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GB/T 30918-2022 English PDF (GB/T 30918-2014)

GB/T 30918-2022_English: PDF (GB/T30918-2022)
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GB/T 30918-2022English359 Add to Cart 4 days [Need to translate] Non-oil-extended solution polymerized isoprene rubber (IR) -- Evaluation procedures Valid GB/T 30918-2022
GB/T 30918-2014English639 Add to Cart 4 days [Need to translate] Non-oil-extended, solution-polymerized isoprene rubber (IR) -- Evaluation procedure Obsolete GB/T 30918-2014


BASIC DATA
Standard ID GB/T 30918-2022 (GB/T30918-2022)
Description (Translated English) Non-oil-extended solution polymerized isoprene rubber (IR) -- Evaluation procedures
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G35
Classification of International Standard 83.060
Word Count Estimation 18,130
Date of Issue 2022-12-30
Date of Implementation 2023-07-01
Older Standard (superseded by this standard) GB/T 30918-2014
Drafting Organization China National Petroleum Corporation Petrochemical Research Institute, Sailun Group Co., Ltd., China National Petroleum Corporation Petrochemical Research Institute Co., Ltd., Guizhou Tire Co., Ltd., Fushun Ecosi New Material Co., Ltd.
Administrative Organization National Rubber and Rubber Products Standardization Technical Committee Synthetic Rubber Sub-Technical Committee (SAC/TC 35/SC 6)
Proposing organization State Administration for Market Regulation, National Standardization Management Committee

BASIC DATA
Standard ID GB/T 30918-2014 (GB/T30918-2014)
Description (Translated English) Non-oil-extended, solution-polymerized isoprene rubber(IR). Evaluation procedure
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G35
Classification of International Standard 83.040
Word Count Estimation 16,140
Date of Issue 2014/7/8
Date of Implementation 2014/12/1
Quoted Standard GB/T 528; GB/T 1232.1; GB/T 2941; GB/T 4498; GB/T 6038; GB/T 9869; GB/T 15340; GB/T 16584; GB/T 19187; GB/T 24131
Adopted Standard ISO 2303-2011, MOD
Drafting Organization China Oil Co., Ltd. Petrochemical Research Institute
Administrative Organization National Rubber and rubber products Standardization Technical Committee Technical Committee synthetic rubber points
Regulation (derived from) 2014 National Standards Bulletin No. 18
Proposing organization China Petrochemical Corporation
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the general solution of the non-oil-filled polymer isoprene rubber (IR): - Physical and chemical raw rubber test methods; - the standard material used in the evaluation of vulcanization characteristics, standard test formulations,


GB/T 30918-2022 ICS 83.060 CCSG35 National Standards of People's Republic of China Replacing GB/T 30918-2014 Non-oil-extended solution polymerized isoprene rubber (IR) Evaluation method Evaluation procedures [ISO 2303.2019, Isoprene rubber (IR)-Non-oil-extended, solution- Posted on 2022-12-30 2023-07-01 implementation State Administration for Market Regulation Released by the National Standardization Management Committee table of contents Preface I 1 Range 1 2 Normative references 1 3 Terms and Definitions 2 4 Sampling and sample preparation 2 5 Physical and chemical tests of raw rubber 2 5.1 Mooney viscosity 2 5.2 Volatile matter 2 5.3 Ash content 2 6 Preparation of rubber compound samples for evaluation 2 6.1 Standard test formula 2 6.2 Procedure 3 6.2.1 Equipment and procedures 3 6.2.2 Mixing procedure of open mill 3 6.2.3 Laboratory internal mixer (LIM) mixing procedure 4 7 Evaluation of vulcanization characteristics 6 7.1 Evaluation of disc oscillating vulcanizer 6 7.2 Evaluation of rotorless vulcanizer 6 8 Tensile stress-strain performance evaluation of vulcanized rubber 7 9 Precision 7 10 Test report 7 Appendix A (Informative) Precision of Vulcanization Characteristics of Open Mixer and Laboratory Mixer 8 Appendix B (Informative) Natural Rubber Precision 10 Appendix C (informative) Precision specified in ASTM D340312 Reference 14 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 for Standardization Documents" drafting. This document replaces GB/T 30918-2014 "Evaluation method for non-oil-extended solution polymerized isoprene rubber (IR)", and Compared with GB/T 30918-2014, except for structural adjustment and editorial changes, the main technical changes are as follows. --- Added "terms and definitions" (see Chapter 3); --- Increased the determination method of volatile matter (see 5.2); --- Increased the determination method of ash (see 5.3); --- Changed the mixing procedure of the laboratory internal mixer (LIM) as a note (see 6.2.3, 5.2.3 of the.2014 edition); ---Changed the evaluation method of vulcanization characteristics (see Chapter 7, Chapter 6 of the.2014 edition); --- Changed the symbol of the vulcanization characteristic parameters measured by the rotorless vulcanizer (see 7.2, 6.2 of the.2014 edition). This document is modified to adopt ISO 2303.2019 "Isoprene Rubber (IR) Non-oil-extended Solution Polymerization Evaluation Method". The technical differences between this document and ISO 2303.2019 and their reasons are as follows. ---Regarding normative reference documents, modify ISO 6502-1 to ISO 6502-3, and other normative reference documents are related to international standards Chinese file replacement for consistency correspondence (see Chapter 2); --- Increased the normative reference to GB/T 9881 (see Chapter 3), to facilitate the search for related terms; --- Increase the normative reference to GB/T 4498.2 (see 5.3) to meet the needs of users; --- Changed the referenced documents (see 7.2) for the evaluation of vulcanization characteristics by the rotorless vulcanizer to meet the needs of users; --- Changed the symbol of the vulcanization characteristic parameters measured by the rotorless vulcanizer (see 7.2, Chapter 10). The following editorial changes have been made to this document. ---Deleted the relevant content of "Double Conical Blender and Waring Agitator" (see the note to 6.2.3.2 in ISO 2303.2019); --- Increased the average value (see Table A.1 and Table A.2); --- Adjusted the order of the parameters in the Appendix B (informative) table (see Table B.1 to Table B.4); --- Added footnotes to the table in Appendix B (informative) (see Table B.2); --- Added Appendix C (informative) "Precision of ASTMD3403". Please note that some contents of this document may refer to patents. The issuing authority of this document does not assume the right to identify patents. This document is proposed by China Petroleum and Chemical Industry Federation. This document is sponsored by the Synthetic Rubber Sub-Technical Committee of the National Rubber and Rubber Products Standardization Technical Committee (SAC/TC35/SC6) Focus on. This document is drafted by. China National Petroleum Corporation Petrochemical Research Institute, Sailun Group Co., Ltd., Sinopec Oil Group Petrochemical Research Institute Co., Ltd., Guizhou Tire Co., Ltd., Fushun IKOS New Material Co., Ltd. The main drafters of this document. Chen Heping, Zhao Huihui, Wang Shining, Li Xiaoyin, Liu Yunheng, Chen Haihua, Jia Huiqing, Zhai Yueqin, Wu Yi, Liu Suibo, Wang Zhen, Song Jierui, Li Yuntao. This document was first published in.2014, and this is the first revision. Non-oil-extended solution polymerized isoprene rubber (IR) Evaluation method Caution --- Personnel using this document should have practical experience in formal laboratory work. This document does not address all possible security issues question. It is the user's responsibility to take appropriate safety and health measures and ensure compliance with the conditions stipulated in the relevant national laws and regulations. 1 Scope This document describes general non-oil-extended solution-polymerized isoprene rubber (IR). ---Physical and chemical test methods for raw rubber; ---Standard reference materials, standard test recipes, equipment and operating procedures used to evaluate vulcanization characteristics. This document applies to the evaluation of non-oil-extended solution polymerized isoprene rubber (IR). 2 Normative references The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references For documents, only the version corresponding to the 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-strain properties of vulcanized rubber or thermoplastic rubber (GB/T 528-2009, ISO 37. 2005, IDT) GB/T 1232.1 Determination of unvulcanized rubber with a disc shear viscometer - Part 1.Determination of Mooney viscosity (GB/T 1232.1-2016, ISO 289-1.2014, IDT) GB/T 2941 Rubber Physical Test Methods Specimen Preparation and Adjustment General Procedures (GB/T 2941-2006, ISO 23529. 2004, IDT) GB/T 4498.1 Determination of Rubber Ash Content Part 1.Muffle Furnace Method (GB/T 4498.1-2013, ISO 247.2006, MOD) GB/T 4498.2 Determination of Rubber Ash Content Part 2.Thermogravimetric Analysis GB/T 6038 Rubber test compound batching, mixing and vulcanization equipment and operating procedures (GB/T 6038-2006, ISO 2393. 1994, MOD) GB/T 9881 Rubber Terminology GB/T 15340 Sampling of natural and synthetic raw rubber and its sample preparation method (GB/T 15340-2008, ISO 1795.2000, IDT) 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.Heating loss of automatic analyzer with infrared drying unit Heavy method (GB/T 24131.2-2017, ISO 248-2.2012, MOD) ISO 6502-2 Measurement of vulcanization properties of rubber using a vulcanometer Part 2.Disk oscillation vulcanometer method (Rubber-Meas- ISO 6502-3 Measurement of vulcanization properties of rubber using a vulcanometer Part 3.Rotorless vulcanometer method (Rubber- ......


GB/T 30918-2014 Non-oil-extended, solution-polymerized isoprene rubber (IR). Evaluation procedure ICS 83.040 G35 National Standards of People's Republic of China Non-oil-extended polymer solution isoprene rubber (IR) Evaluation Method Non-oil-extended, solution-polymerizedisoprenerubber (IR) - (ISO 2303.2011, Isoprenerubber (IR) - Non-oil-extended, solution-polymerized-Evaluationprocedure, MOD) Issued on. 2014-07-08 2014-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released Foreword This standard was drafted in accordance with GB/T 1.1-2009 given rules. This revised standard adopts ISO 2303.2011 "isoprene rubber (IR) non-oil-filled, solution polymerization rubber Evaluation Method." This standard and ISO 2303.2011 technical differences are as follows. --- On normative references, this standard has been adjusted technical differences, in order to adapt our technical conditions, the adjusted situation Focus is reflected in the status of Chapter 2, "Normative references", the specific adjustments are as follows. ● equivalents adoption of international standards GB/T 528 instead of ISO 37; ● with an international standard is not equivalent to the GB/T 1232.1 replaces ISO 289-1; ● equivalents adoption of international standards GB/T 2941 instead of ISO 23529; ● Modify with international standards of GB/T 4498 instead of ISO 247; ● Modify with international standards of GB/T 6038 instead of ISO 2393; ● equivalents adoption of international standards GB/T 9869 instead of ISO 3417; ● equivalents adoption of international standards GB/T 15340 replaces ISO 1795; ● Modify with international standards of GB/T 16584 replaces ISO 6502; ● Increase GB/T 19187 Rubber, raw synthetic sampling procedures; ● equivalents adoption of international standards GB/T 24131 replaces ISO 248. --- Edit the title, "a period of mixing process" as "mini mixer mixing procedures", rated mini mixer mixing volume and amount of formula, And the mixing process by the "exemplary" to "provisions" (see 5.2.3.2). --- Nominal increase laboratory mixer mixing volume and amount of formula (see 5.2.3.3.1). --- Modify the mixing process for the two provisions (see 5.2.3.3). --- Modify the program open mill mixing two final kneading test formula is 3 times (see 5.2.3.3.3.2). --- Inclusion of information in Appendix C "ASTMD3403 specified precision." The standard proposed by China Petroleum and Chemical Corporation. The sub-standard rubber Technical Committee (SAC/TC35/SC6) and by the National Standardization Technical Committee rubber products synthetic rubber. This standard is drafted by. China National Petroleum Corp. Oil Research Institute of Chemical Industry. Participated in the drafting of this Standard. China PetroChina Lanzhou Petrochemical Company, Guizhou Tyre Co., Ltd., Maoming Lu Hua Chemical Co. Secretary, Qingdao Yi Kesi New Materials Co., Ltd. The main drafters of this standard. Zhaiyue Qin, Wu Yi, Wang Chunlong, with Chen Ping, Liu Bao, Wang Hongbin, Yangwei Yan, Feng Ping, Cui Guangjun, Wang on behalf of the strong. Non-oil-extended polymer solution isoprene rubber (IR) Evaluation Method 1 Scope This standard specifies the general solution of the non-oil-filled polymer isoprene rubber (IR). --- Physical and chemical test methods of raw rubber; Standard materials --- evaluate the cure characteristics used, standard test formulations, equipment and operating procedures. 2 Normative references The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 528 vulcanized rubber or thermoplastic rubber tensile stress strain properties (GB/T 528-2009, ISO 37.2005, IDT) GB/T 1232.1 unvulcanized rubber disc shear viscometer - Part 1. Determination of Mooney viscosity (GB/T 1232. 1-2000, neqISO 289-1.1994) GB/T 2941 rubber physical test method for preparing and conditioning General Procedure (GB/T 2941-2006, ISO 23529.2004, IDT) GB/T 4498 Rubber Determination of ash (GB/T 4498-1997, eqv ISO 247.1990) GB/T 6038 Rubber test feed ingredients, mixing and vulcanization - Equipment and procedures (GB/T 6038-2006, ISO 2393. 1994, MOD) GB/T 9869 Determination of rubber vulcanization characteristics (oscillating disc rheometer method) (GB/T 9869-1997, idt ISO 3417. 1991) GB/T 15340 natural, synthetic rubber raw sampling and sample preparation method (GB/T 15340-2008, ISO 1795.2000, IDT) GB/T 16584 Determination of rubber vulcanization characteristics with no rotor rheometer (GB/T 16584-1996, eqv ISO 6502.1991) GB/T 19187 Rubber, raw synthetic sampling program GB/T 24131 Determination of volatile raw rubber content (GB/T 24131-2009, ISO 248.2005, MOD) 3 sampling, and sample preparation 3.1 Sampling about 1.5kg in accordance with GB/T 19187 regulations. 3.2 according to GB/T 15340 regulations prepared sample. Physical and chemical tests of raw rubber 4 4.1 Mooney viscosity According to GB/T 1232.1 regulations Mooney viscosity was measured, using the sample preparation GB/T 15340 stipulated but roll method. The measurement results expressed in ML (1 4) 100 ℃. ......

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