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GB/T 3778-2021: Carbon black for use in rubber products
Status: Valid GB/T 3778: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 3778-2021 | English | 379 |
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Carbon black for use in rubber products
| Valid |
GB/T 3778-2021
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| GB 3778-2011 | English | 719 |
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[GB/T 3778-2011] Carbon black for use in rubber products
| Obsolete |
GB 3778-2011
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| GB 3778-2003 | English | 559 |
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Carbon black for use in rubber products
| Obsolete |
GB 3778-2003
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| GB 3778-1994 | English | 639 |
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Carbon black for use in rubber industry
| Obsolete |
GB 3778-1994
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| GB 3778.1-1989 | English | RFQ |
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Carbon black for use in rubber industry - Specification limits
| Obsolete |
GB 3778.1-1989
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| GB 3778-1989 | English | RFQ |
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Carbon black for use in rubber industry--Specification limits
| Obsolete |
GB 3778-1989
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PDF similar to GB/T 3778-2021
Basic data | Standard 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
Foreword
This 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 Scope
This 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 references
The 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 abrasion
3 Terms and definitions
The 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.
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