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GB/T 8660-2018 English PDF

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Q: Should I purchase the latest version GB/T 8660-2018?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 8660-2018 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$359.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 8660-2018: Solution polymerized butadiene rubber (BR) -- Evaluation procedures
Status: Valid

GB/T 8660: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 8660-2018	359	Add to Cart	4 days	Solution polymerized butadiene rubber (BR) -- Evaluation procedures	Valid
GB/T 8660-2008	439	Add to Cart	3 days	Rubber, butadiene (BR) -- Solution-polymerized types -- Evaluation procedures	Obsolete
GB/T 8660-1998	519	Add to Cart	3 days	Rubber, butadiene (BR)--Solution-polymerized types--Evaluation procedures	Obsolete
GB/T 8660-1988	RFQ	ASK	3 days	Rubber, butadiene (BR)--Solution-polymerized types--Test recipe and evaluation of vulcanization characteristics	Obsolete

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Basic data

Standard ID: GB/T 8660-2018 (GB/T8660-2018)
Description (Translated English): Solution polymerized butadiene rubber (BR) -- Evaluation procedures
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G35
Classification of International Standard: 83.060
Word Count Estimation: 18,160
Date of Issue: 2018-12-28
Date of Implementation: 2019-11-01
Older Standard (superseded by this standard): GB/T 8660-2008
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 8660-2018: Solution polymerized butadiene rubber (BR) -- Evaluation procedures

---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.
Solution polymerized butadiene rubber(BR)--Evaluation procedures ICS 83.060 G35 National Standards of People's Republic of China Replace GB/T 8660-2008 Solution polymerization type butadiene rubber (BR) evaluation method [ISO 2476.2014, Butadienerubber(BR)-Solution-polymerized types-Evaluationprocedures, MOD] Published on.2018-12-28 2019-11-01 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 8660-2008 "solution polymerization type butadiene rubber (BR) evaluation method", and GB/T 8660-2008 The main technical changes are as follows. --- Revised the normative reference document (see Chapter 2, Chapter 2 of the.2008 edition); --- Modified the mixing formula of oil-filled rubber (see Table 1, Table 1 of the.2008 edition); ---Modified the contents of footnote c in Table 1 (see Table 1, Table 1 of the.2008 edition); --- Added the expression "Recommended to use the mixer mixing method" (see 5.2.2.1); --- Increased one-step mixing of the mixer (see 5.2.2.2); --- Revised the requirements of the test report (see Chapter 10, Chapter 10 of the.2008 edition). This standard uses the redrafting method to modify the ISO 2476.2014 "butadiene rubber (BR) solution polymerization type evaluation method." The technical differences between this standard and ISO 2476.2014 and their reasons are as follows. ---About the normative reference documents, this standard has made technical adjustments to adapt to China's technical conditions, adjustments The situation is reflected in Chapter 2, “Regulatory Citations”, and the specific adjustments are as follows. ● Replace ISO 37 with GB/T 528 equivalent to the international standard; ● Replace ISO 289-1 with GB/T 1232.1 equivalent to the international standard; ● Replace ISO 23529 with GB/T 2941 equivalent to the international standard; ● Replaced ISO 247.2006 with GB/T 4498.1 modified to adopt international standards; ● Replaced ISO 2393 with GB/T 6038, which modified the international standard; ● Replace ISO 3417 with GB/T 9869 equivalent to the international standard; ● Replace ISO 1795 with GB/T 15340 equivalent to the international standard; ● Replace ISO 248-1 with GB/T 24131.1 modified to adopt international standards; ● Replace ISO 248-2 with GB/T 24131.2 modified to international standards; ● Replace ISO 6502 with GB/T 25268 equivalent to the international standard; ● Added GB/T 21184. --- Modified the footnotes in Table 1 to meet user needs. This standard has made the following editorial changes. --- Change the standard name to "solution polymerization type butadiene rubber (BR) evaluation method". 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 is mainly drafted by. China Petroleum & Chemical Corporation Beijing Yanshan Branch, China National Petroleum Corporation Petrochemical Research Institute. The main drafters of this standard. Peng Jinrui, Cui Guanghong, Luo Xianhui, Li Xiaoyin, Bi Wenxin, Yu Hongyu. The previous versions of the standards replaced by this standard are. ---GB/T 8660-1988, GB/T 8660-1998, GB/T 8660-2008. Solution polymerization type butadiene rubber (BR) evaluation method 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 physical and chemical test methods for solution-polymerized butadiene rubber (BR) raw rubber; Standard materials, standard test formulations, equipment, methods of operation and evaluation of diene rubber (BR) [including oil-filled (OEBR)] vulcanization characteristics A method of tensile stress-strain properties of a vulcanized rubber. This standard applies to the evaluation of solution polymerization type butadiene rubber (BR).

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 528 Determination of tensile stress-strain properties of vulcanized rubber or thermoplastic rubber (GB/T 528-2009, ISO 37.2005, IDT) GB/T 1232.1 Determination of non-vulcanized rubber - Part 1 . Determination of Mooney viscosity (GB/T 1232.1-2016, ISO 289-1..2014, IDT) GB/T 2941 Rubber physical test method General procedure for preparation and adjustment of specimens (GB/T 2941-2006, ISO 23529.2004, IDT) GB/T 4498.1 Determination of rubber ash - Part 1 . Muffle furnace method (GB/T 4498.1-2013, ISO 247.2006, MOD) GB/T 6038 rubber test compound compounding, mixing and vulcanization equipment and operating procedures (GB/T 6038-2006, ISO 2393. 1994, MOD) GB/T 9869 Determination of vulcanization properties of rubber compounds - Disk oscillating s. - GB/T 9869-2014, ISO 3417. 2008, IDT) GB/T 15340 Natural and synthetic raw rubber sampling and its sample preparation method (GB/T 15340-2008, ISO 1795.2000, IDT) GB/T 21184 rubber compounding agent sulfenamide accelerator test method (GB/T 21184-2007, ISO 11235.1999, NEQ) GB/T 24131.1 Determination of volatile content of raw rubber - Part 1 . Hot roll method and oven method (GB/T 24131.1-2018, ISO 248-1.2011, MOD) GB/T 24131.2 Determination of volatile content of raw rubber - Part 2. Automatic analyzer heat loss with infrared drying unit Heavy method (GB/T 24131.2-2017, ISO 248-2.2012, MOD) GB/T 25268 Rubber Vulcanizer User Guide (GB/T 25268-2010, ISO 6502.1999, IDT)

3 sampling and sample preparation

3.1 Sampling about 1.5kg according to the provisions of GB/T 15340. 3.2 Prepare the sample according to the provisions of GB/T 15340. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 8660-2018_English be delivered?

Answer: Upon your order, we will start to translate GB/T 8660-2018_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 8660-2018_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 8660-2018_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 8660-2018?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 8660-2018 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.