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GB/T 30808-2014: Thermal insulation products for buildings -- Determination of retention rate on tensile strength perpendicular to the faces in hygrothermal conditions
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 30808-2014 | English | 149 |
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Thermal insulation products for buildings -- Determination of retention rate on tensile strength perpendicular to the faces in hygrothermal conditions
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GB/T 30808-2014
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Basic data | Standard ID | GB/T 30808-2014 (GB/T30808-2014) | | Description (Translated English) | Thermal insulation products for buildings -- Determination of retention rate on tensile strength perpendicular to the faces in hygrothermal conditions | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q25 | | Classification of International Standard | 91.100.60 | | Word Count Estimation | 5,558 | | Date of Issue | 6/24/2014 | | Date of Implementation | 2/1/2015 | | Quoted Standard | GB/T 4132-1996; JG 149-2003 | | Regulation (derived from) | National Standards Bulletin No. 14 of 2014 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This Standard specifies After building insulation products in place for some time under specified temperature and humidity conditions, the vertical tensile strength retention rate determination method in surface. This Standard applies to building insulati | GB/T 30808-2014: Thermal insulation products for buildings -- Determination of retention rate on tensile strength perpendicular to the faces in hygrothermal conditions
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Thermal insulation products for buildings. Determination of retention rate on tensile strength perpendicular to the faces in hygrothermal conditions
ICS 91.100.60
Q25
National Standards of People's Republic of China
Building insulation products under hot and humid conditions perpendicular
Determination of tensile strength retention rate of the surface
Issued on. 2014-06-24
2015-02-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
The standard proposed by China Building Materials Federation.
This standard by the National Standardization Technical Committee heat insulating material (SAC/TC191) centralized.
This standard is drafted by. Nanjing Fiberglass Research and Design Institute Limited, the national glass fiber product quality supervision and inspection center.
The main drafters. Zhang Jian Hong, Chen Shang, Wang Yumei, Wang Jiaqing, Cui Jun, Chen Lihua, Yang Chao, ROCKETS, Tang Jian Hao Zheng Tao.
Building insulation products under hot and humid conditions perpendicular
Determination of tensile strength retention rate of the surface
1 Scope
This standard specifies the post building insulation products, a period of time at a predetermined temperature and humidity conditions, the tensile strength perpendicular to the surface
Determination of retention rates.
This standard applies to building insulation products.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 4132-1996 insulation materials and related terms
JG149-2003 expanded polystyrene board thin plaster exterior insulation system
3 Terms and Definitions
GB/T 4132-1996 and defined the following terms and definitions apply to this document.
3.1
Retention of tensile strength perpendicular to the surface of the retentionrateontensilestrengthperpendiculartothefaces
Perpendicular to the surface of the specimen tensile strong sample was a period of time at a predetermined temperature and humidity conditions, and the determination not to place after place
degree. Specific tensile strength after placement and before placing the specimen is perpendicular to the surface of the tensile strength retention rate.
4 Equipment
4.1 temperature and humidity box, temperature accuracy of ± 1 ℃, humidity accuracy of ± 3%.
4.2 tensile strength test machine, accuracy no less than 0.1N.
4.3 steel ruler, accuracy no less than 1mm.
5 Sample
5.1 Sample Preparation
With the right tools cut the sample from the sample, and to ensure the smooth surface of the sample.
5.2 Sample Size
Square sample.
Sheet material size (200 ± 1) mm × (200 ± 1) mm, the original thickness of the sample thickness.
Belt-shaped article size (100 ± 1) mm × (100 ± 1) mm, a thickness of the original thickness of the sample.
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