GB/T 8289-2023 English PDFUS$119.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 8289-2023: Natural rubber latex concentrate - Centrifuged or creamed, ammonia-preserved types - Specifications Status: Valid GB/T 8289: Historical versions
Basic dataStandard ID: GB/T 8289-2023 (GB/T8289-2023)Description (Translated English): Natural rubber latex concentrate - Centrifuged or creamed, ammonia-preserved types - Specifications Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: B72 Classification of International Standard: 83.040.10 Word Count Estimation: 6,660 Date of Issue: 2023-09-07 Date of Implementation: 2024-04-01 Older Standard (superseded by this standard): GB/T 8289-2016 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 8289-2023: Natural rubber latex concentrate - Centrifuged or creamed, ammonia-preserved types - Specifications---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. ICS 83.040.10 CCSB72 National Standards of People's Republic of China Replace GB/T 8289-2016 Concentrated natural latex ammonia preservation centrifuged or creamed latex Specification (ISO.2004.2017,MOD) Published on 2023-09-07 2024-04-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee Table of contentsPrefaceⅠ 1 Scope 1 2 Normative reference documents 1 3 Terms and Definitions 1 4 Technical requirements 2 5 Sampling 2ForewordThis document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. This document replaces GB/T 8289-2016 "Specifications for centrifuged or creamed latex preserved with ammonia in concentrated natural rubber latex" and is consistent with GB/T 8289- Compared with.2016, in addition to structural adjustments and editorial changes, the main technical differences are as follows. a) Added the applicable limits of the document (see Chapter 1); b) The normative reference documents have been changed (see Table 1, Table 1 of the.2016 version); c) The clot content (mass fraction, maximum) is changed from 0.03% to 0.02% (see Table 1,.2016 version of Table 1); d) The residue content (mass fraction, maximum) is changed from 0.10% to 0.06% (see Table 1, Table 1 of the.2016 version). This document has been modified to adopt ISO.2004.2017 "Specifications for Ammonia Preservation of Concentrated Natural Rubber Latex Centrifuged or Creamed". The technical differences between this document and ISO.2004.2017 and their reasons are as follows. ---Added the applicable limits of the document (see Chapter 1) to comply with the requirements of GB/T 1.1-2020; ---Replaced ISO 123 (see Chapter 5) with GB/T 8290 to adapt to my country's requirements for concentrated natural rubber latex sampling; ---Replaced ISO 706 (see Table 1) with GB/T 8291 to adapt to my country's requirements for determining clot content; ---Replaced ISO 506 (see Table 1) with GB/T 8292 to adapt to my country's requirements for measuring volatile fatty acid values; ---Replaced ISO.2005 (see Table 1) with GB/T 8293 to adapt to my country's requirements for determining residue content; ---Replaced ISO 8053 (see Table 1) with GB/T 8295 to adapt to my country's requirements for measuring copper content; ---Replaced ISO 7780 (see Table 1) with GB/T 8296 to adapt to my country's requirements for the determination of manganese content; ---Replaced ISO 127 (see Table 1) with GB/T 8297 to adapt to my country's requirements for determining potassium hydroxide value; ---Replaced ISO 506 (see Table 1) with GB/T 8298 to adapt to my country's requirements for the determination of total solid content; ---Replaced ISO 126 (see Table 1) with GB/T 8299 to adapt to my country's requirements for determining dry glue content; ---Replaced ISO 125 (see Table 1) with GB/T 8300 to adapt to my country's requirements for measuring alkalinity; ---Replaced ISO 35 (see Table 1) with GB/T 8301 to adapt to my country's requirements for measuring mechanical stability. Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents. This document is proposed by China Petroleum and Chemical Industry Federation. This document is sponsored by the Natural Rubber Sub-Technical Committee of the National Technical Committee for Standardization of Rubber and Rubber Products (SAC/TC35/SC8) Return to home. This document was drafted by. Institute of Agricultural Products Processing, Chinese Academy of Tropical Agricultural Sciences, Hainan Natural Rubber Industry Group Golden Oak Co., Ltd., Guangdong Guangken Rubber Group Co., Ltd. Maoming Branch, Hainan Natural Rubber Quality Inspection Station, Yunnan Natural Rubber Industry Group Co., Ltd. company. The main drafters of this document. Lu Guang, Li Yimin, Luo Haizhen, Li Yanfei, Yang Chunliang, Li Le, Cai Yuzhu, Zhang Ronghua, Chen Min. This document was first published in 1987, revised for the first time in.2001, revised for the second time in.2008, and revised for the third time in.2016.This time it is Fourth revision. Concentrated natural latex ammonia preservation centrifuged or creamed latex Specification1 ScopeThis document specifies the specifications for concentrated natural rubber latex prepared entirely or partially with ammonia and produced by centrifugation or paste. This document applies to concentrated natural rubber latex produced by the centrifugation or creaming method of Brazilian Hevea tree latex.2 Normative reference documentsThe contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document. GB/T 8290 Latex Sampling (GB/T 8290-2021, ISO 123.2001, MOD) GB/T 8291 Determination of latex clot content (sieve residue) (GB/T 8291-2023, ISO 706.2004, MOD) GB/T 8292 Determination of volatile fatty acid value of concentrated natural rubber latex (GB/T 8292-2008, ISO 506.1992, IDT) GB/T 8293 Determination of residue content of concentrated natural latex (GB/T 8293-2019, ISO.2005.2014, MOD) GB/T 8295 Photometric method for determination of copper content in natural rubber and latex (GB/T 8295-2008, ISO 8053.1995, MOD) GB/T 8296 Determination of manganese content in natural raw rubber and latex - Sodium periodate photometry (GB/T 8296-2008, ISO 7780. 1998,MOD) GB/T 8297 Determination of potassium hydroxide (KOH) value of concentrated natural latex (GB/T 8297-2023, ISO 127.2018, MOD) GB/T 8298 Determination of total solid content of latex (GB/T 8298-2017, ISO 124.2014, MOD) GB/T 8299 Determination of dry rubber content of concentrated natural rubber latex (GB/T 8299-2008, ISO 126.2005, IDT) GB/T 8300 Determination of alkalinity of concentrated natural rubber latex (GB/T 8300-2016, ISO 125.2011, IDT) GB/T 8301 Determination of mechanical stability of concentrated natural latex (GB/T 8301-2008, ISO 35.2004, IDT)3 Terms and definitionsThe following terms and definitions apply to this document. 3.1 Concentrated natural rubber latex containing ammonia and/or other preservatives. 3.2 Centrifugally concentrated natural rubber latex (3.1) preserved only with ammonia after concentration, with an alkalinity of at least 0.60% (mass fraction). 3.3 Centrifugally concentrated natural latex (3.1) preserved with ammonia and other preservatives after concentration, with an alkalinity not greater than 0.29% (mass fraction). ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 8289-2023_English be delivered?Answer: Upon your order, we will start to translate GB/T 8289-2023_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 8289-2023_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 8289-2023_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+ countriesQuestion 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 8289-2023?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 8289-2023 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. |
