GB/T 32435-2015 in English

VALID

Footwear―Test method for volatile organic compounds

Issued on:2015-12-31
Implemented on:2016-07-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $210.00
$204.00

Standard No:	GB/T 32435-2015
Document status:	VALID
Title in English:	Footwear―Test method for volatile organic compounds
Title in Chinese:	鞋类有机挥发物试验方法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2015-12-31
Implemented on:	2016-07-01
ICS Classification:	61.060-Footwear
Chinese Classification:	Y78-Footgear
Professional Classification:	GB-National Standard
Related Keywords:	footwear ― test method volatile organic compounds volatile organic compounds introduction test method footwear products
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《GB/T 32435-2015鞋类有机挥发物试验方法》由TC305（全国制鞋标准化技术委员会）归口，主管部门为中国轻工业联合会。
本标准规定了鞋类产品中有机挥发物(VOC)释放量的试验方法。
本标准适用于所有整鞋。

Introduction

1. Standard Overview

GB/T 32435—2015 "Test Method for Volatile Organic Compounds in Footwear" is China's first national standard for the release of volatile organic compounds (VOG) in footwear products, and is intended to evaluate the harmful substances that may be released during the use of shoes.

2. Method Principle and Test Process

This standard uses for sampling, and combines thermal desorbers and gas chromatography-mass spectrometers (GC-MS) to complete qualitative and quantitative analysis. The entire process includes four stages: test chamber preparation, sample placement, gas sampling, and sample analysis.

3. Comparison of standard frameworks

Standard dimensions	GB/T 32435—2015	Comparison of international footwear standards
Scope of application	All complete shoes, including leather boots and other footwear products	ISO 16820 (VOC test for building products) NF D32-202 (French footwear standard)
Test parameters	Six single compounds such as benzene and toluene and total VOC emissions	EU EN 13938 (VOC test for textiles) US ASTM D7452 (chemical test for footwear)
Equipment requirements	Equipped with GC-MS, thermal analyzer and TenaxTA adsorption tube	German DIN 53384 (VOC detection) Japanese JIS L1092 (textile chemical testing)

4. Professional term analysis and application cases

Term explanation:

TenaxTA adsorption tube: used to capture the VOC mixed gas released by the sample to ensure accurate sampling.
Gas chromatography-mass spectrometer (GC-MS): qualitative and quantitative analysis is achieved through chromatographic separation and mass spectrometry detection.
Polarity index: used to select a suitable chromatographic column to ensure effective separation of VOG.

Application Case:

In the test of a sports brand's footwear products, it was found that the toluene emission exceeded the standard. By adjusting the shoe material formula and production process, the total VOC emission was reduced by 40% in subsequent batches, meeting the national standard requirements.

5. Implementation Suggestions

It is recommended to use a professional testing agency to conduct VOG testing to ensure data accuracy.
Introduce environmentally friendly materials and processes during the product design stage to reduce VOC emissions.
Regularly calibrate the equipment, especially the performance parameters of GC-MS and thermal analyzers.

More samples: DL/T 368-2010 YD/T 3934-2021 DL/T 5154-2012

Sample only — not a preview of GB/T 32435-2015

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