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GB/T 30923-2022: Plastics - Polypropylene(PP)materials for melt blown
Status: Valid GB/T 30923: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 30923-2022 | English | 359 |
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Plastics - Polypropylene(PP)materials for melt blown
| Valid |
GB/T 30923-2022
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| GB/T 30923-2014 | English | 479 |
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Plastics -- Polypropylene materials for melt-blown
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GB/T 30923-2014
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PDF similar to GB/T 30923-2022
Basic data | Standard ID | GB/T 30923-2022 (GB/T30923-2022) | | Description (Translated English) | Plastics - Polypropylene(PP)materials for melt blown | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G32 | | Classification of International Standard | 83.080.20 | | Word Count Estimation | 18,148 | | Date of Issue | 2022-12-30 | | Date of Implementation | 2023-07-01 | | Older Standard (superseded by this standard) | GB/T 30923-2014 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 30923-2022: Plastics - Polypropylene(PP)materials for melt blown---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 83.080.20
CCSG32
National Standards of People's Republic of China
Replacing GB/T 30923-2014
Plastic polypropylene (PP) meltblown special material
Posted on 2022-12-30
2023-07-01 implementation
State Administration for Market Regulation
Released 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 for Standardization Documents"
drafting.
This document replaces GB/T 30923-2014 "Special Materials for Plastic Polypropylene (PP) Meltblown". Compared with GB/T 30923-2014, except
Apart from structural adjustments and editorial changes, the main technical changes are as follows.
a) Added "2,5-dimethyl-2,5-bis(tert-butylperoxy)hexane (DBPH)" and "Using propylene as raw material, hydrogenated homopolymerization
"Powdered polypropylene melt-blown special material prepared with additives and additives" (see Chapter 1, Chapter 1 of the.2014 edition);
b) The classification and naming have been changed, and character group 2 has been added. Appearance and shape, code "D" for powder, and code "G" for granular;
The original character group 2 is changed to character group 3; the original character group 3 is changed to character group 4, and the characteristic performance is changed from "melt mass flow rate"
Change to "melt volume flow rate"; add character group 5.use the code "Y" to indicate special materials for medical and sanitary materials; add
Classified and named examples 2 and 3 (see Chapter 4, Chapter 3 of the.2014 edition);
c) Table 2 adds the requirements for black spots and colored particles, total volatile organic compound content (calculated as carbon) and odor of pellets; change
The classification and naming were added, six new grades such as "PP-H, Y, 2400" were added, and the original grade "PPH-1300" was deleted; "melt
The "mass flow rate" index was changed to the corresponding "melt volume flow rate" index (see 6.2, 5.2 of the.2014 edition);
d) Added Table 3 "Requirements for Hydrogen Modulation Polypropylene Meltblown Special Materials" (see 6.2);
e) Added the test methods of "apparent density" and "number of variegated particles" (see 7.4, 7.5);
f) Added the test conditions for measuring MVR with standard dies and the method for measuring MVR with half dies (see 7.6);
g) Added the test methods of "total volatile organic compound content" and "odor" (see 7.11, 7.12);
h) Changed "di-tert-butyl peroxide (DTBP) and 2,5-dimethyl-2,5-bis(tert-butyl peroxide) in polypropylene melt-blown special materials
The internal standard method of Method A "Gas Chromatography" in "Determination of Residual Amounts of Hexane (DBPH)", and added Method B "Gas Chromatography"
Chromatography-mass spectrometry" (see Appendix A, Appendix A of the.2014 edition).
Please note that some contents of this document may refer to patents. The issuing agency of this document assumes no responsibility for identifying patents.
This document is proposed by China Petroleum and Chemical Industry Federation.
This document is under the jurisdiction of the National Plastics Standardization Technical Committee (SAC/TC15).
This document is drafted by. Beijing Yanshan Petrochemical High Technology Co., Ltd., Shandong Dawn Polymer Materials Co., Ltd., Hunan
Shengjin New Material Co., Ltd., Guangzhou Institute of Quality Supervision and Testing, Dongying Junfu Purification Technology Co., Ltd., Beijing Easton New Material Development
Co., Ltd., Qingdao Guoen Technology Co., Ltd., Sinopec Beijing Yanshan Branch, Handan Hengyong Protective Cleaning Co., Ltd.
Jing Supplies Co., Ltd., Kingfa Technology Co., Ltd., Jinyang (Xiamen) New Material Technology Co., Ltd., China Petrochemical Corporation
Yanshan Branch of Beijing Beihua Institute, Shandong Tianfeng New Materials Co., Ltd., Hefei Jieshijie New Materials Co., Ltd., Huitong New Materials Co., Ltd.
Co., Ltd., China National Petroleum Corporation Petrochemical Research Institute, Sinopec (Beijing) Chemical Research Institute Co., Ltd., Ningbo Energy
Zhiguang New Material Technology Co., Ltd., Beijing Institute of Science and Technology Analysis and Testing Institute (Beijing Physical and Chemical Analysis and Testing Center), Beijing
Jinghua Plastic Chenguang Technology Co., Ltd., Nanjing Julong Technology Co., Ltd., Hengdian Group Debang Engineering Plastics Co., Ltd., China Stone
Maoming Branch of Oil Chemical Co., Ltd., Chengde Jinjian Testing Instrument Co., Ltd., Weikai Testing Technology Co., Ltd., Chinese Academy of Sciences
Institute of Chemistry, Liaoyang Kangda Plastic Resin Co., Ltd., PetroChina Liaoyang Petrochemical Branch, Nantong Ruicheng Gao
Molecular Materials Co., Ltd., Sinopec Guangzhou Branch, Hebei Jintian Plastic New Material Co., Ltd.
The main drafters of this document. Wang Suyu, Yu Xiaoning, Yuan Wen, He Guoshan, Huang Wensheng, Hu Shengwei, Tian Hongchi, Yin Changping, Li Yan, Yang Hongxi,
Chen Kai, Zheng Huiqin, Zhao Lei, Yang Jie, Xu Zefeng, Cui Xianfeng, Yang Guisheng, Han Chunchun, Zhang Ding, Chen Weili, Xie Xin, Guo Ruohai, Zhang Farao, Hu Guanghui,
Chen Hongyuan, Jiang Dingjun, Ye Jingbiao, Liang Hua, Zhang Xiangling, Chen Li, Qin Yawei, Cao Di, Zhang Yifu, Wang Yi, Chen Si, Zheng Jinbao.
This document was first published in.2014, and this is the first revision.
Plastic polypropylene (PP) meltblown special material
1 Scope
This document specifies the classification and naming, requirements, test methods, inspection rules, marks and accompanying documents of polypropylene (PP) melt blown special materials
and packaging, transportation and storage.
This document is applicable to homopolypropylene as raw material, di-tert-butyl peroxide (DTBP) or 2,5-dimethyl-2,5-di(tert-butyl peroxide)
oxy)hexane (DBPH) as a degradation agent, the granular polypropylene melt-blown special material obtained by degradation;
Powdered polypropylene melt-blown special material prepared by compounding and adding additives.
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 1636 Determination of the apparent density of plastic materials that can flow out of a specified funnel
GB/T 1844.1 Plastic symbols and abbreviations Part 1.Basic polymers and their characteristic properties
GB/T 2035 Plastic terms and their definitions
GB/T 2546.1 Plastics Polypropylene (PP) Molding and Extrusion Materials Part 1.Nomenclature System and Classification Basis
GB/T 2547 plastic sampling method
GB/T 2914 Determination of volatile matter (including water) in plastic vinyl chloride homopolymer and copolymer resin
GB/T 2918 Standard environment for conditioning and testing of plastic specimens
GB/T 3682.1 Determination of melt mass flow rate (MFR) and melt volume flow rate (MVR) of plastic thermoplastics
Part 1.Standard methods
GB/T 8170 Numerical rounding off rules and expression and determination of limit values
GB/T 9345.1 Determination of ash content in plastics - Part 1.General method
GB/T 9348 Determination of the number of impurities and foreign particles in plastic polyvinyl chloride resin
GB 15979 Hygienic Standards for Disposable Sanitary Products
GB/T 24149.2-2017 Polypropylene (PP) special materials for plastic automobiles Part 2.Instrument panels
GB/T 36214.4 Determination of average molecular weight and molecular weight distribution of polymers by size exclusion chromatography on plastics - Part 4.High
warm method
JB/T 5456 Melt flow rate instrument technical specification
SH/T 1541.1 Appearance test methods for plastic granules - Part 1.Visual inspection
3 Terms and Definitions
The terms and definitions defined in GB/T 1844.1, GB/T 2035 and SH/T 1541.1 apply to this document.
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