GB/T 21558-2008 English PDF

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GB/T 21558-2008: Rigid polyurethane cellular plastics used in the thermal insulation of building
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 21558-2008	189	Add to Cart	3 days	Rigid polyurethane cellular plastics used in the thermal insulation of building	Valid

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Basic data

Standard ID: GB/T 21558-2008 (GB/T21558-2008)
Description (Translated English): Rigid polyurethane cellular plastics used in the thermal insulation of building
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G30
Classification of International Standard: 83.100
Word Count Estimation: 8,859
Date of Issue: 2008-03-24
Date of Implementation: 2008-10-01
Quoted Standard: GB/T 2918-1998; GB/T 6342-1995; GB/T 6343-1995; GB 8624-2006; GB/T 8810-2005; GB/T 8811-2008; GB/T 8813-2008; GB/T 10294-1988; GB/T 10295-1988; GB/T 15048-1994; GB/T 20672-2006; QB/T 2411-1998; ISO 11561-1999
Regulation (derived from): National Standard Approval Announcement 2008 No.5 (Total No.118)
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 the construction of rigid polyurethane foam insulation with the classification, requirements, test methods, inspection rules and signs, transport, storage. This standard applies to building insulation using rigid polyurethane foam. This standard does not apply to rigid polyurethane spray foam and rigid polyurethane foam pipe.

GB/T 21558-2008: Rigid polyurethane cellular plastics used in the thermal insulation of building

---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.
Rigid polyurethane cellular plastics used in the thermal insulation of building ICS 83.100 G30 National Standards of People's Republic of China Building insulation using rigid polyurethane foam Posted 2008-03-24 2008-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

Please note that some of the content of this standard may involve patents. The standard release Institutions should not bear the responsibility to identify these patents. The technical content of the standard reference to the ISO 4898. "rigid foam for building insulation foam norms" relating to 2006 Insulation with rigid polyurethane foam parts. The standard proposed by China National Light Industry Council. This standard by the National Standardization Technical Committee of plastic products. This standard was drafted. Beijing Technology and Business University, Yantai Wanhua Polyurethane Co., Ltd., Nanjing Red Polaroid Corp., Bayer Material Material Technology Trading (Shanghai) Co., Ltd., Changzhou Crystal Ice Refrigeration Equipment Co., Air Products and Chemicals (China) Investment Co., Ltd., Jiangsu Province Institute of Chemical Industry Co., Ltd., Jiangsu Province Product Quality Supervision and Inspection Institute. The main drafters of this standard. Chen Qian, Han Huaiqiang, Vivaldi, Park Sang Lin Jiafu Zhong, Zhang Peng, Wu Hao, Wang Yan. Building insulation using rigid polyurethane foam

1 Scope

This standard specifies the building insulation using rigid polyurethane foam of classification, requirements, test methods, inspection rules and signs, transportation, Storage. This standard applies to building insulation using rigid polyurethane foam. This standard does not apply to spray rigid polyurethane foams and rigid polyurethane foam pipes.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 2918-1998 standard plastic sample conditioning and environmental tests (idt ISO 291.1997) GB/T 6342-1996 plastics and rubbers - Determination of linear dimensions (idt ISO 1923. 1981) GB/T 6343-1995 rubber foam and an apparent (bulk) density measurement (neq ISO 845. 1988) GB 8624-2006 Classification for burning behavior of building materials and products (EN13501-1.2002, MOD) GB/T 8810-2005 rigid foam water absorption (ISO 2896.2001, MOD) GB/T 8811-2008 rigid foam dimensional stability test methods (ISO 2796. 1986, IDT) GB/T 8813-2008 rigid foam Determination of compression properties (ISO 844.2004, IDT) GB/T 10294-1988 steady insulation resistance and related properties - Guarded hot plate method (ISO /DIS8302. 1986, IDT) GB/T 10295-1988 steady insulation resistance and related properties - Heat flow meter method (idt ISO /DIS8301. 1987) Creep test method GB/T 15048-1994 rigid foam compression (idt ISO 7850. 1986) GB/T 20672-2006 rigid foam under specified compressive load and temperature conditions - Determination of creep (GB/T 20672- 2006, ISO 7616. 1986, IDT) QB/T 2411-1998 rigid foam water vapor permeability (eqv ISO 1663. 1981) ISO 11561.1999 Determination of thermal aging of insulation materials foam sealing long-term heat resistance of change accelerated laboratory test method Category 3 3.1 Categories Product use is divided into three categories. Class Ⅰ --- For non-bearing requirements of the occasion. Ⅱ class --- suitable for a certain load requirements, and there is resistance to high temperatures and resistance to compression creep is required. The products can also be used Ⅰ class Product applications. Ⅲ class --- suitable for higher load requirements, and there is compressive strength, resistance to compression creep is required. The products can also be used Ⅰ class and Ⅱ class product applications. 3.2 Product classification Products by combustion performance is divided into B, C, D, E, F grade in accordance with the provisions of GB 8624-2006.

4 Requirements

4.1 sheet products length and width limit deviations shall comply with the requirements of Table 1. ......

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