Standard No.:	GB/T 4857.2-2005
English Name:	Packaging—Basic tests for transport packages—Part 2:Temperature and humidity conditioning
Chinese Name:	包装 运输包装件基本试验 第2部分： 温湿度调节处理
Chinese Classification:	A83    Packaging method
Professional Classification:	GB    National Standard
Issued by:	AQSIQ; SAC
Issued on:	2005-5-25
Implemented on:	2005-11-1
Status:	valid
Superseding:	GB/T 4857.2-1992 Packaging-Transport packages-Temperature and humidity conditioning
Language:	English
File Format:	PDF
Word Count:	2000 words
Price(USD):	60.00
Delivery:	via email in 1 business day

1 Scope



This part of GB/T 4857 specifies the conditions, apparatus, procedure and test report for the temperature and humidity conditioning of transport packages and unit loads.



This part is applicable to the temperature and humidity conditioning of transport packages and unit loads.



2 Principle



The test specimen is exposed to predetermined temperature and humidity conditions for a predetermined period of time.



3 Temperature and humidity conditioning conditions



According to the characteristics of the transport packages and the environmental conditions that may be encountered during the circulation process, one of the temperature and humidity conditions given in 3.1 and one of the conditioning time given in 3.2 shall be selected for temperature and humidity conditioning.



3.1 Temperature and humidity conditions



3.1.1 See Table 1 for the temperature and humidity conditions.



Table 1 Temperature and humidity conditions

Foreword II
1 Scope
2 Principle
3 Temperature and humidity conditioning conditions
4 Apparatus
5 Procedure
6 Test report
Annex A (Informative) Relative accuracies of the measurement of temperature and relative humidity