GB/T 35466-2017 in English

VALID

Determination of the emission of volatile organic compounds from wood-plastic composite for construction

Issued on:2017-12-29
Implemented on:2018-11-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $160.00
$156.00

Standard No:	GB/T 35466-2017
Document status:	VALID
Title in English:	Determination of the emission of volatile organic compounds from wood-plastic composite for construction
Title in Chinese:	建筑用木塑复合材料挥发性有机化合物（VOC）测定
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2017-12-29
Implemented on:	2018-11-01
ICS Classification:	91.100.99-Other construction materials
Chinese Classification:	Q10-Building materials products in general
Professional Classification:	GB-National Standard
Related Keywords:	volatile organic compounds organic compounds wood-plastic composite materials wood-plastic composite construction introduction interpretation
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《GB/T 35466-2017建筑用木塑复合材料挥发性有机化合物（VOC）测定》由TC195（全国轻质与装饰装修建筑材料标准化技术委员会）归口，TC195SC2（全国轻质与装饰装修建筑材料标准化技术委员会木塑复合材料分会）执行，主管部门为中国建筑材料联合会。

Introduction

Interpretation of the core content of the standard

This standard specifies the method for determining volatile organic compounds in wood-plastic composite materials for construction using a small release chamber system, which is suitable for the detection of organic compounds with an initial boiling point ≤250℃.

Key Technical Requirements

Parameters	Control Range	Accuracy Requirements
Temperature	23-28℃	±0.5℃
Relative Humidity	50%	±2%
Air Flow Rate	0.5-1.5m/s	±5%

Test Process Detailed Explanation

Specimen preparation

The specimens need to be equilibrated for 15±2 days at 23±1℃ and 50±5%RH, with a spacing of ≥25mm to ensure air circulation. Hollow specimens need to be sealed with inert materials.

Sampling time nodes

Key test points: 1 day (24h), 3 days (72h), 7 days (168h), 14±1 days, 28±2 days
The test can be terminated early when the concentration is lower than the quantitative limit

Instrument configuration requirements

A small release chamber system that complies with GB/T 29899-2013 must be configured, and the following analytical equipment must be used:

Thermal desorption-gas chromatography-mass spectrometry (GC-MS)
Flame ionization detector (GC/FID)
Sampling system with a flow range of 0-500mL/min

Implementation suggestions

Laboratory quality control

It is recommended to calibrate the standard curve weekly, and the deviation of the standard sample should be ≤15%. The sampling tube needs to be analyzed within 4 weeks.

Data Analysis Points

TVOC calculations must include all peaks from n-hexane to n-hexadecane, and qualitative and quantitative analysis must be performed on at least 10 main peaks.

More samples: QC/T 942-2021 DL/T 368-2010 JGJ 94-2008

Sample only — not a preview of GB/T 35466-2017

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