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GB/T 39699-2020 English PDF

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US$324.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 39699-2020: Rubber. Identification of polymers. Pyrolytic gas-chromatographic method using mass-spectrometric detection
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 39699-2020	324	Add to Cart	3 days	Rubber. Identification of polymers. Pyrolytic gas-chromatographic method using mass-spectrometric detection	Valid

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Basic data

Standard ID: GB/T 39699-2020 (GB/T39699-2020)
Description (Translated English): Rubber. Identification of polymers. Pyrolytic gas-chromatographic method using mass-spectrometric detection
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G40
Classification of International Standard: 83.060
Word Count Estimation: 17,184
Date of Issue: 2020-12-14
Date of Implementation: 2021-11-01
Quoted Standard: ISO 1407; ISO 1629
Adopted Standard: ISO 17257-2020, IDT
Regulation (derived from): National Standard Announcement No. 28 of 2020
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration
Summary: This standard specifies methods for identifying rubber types by analyzing rubber cracked products by pyrolysis gas chromatography/mass spectrometry. This standard applies to raw rubber, vulcanized rubber or unvulcanized rubber. These rubbers can be a single rubber or a combination of two or more rubbers. Certain types of rubber with a content of less than 10% in rubber cannot be detected and identified using this standard. The types of rubber identified in this standard are not limited to the rubbers given in Chapter 4.

GB/T 39699-2020: Rubber. Identification of polymers. Pyrolytic gas-chromatographic method using mass-spectrometric detection

---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.
(Rubber, polymer identification, pyrolysis gas chromatography-mass spectrometry) ICS 83:060 G40 National Standards of People's Republic of China Identification of rubber polymers by pyrolysis gas chromatography-mass spectrometry (ISO 17257:2020, IDT) 2020-12-14 release 2021-11-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Foreword

This standard is in accordance with GB/T Drafting of the rules given in 1:1-2009: The translation method used in this standard is equivalent to ISO 17257:2020 "Identification of Rubber Polymers by Pyrolysis Gas Chromatography-Mass Spectrometry": The Chinese standards that have a consistent correspondence with the international standards cited in this standard are as follows: ---GB/T 3516-2006 Determination of rubber solvent extract (ISO 1407:1992, MOD); ---GB/T 5576-1997 Rubber and latex nomenclature (ISO 1629:1995, IDT): This standard has made the following editorial changes: ---Added warning words: --- Modify the format of the table in the appendix: This standard was proposed by the China Petroleum and Chemical Industry Federation: This standard is organized by the National Rubber and Rubber Products Standardization Technical Committee (SAC/TC 35) Concentration: Drafting organizations of this standard: Yiweiyi Rubber Research Institute Co:, Ltd:, Wanli Tire Co:, Ltd:, Anhui Jiatong Passenger Radial Tire Co:, Ltd:, Beijing Physical and Chemical Analysis and Testing Center, Guangzhou Synthetic Materials Research Institute Co:, Ltd:, Double Coin Group Shanghai Tire Research Institute Co:, Ltd: Company, Weihai Junle Tire Co:, Ltd:, Double Star Group Co:, Ltd:, Shandong Huasheng Rubber Co:, Ltd:, Sailun Group Co:, Ltd:, Fengshen Tire Co:, Ltd:, Beijing Rubber Research Institute Rubber Tire Testing Technology Service Co:, Ltd:, Beijing Rubber Industry Research and Design Institute Co:, Ltd: the company: The main drafters of this standard: Zhang Qingzhi, Liu Aiqin, Han Xiao, Hao Long, Li Li, Wu Haibin, Hu Guanghui, Wei Xiaoxiao, Tan Hongyang, Dong Wenwu, Liu Qiang, Wang Jianfeng, Peng Shousong, Guo Fei, Xu Kai, Chen Jianjun, Zhou Tianming, Liu Qingqing, Zheng Ningjuan, Cang Feifei, Lu Jiaping, Ding Xiaoying: 17257:2020 Identification of rubber polymers by pyrolysis gas chromatography-mass spectrometry Warning---Personnel using this standard should have practical experience in formal laboratory work: This section does not point out all possible safety issues question: The user is responsible for taking appropriate safety and health measures and ensuring compliance with the conditions stipulated by relevant national laws and regulations:

1 Scope

This standard specifies methods for identifying rubber types by analyzing rubber cracked products by pyrolysis gas chromatography/mass spectrometry: This standard applies to raw rubber, vulcanized rubber or unvulcanized rubber: These rubbers can be a single rubber or two or more rubbers: Rubber and rubber: This standard cannot be used to detect and identify certain types of rubber with a content of less than 10% in rubber: The types of rubber identified in this standard are not limited to the rubbers given in Chapter 4:

2 Normative references

The following documents are indispensable for the application of this document: For dated reference documents, only the dated version applies to this article Pieces: For undated references, the latest version (including all amendments) applies to this document: ISO 1407 Determination of rubber solvent extract (Rubber-Determination of solvent extract) ISO 1629 Rubber and latex nomenclature (Rubber and latices-Nomenclature)

3 Terms and definitions

No terms and definitions are listed in this document: The website of the terminology database used in the standardization work maintained by ISO and IEC is as follows: ---ISO online browsing platform: https://www:iso:org/obp; ---IEC Electrical Engineering Encyclopedia: http://www:electropedia:org/:

4 Rubber classification

According to ISO 1629 is a grouping of rubber, but not limited to the following groups of rubber: 4:1 Group M 4:1:1 Chlorinated polyethylene (CM): 4:1:2 Chlorosulfonated polyethylene (CSM): 4:1:3 Ethylene-propylene copolymer (EPM) and ethylene-propylene-diene terpolymer (EPDM): This standard cannot distinguish between these two types of rubber: 4:1:4 Fluorine rubber (FKM) with fluorine, perfluoroalkyl or perfluoroalkoxy substituents in the polymer chain: This standard cannot distinguish between these rubbers: 4:2 Group O 4:2:1 Polyepichlorohydrin (CO), epichlorohydrin-ethylene oxide binary copolymer (ECO), epichlorohydrin-ethylene oxide-alkyl condensation Glyceryl ether terpolymer (GECO): 17257:2020 ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 39699-2020_English be delivered?

Answer: Upon your order, we will start to translate GB/T 39699-2020_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 39699-2020_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 39699-2020_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.