating rate according to the actual application requirements, and pay attention to avoid the influence of buoyancy on the measurement results.

More samples: JJG 21-2008 YD/T 3934-2021 DL/T 368-2010

Sample only — not a preview of GB/T 37631-2019

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