GB/T 3778-2021 English PDFUS$379.00 ยท In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 3778-2021: Carbon black for use in rubber products Status: Valid GB/T 3778: Historical versions
Basic dataStandard ID: GB/T 3778-2021 (GB/T3778-2021)Description (Translated English): Carbon black for use in rubber products Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: G49 Word Count Estimation: 19,194 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 3778-2021: Carbon black for use in rubber products---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.Carbon black for use in rubber products ICS 83.040.20 CCSG49 National Standards of People's Republic of China Replace GB/T 3778-2011 Carbon black for rubber Released on 2021-10-11 2022-05-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee ForewordThis document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. This document replaces GB/T 3778-2011 "Carbon Black for Rubber". Compared with GB/T 3778-2011, except for structural adjustments and editorial changes In addition, the main technical changes are as follows. a) Changed the scope of application (see Chapter 1, Chapter 1 of the.2011 edition); b) The element "Terms and Definitions" has been added (see Chapter 3); c) Deleted the "series classification" (see 3.2 in the.2011 edition); d) The characteristic index of iodine absorption value of some varieties has been changed (see Table 2, Table 2 of the.2011 edition); e) The external surface area characteristic index "106~120" of N120 is changed to "113~127" (see Table 2,.2011 edition of Table 2); f) The oil absorption characteristic index "43" of N990 is changed to "38" (see Table 2, Table 2 of the.2011 edition); g) The characteristic indexes of three varieties of "N750, granular spray carbon black, and oil-rich natural gas semi-reinforcing carbon black" have been added (see Table 2); h) The note in Table 2 has been changed, and relevant information about the iodine absorption value test method has been added (see Table 2, Table 2 in the.2011 edition); i) Added "Quality Judgment for 300% Constant Tensile Stress" (see 5.4); j) Changed the pH value of spray carbon black from "8.0~10.0" to "7.0~10.0" [see 5.8d), 4.5 in the.2011 edition]; k) Deleted the specific provisions of the "300% constant tensile stress" test method (see 5.2 in the.2011 edition), and only retained the test method (see 6.11); l) Added "reference carbon black IRC5 The previous versions of this document and the documents replaced are as follows. ---First published in 1983 as GB 3778-1983, first revision in 1989, second revision in.1994, third time in.2003 Revision, the fourth revision in.2011; ---This is the fifth revision. Carbon black for rubber Warning---The personnel using this document should have practical experience in formal laboratory work. This document does not indicate 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 ScopeThis document specifies the variety naming, characteristic requirements, test methods, inspection and determination rules, sampling, packaging, marking, and transportation of carbon black for rubber. And storage. This document is applicable to rubber carbon black manufacturers, tires and other rubber industries, and independent quality inspection agencies.2 Normative referencesThe contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to This document. GB/T 528 Determination of tensile stress and strain properties of vulcanized rubber or thermoplastic rubber GB/T 3780.1 Carbon black Part 1.Test method for iodine absorption value GB/T 3780.2 Carbon black Part 2.Determination of oil absorption value GB/T 3780.4 Carbon Black Part 4.Determination of Oil Absorption Value of Compressed Samples GB/T 3780.5 Carbon black Part 5.Determination of specific surface area CTAB method GB/T 3780.6 Carbon black Part 6.Determination of color strength GB/T 3780.7 Carbon Black Part 7.Determination of pH GB/T 3780.8 Carbon black Part 8.Determination of heating loss GB/T 3780.10 Carbon Black Part 10.Determination of Ash GB/T 3780.12 Carbon Black Part 12.Inspection of Impurities GB/T 3780.18 Carbon black Part 18.Identification method in natural rubber (NR) GB/T 3780.21 Carbon black Part 21.Determination of residue on sieve water washing method GB/T 7767 Carbon black term GB/T 10722 Determination of total surface area and external surface area of carbon black Nitrogen adsorption method GB/T 14853.1 Granulated carbon black for rubber Part 1.Determination of pouring density GB/T 14853.2 Granulated carbon black for rubber Part 2.Determination of fine powder content and particle abrasion3 Terms and definitionsThe following terms and definitions defined in GB/T 7767 apply to this document. 3.1 300% tensile stress at 300% elongation S300 According to the method specified in GB/T 528, the test length of the sample is stretched to the stress required for 300% elongation. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 3778-2021_English be delivered?Answer: Upon your order, we will start to translate GB/T 3778-2021_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 3778-2021_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 3778-2021_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 3778-2021?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 3778-2021 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. |
