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GB/T 26709-2011 English PDF

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US$189.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 26709-2011: Rigid polyurethane foam for solar water heaters
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 26709-2011	189	Add to Cart	3 days	Rigid polyurethane foam for solar water heaters	Valid

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Basic data

Standard ID: GB/T 26709-2011 (GB/T26709-2011)
Description (Translated English): Rigid polyurethane foam for solar water heaters
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G32
Classification of International Standard: 83.100
Word Count Estimation: 8,865
Date of Issue: 2011-06-16
Date of Implementation: 2011-12-01
Quoted Standard: GB/T 2918-1998; GB/T 6343-2009; GB/T 8810-2005; GB/T 8811-2008; GB/T 8813-2008; GB/T 10294-2008; GB/T 10295-2008; GB/T 10799-2008; GB/T 21332-2008
Regulation (derived from): Announcement of Newly Approved National Standards No. 9 of 2011
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 solar water heaters, rigid polyurethane foam requirements, test methods and inspection rules. This standard applies to the polyisocyanate, polyether polyols, blowing agents as the main raw material, mixed injection solar water heater hot water storage tank insulation foam molding cavity preparation of closed-cell foam.

GB/T 26709-2011: Rigid polyurethane foam for solar water heaters

---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 foam for solar water heaters ICS 83.100 G32 National Standards of People's Republic of China Solar water heater with rigid polyurethane foam Issued on. 2011-06-16 2011-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

The standard proposed by China National Light Industry Council. This standard by the National Plastics Standardization Technical Committee (SAC/TC48) centralized. Drafting of this standard. Nanjing Red Polaroid Co., Ltd., Beijing Technology and Business University, Yantai Wanhua Polyurethane Co., Ltd., North Beijing Tsinghua Solar Energy Development Co., Ltd., Shandong Li Norit New Energy Co., Ltd., Zibo Polyurethane Co., Ltd. joint creation, Shandong Dong Grand Polymer Co., Ltd., Jiangsu Province Product Quality Supervision and Inspection Institute, Jiangsu Institute of Chemical Co., Ltd. The main drafters of this standard. Xingyi Hui, Chen Qian, Hanhuai Jiang, Li Jianguo, Ren Yong, Li Hongguo, Liu, Wang Yan, Wu Hao. Solar water heater with rigid polyurethane foam

1 Scope

This standard specifies the use of solar water heaters, rigid polyurethane foam requirements, test methods and inspection rules. This standard applies to the polyisocyanate, polyether polyol, a blowing agent as the main raw material, mixed injection of solar water heaters Hot water storage tank insulation layer of closed cell foam cavity foam molding prepared.

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 plastic sample conditioning and testing of the standard environment GB/T 6343-2009 foam and rubber Determination of apparent density Determination of GB/T 8810-2005 rigid foam water absorption GB/T 8811-2008 rigid foam dimensional stability test methods Measuring performance GB/T 8813-2008 rigid foam compression GB/T 10294-2008 steady insulation resistance and related properties - Guarded hot plate method GB/T 10295-2008 steady insulation resistance and related properties - Heat flow meter Determination of GB/T 10799-2008 rigid foam volume percentage of open and closed cells GB/T 21332-2008 Determination of rigid foam water vapor transmission properties

3 Requirements

Product performance should be consistent with the requirements of Table 1. Table 1 Performance Requirements Project Unit Performance All water blowing agent systems other blowing agent systems Thermal Conductivity After manufacture 7d ≤ W/(m · K) 0.026 0.023 After manufacturing 28d ≤ W/(m · K) 0.030 0.028 Compressive strength or deformation of 10% compression stress ≥ kPa 150 130 Dimensional stability (100 ± 3) ℃, 48h ≤% 1.5 - (30 ± 3) ℃, 24h ≤% 1.0 The apparent core density kg/m3 32.0 ~ 45.0 30.0 ~ 40.0 Closed porosity (volume fraction) ≥% 90 Water absorption (volume fraction) ≤% 5.0 Water vapor permeability coefficient a (38 ℃/Relative humidity 0 ~ 88%) ≤ ng/(Pa · m · s) agreed upon by both parties a general in the range ≤6.5. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 26709-2011_English be delivered?

Answer: Upon your order, we will start to translate GB/T 26709-2011_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 26709-2011_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 26709-2011_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.