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GB/T 20974-2014 English PDF

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Q: Should I purchase the latest version GB/T 20974-2014?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 20974-2014 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$259.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 20974-2014: Rigid phenolic foam for thermal insulation (PF)
Status: Valid

GB/T 20974: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 20974-2014	259	Add to Cart	3 days	Rigid phenolic foam for thermal insulation (PF)	Valid
GB/T 20974-2007	399	Add to Cart	3 days	Rigid phenolic foam for thermal insulation (PF)	Obsolete

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Basic data

Standard ID: GB/T 20974-2014 (GB/T20974-2014)
Description (Translated English): Rigid phenolic foam for thermal insulation (PF)
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Q25
Classification of International Standard: 91.120.10
Word Count Estimation: 11,111
Date of Issue: 6/24/2014
Date of Implementation: 2/1/2015
Older Standard (superseded by this standard): GB/T 20974-2007
Quoted Standard: GB/T 2406.2; GB/T 4132; GB/T 5486; GB/T 6342; GB/T 6343; GB/T 8624-2012; GB/T 8627; GB/T 8810; GB/T 8811; GB/T 8812.1; GB/T 8813; GB/T 10294; GB/T 10295; GB/T 15048; GB/T 17146-1997; GB 18580-2001; JG 149; JG/T 159
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 the use of rigid phenolic foam insulation products, terms and definitions, classification and marking requirements, test methods, inspection rules and signs, packaging, transport and storage. This Standard applies to buildings, equ

GB/T 20974-2014: Rigid phenolic foam for thermal insulation (PF)

---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 phenolic foam for thermal insulation (PF) ICS 91.120.10 Q25 National Standards of People's Republic of China Replacing GB/T 20974-2007 Rigid phenolic foam insulation products (PF) 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. This standard replaces GB/T 20974-2007 "rigid phenolic foam insulation products (PF)". This standard and GB/T 20974-2007 Compared to the main changes are as follows. --- Cancellation terms according to the density genotyping; --- Increasing the appearance requirements for products; --- Increase the size deviation requirements, increasing the requirements flatness, straightness and squareness; --- Combustion properties increased oxygen index and smoke density requirements of the class; --- Improving the bending fracture strength requirements; --- For products increased wall perpendicular to the plate surface tensile strength requirements; --- Improve the thermal conductivity requirements; --- Improve the water absorption volume (V/V) requirements; --- Modify the permeability coefficient of the requirements; --- Inhabited for long-term indoor environmental products increased formaldehyde emission requirements; --- Modify the decision rule. 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. building materials industry and technical supervision research center, Suzhou US Marx and Technology Development Co., Ltd. Tengzhou City Sea new insulation materials Co., Ltd. Shandong Shengquan Chemical Co., Ltd., Jiangsu Suzhao Sheng Building Materials Co., Ltd, China Building Material Test and Certification set Group Co., Ltd., Shanghai Research Institute of Building Sciences (Group) Co., Ltd., Shanghai Public Material Engineering Testing Co., Ltd., China energy-saving insulation Materials Association. Participated in the drafting of this standard. High-tech Co., Ltd. Beijing Plains, four Chuan Fulong Thermal Insulation Material Co., Ltd., China Construction Materials Science Research Institute, Shandong Haihua Chemical Technology Co., Ltd. crown. The main drafters of this standard. Ganxiang Chen Jinfu Jin, Zhong Dongnan, Deng Gang, Yang Jinping, Xu Ying, Zhang Yuhui, Qinbo Jun, Chen Bin, Zhao Tingting, Zhu Youping, Xuling Qi, Xuzhong Kun, Hu Xiaoyuan, Sun Zhiwu. This standard replaces the standards previously issued as follows. --- GB/T 20974-2007. Rigid phenolic foam insulation products (PF)

1 Scope

This standard specifies thermal insulation rigid phenolic foam products, terms and definitions, classification and marking requirements, test methods, inspection rules and standard Chi, packaging, transport and storage. This standard applies to buildings, equipment and pipe insulation rigid phenolic foam products (hereinafter referred to as products), note reference when using the articles See Appendix A.

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 2406.2 Determination of burning behavior of plastics - Part 2 oxygen index. room temperature test GB/T 4132 insulation materials and related terms GB/T 5486 inorganic rigid thermal insulation - Test methods GB/T 6342 Determination of linear dimensions of foam rubber GB/T 6343 and foam rubber apparent (bulk) density measurement GB 8624-2012 Classification for burning behavior of building materials and products Smoke density test method combustion or decomposition GB/T 8627 supplies Determination of GB/T 8810 Water absorption of rigid foam GB/T 8811 rigid foam dimensional stability test methods GB /Determination of flexural properties of rigid foam T 8812.1 - Part 1. Basic bending test Measuring performance GB/T 8813 rigid foam compression GB/T 10294 insulation steady thermal resistance and related properties - Guarded hot plate method GB/T 10295 insulation steady thermal resistance and related properties - Heat flow meter method Creep Test Methods GB/T 15048 rigid foam compression GB/T 17146-1997 water vapor permeability test method of building materials GB 18580-2001 interior decoration materials, plywood and their products limited release formaldehyde JG149 expanded polystyrene board thin plaster exterior insulation system JG/T 159 within the external wall insulation board

3 Terms and Definitions

GB/T 4132 and GB 18580-2001 define the following terms and definitions apply to this document. 3.1 Rigid phenolic foam products rigidphenolicfoam PF From phenol and formaldehyde polycondensate (e.g. phenol resin) mixed with a curing agent, a foaming agent, a surfactant and the like made of porous filler Rigid foam. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 20974-2014_English be delivered?

Answer: Upon your order, we will start to translate GB/T 20974-2014_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 20974-2014_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 20974-2014_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 20974-2014?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 20974-2014 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.