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GB/T 21841-2019 English PDF

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Q: Should I purchase the latest version GB/T 21841-2019?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 21841-2019 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$199.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 21841-2019: Rubber antioxidant - N-1,3-dimethylbutyl-N′-phenyl-p-phenylenediamine (6PPD)
Status: Valid

GB/T 21841: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 21841-2019	199	Add to Cart	3 days	Rubber antioxidant - N-1,3-dimethylbutyl-N′-phenyl-p-phenylenediamine (6PPD)	Valid
GB/T 21841-2008	279	Add to Cart	3 days	Antioxidant 6PPD	Obsolete

Similar standards

GB/T 40409 GB/T 8826 GB/T 31332 GB/T 21840

Basic data

Standard ID: GB/T 21841-2019 (GB/T21841-2019)
Description (Translated English): Rubber antioxidant - N-1,3-dimethylbutyl-N��-phenyl-p-phenylenediamine (6PPD)
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G71
Classification of International Standard: 83.040.20
Word Count Estimation: 10,192
Date of Issue: 2019-08-30
Date of Implementation: 2020-07-01
Older Standard (superseded by this standard): GB/T 21841-2008
Quoted Standard: GB/T 191-2008; GB/T 6679; GB/T 6682-2008; GB/T 8170-2008; GB/T 9722-2006; GB/T 11409-2008
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration
Summary: This standard specifies the technical requirements, test methods, inspection rules, signs, packaging, Transport and storage. This standard applies to the rubber antioxidant 6PPD prepared by the condensation reduction of 4-aminodiphenylamine and methyl isobutyl ketone in the presence of a catalyst.

GB/T 21841-2019: Rubber antioxidant - N-1,3-dimethylbutyl-N′-phenyl-p-phenylenediamine (6PPD)

---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 antioxidant - N-1, 3-dimethylbutyl-N'-phenyl-p-phenylenediamine (6PPD) ICS 83.040.20 G71 National Standards of People's Republic of China Replace GB/T 21841-2008 Rubber anti-aging agent N-1,3-dimethylbutyl-N'-phenyl P-phenylenediamine (6PPD) Rubberantioxidant-N-1,3-dimethylbutyl-N'-phenyl-p-phenylenediamine (6PPD) Published on.2019-08-30 2020-07-01 implementation State market supervision and administration China National Standardization Administration issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 21841-2008 "Anti-aging agent 6PPD". Compared with GB/T 21841-2008, in addition to editorial changes, the main The technical content changes are as follows. --- Added CASRN (see Chapter 1); --- Removed the technical grades in the technical requirements, modified the technical indicators of purity (see Table 1, Table 1 of the.2008 edition); --- Added an informative appendix on safety (see Appendix A). This standard was proposed by the China Petroleum and Chemical Industry Federation. This standard is under the jurisdiction of the National Rubber and Rubber Products Standardization Technical Committee (SAC/TC35). This standard was drafted. Sinopec Group Nanjing Chemical Industry Co., Ltd., Shengao Chemical Technology Co., Ltd., Shandong Shangyi Chemical Co., Ltd. Limited company, Hebei Kemai New Material Technology Co., Ltd., Shandong Shengao Chemical Technology Co., Ltd. The main drafters of this standard. Lu Yumei, Du Jianguo, Li Wei, Li Fengwei. This standard was first published in.2008 and this is the first revision. Rubber anti-aging agent N-1,3-dimethylbutyl-N'-phenyl P-phenylenediamine (6PPD) Caution - Personnel using this standard should have practical experience in formal laboratory work. This standard does not indicate all possible security questions. question. It is the responsibility of the user to take appropriate safety and health measures and to ensure compliance with the conditions set by the relevant national regulations.

1 Scope

This standard specifies the technical requirements of the rubber antioxidant N-1,3-dimethylbutyl-N'-phenyl-p-phenylenediamine (referred to as rubber anti-aging agent 6PPD). Requirements, test methods, inspection rules, marking, packaging, transportation and storage. This standard applies to rubber anti-aging prepared by condensation reduction of 4-aminodiphenylamine and methyl isobutyl ketone in the presence of a catalyst. Agent 6PPD. Chemical name. N-1,3-dimethylbutyl-N'-phenyl-p-phenylenediamine Molecular formula. C18H24N2 Structure. Relative molecular mass. 268.40 (according to.2016 international relative atomic mass) CASRN. 793-24-8

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 191-2008 packaging storage and transportation icon GB/T 6679 Solid Chemical Products Sampling General GB/T 6682-2008 Analytical laboratory water specifications and test methods GB/T 8170-2008 Numerical rounding rules and the representation and determination of limit values GB/T 9722-2006 General Rules for Gas Chromatography of Chemical Reagents GB/T 11409-2008 Rubber anti-aging agent, vulcanization accelerator test method

3 Technical requirements

The technical requirements for rubber anti-aging agent 6PPD should meet the requirements of Table 1. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 21841-2019_English be delivered?

Answer: Upon your order, we will start to translate GB/T 21841-2019_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 21841-2019_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 21841-2019_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 21841-2019?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 21841-2019 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.