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GB/T 30806-2014 English PDF (GBT30806-2014)

GB/T 30806-2014 English PDF (GBT30806-2014)

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GB/T 30806-2014: Thermal insulating products for building applications -- Determination of dimensional stability under specified temperature and humidity conditions
GB/T 30806-2014
GB
NATIONAL STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
ICS 91.120.10
Q 25
GB/T 30806-2014 / ISO 29472.2008
Thermal insulating products for building applications -
Determination of dimensional stability under specified
temperature and humidity conditions
(ISO 29472.2008, IDT)
ISSUED ON. JUNE 24, 2014
IMPLEMENTED ON. FEBRUARY 1, 2015
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine;
Standardization Administration Committee.
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative references ... 4 
3 Terms and definitions ... 4 
4 Principle... 5 
5 Apparatus ... 5 
6 Test specimens ... 5 
7 Test method ... 6 
8 Calculation and expression of results ... 8 
9 Accuracy... 8 
10 Test report ... 9 
Foreword
This Standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This Standard identically adopts ISO 29472.2008 Thermal insulating products
for building applications - Determination of dimensional stability under specified
temperature and humidity conditions.
This Standard was proposed by China Building Materials Federation.
This Standard shall be under the jurisdiction of National Technical Committee
on Insulation Material of Standardization Administration of China (SAC/TC 191).
The drafting organizations of this Standard. Nanjing Glass Fiber Research and
Design Institute Co., Ltd., National Glass Fiber Products Quality Supervision
and Inspection Center.
Main drafters of this Standard. Chen Lihua, Cui Jun, Jiang Pengfei, Yang Chao.
Thermal insulating products for building applications -
Determination of dimensional stability under specified
temperature and humidity conditions
1 Scope
This Standard specifies the equipment and procedures for evaluating
dimensional changes of specimens under specified conditions of temperature,
relative humidity and duration of exposure.
This Standard proposes a range of conditions from which one or more desirable
test conditions can be selected.
This Standard is applicable to thermal insulating products.
2 Normative references
The following referenced documents are indispensable for the application of
this document. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any
amendments) applies.
ISO 29768 Thermal insulating products for building applications -
Determination of linear dimensions of test specimens
ISO 5725-2 Accuracy (trueness and precision) of measurement methods
and results - Part 2. Basic method for the determination of repeatability and
reproducibility of a standard measurement method
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1 length
dimension of the specimen parallel to the longer linear dimension of the major
surface of the original product
3.2 width
d) results. all individual values and mean values.
NOTE It is expected that information about the apparatus and identity of the person
responsible for the test be available in the laboratory, but it is not necessary that it be recorded
in the report.

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