GB/T 30802-2014 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 30802-2014 | English | 90 |
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Thermal insulating products for building applications -- Determination of behaviour under point load
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GB/T 30802-2014: Thermal insulating products for building applications -- Determination of behaviour under point load
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT30802-2014
GB
NATIONAL STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
ICS 91.120.10
Q 25
GB/T 30802-2014 / ISO 29769.2008
Thermal insulating products for building applications -
Determination of behaviour under point load
(ISO 29769.2008, 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 ... 7
7 Procedure ... 8
8 Calculation and expression of results ... 9
9 Accuracy of measurement ... 10
10 Test report ... 10
Annex A ... 12
Foreword
This Standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This Standard uses translation method to make it identical with ISO 29769.2008
Thermal insulating products for building applications - Determination of
behaviour under point load.
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 &
Design Institute Co., Ltd., National Glass Fiber Products Quality Supervision
and Inspection Center.
Main drafters of this Standard. Hao Zhengtao, Fang Yunwei, Ma Dan, Cui Jun,
Xu Qi, Chen Jianming, Huang Ying, Xu Min, Li Junguang.
Thermal insulating products for building applications -
Determination of behaviour under point load
1 Scope
This Standard specifies equipment and procedures for determining the
behaviour of products under a force applied to a small area of a test specimen
at a given speed. This Standard is applicable to thermal insulating products.
This Standard can be used to determine whether the products have sufficient
strength to withstand the forces applied directly to them either during installation
or during application, mainly caused by pedestrian traffic.
NOTE The test methods given in the main body of this Standard and in Annex A are reported
and interpreted in different ways. The similarities that exist between the methods are not
sufficient to permit reasonable comparisons to be made.
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 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
ISO 2976 Thermal insulating products for building applications -
Determination of linear dimensions of test specimens
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1 point load
compressive force applied to a test specimen by a circular indenter with a
circular cross section of 50 cm2, equivalent to a diameter of 79.8 mm
3.2 critical point
The deformation, Pd, of the test specimen at the thickness, d, measured in
accordance with 7.2, is the largest of the two average values determined for the
two faces, expressed in mm.
The test result is the average value obtained from three test specimens.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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