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GB/T 30924.1-2016 English PDF

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GB/T 30924.1-2016: Plastics -- Ethylene-vinyl acetate (EVAC) moulding and extrusion materials -- Part 1: Designation system and basis for specification
Status: Valid
Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB/T 30924.1-2016199 Add to Cart 3 days Plastics -- Ethylene-vinyl acetate (EVAC) moulding and extrusion materials -- Part 1: Designation system and basis for specification Valid

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Basic data

Standard ID: GB/T 30924.1-2016 (GB/T30924.1-2016)
Description (Translated English): Plastics -- Ethylene-vinyl acetate (EVAC) moulding and extrusion materials -- Part 1: Designation system and basis for specification
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G31
Classification of International Standard: 83.080.20
Word Count Estimation: 10,137
Date of Issue: 2016-10-13
Date of Implementation: 2017-05-01
Regulation (derived from): National Standard Notice No.1716 of 2016
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

GB/T 30924.1-2016: Plastics -- Ethylene-vinyl acetate (EVAC) moulding and extrusion materials -- Part 1: Designation system and basis for specification


---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.
Plastics - Ethylene-vinyl acetate (EVAC) moulding and extrusion materials - Part 1. Designation system and basis for specification ICS 83.080.20 G31 National Standards of People's Republic of China Plastic ethylene - vinyl acetate (EVAC) molding and Extruded materials - Part 1. Naming systems and Classification basis Plastics-Ethylene-vinylacetate (EVAC) moulding and strrusionmaterials- Part 1. Designationsystemandbasisforspecification (ISO 4613-1..1993, MOD) 2016-10-13 released 2017-05-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released

Foreword

GB/T 30924 "plastic ethylene - vinyl acetate (EVAC) molding and extrusion materials" is divided into the following two parts. - Part 1. naming systems and classification basics; Part 2. Sample preparation and performance determination. This part is part 1 of GB/T 30924. This part is drafted in accordance with the rules given in GB/T 1.1-2009. This part uses the re-drafting method using ISO 4613-1..1993 "Plastic Ethylene-Vinyl Acetate (EVAC) Molding and Extrusion Materials Part 1. Naming Systems and Classification Basics "(English version). The main technical differences between this section and ISO 4613-1..1993 are as follows. --- on the normative reference documents, this standard has made a technical differences in the adjustment to meet China's technical conditions, adjust the situation The situation is reflected in Chapter 2, "Normative references", as follows. Comply with ISO 4613.1-2008 equivalent to ISO 4613-1..1993 ISO 1043- 1. 1987; • ISO 1133..1991 is used in place of GB/T 3682-2000 with equivalent international standards ISO 4613-1..1993; Replace ISO 1413-1..1993 ISO 8985. 1989 with GB/T 30925-2014 with international standards; - in the character set 1 refine the vinyl acetate content in the range of 20% to 25% and the code (see Table 2 in Table 1); --- In character group 2, the use of location 1 main application and/or processing method has been added (see 3.3); --- In the character set 2 position 1, change the "wire and cable jacket" to "wire and cable", position 2 ~ 8 increase the letter "X" means " Joint "(3.3 Table 2); --- In the character set 3, the melt mass flow rate is above 50 g/10 min and the code (see 3.4.2 Table 4); - In the character set 4, the footnote b of the table is deleted (see Table 5 in Table 3.5). This part is proposed by China Petroleum & Chemical Corporation. This part is headed by the National Plastics Standardization Technical Committee Petrochemical Resin Products Sub-Technical Committee (SAC/TC15/SC1). This part is responsible for drafting unit. China Petroleum & Chemical Corporation Beijing Yanshan Branch Resin Application Research Institute. This part participates in the drafting unit. China Petrochemical Co., Ltd. Beijing Yanshan Branch Quality Supervision and Inspection Center, Suzhou Henry Letter material Co., Ltd., Yangzi Petrochemical - BASF limited liability company, Beijing Oriental Petrochemical Co., Ltd. organic chemical plant, Beijing China and the United States poly Co., Ltd. This part of the main drafters. Wang Xiaoli, Chen Hong willing, Wang Min, Gao Yan think, Juan, Zhang Xianling, Zhang Yao Yue. Plastic ethylene - vinyl acetate (EVAC) molding and Extruded materials - Part 1. Naming systems and Classification basis

1 Scope

1.1 This part of GB/T 30924 specifies the naming system for ethylene-vinyl acetate (EVAC) thermoplastics materials, For the classification basis. 1.2 Different types of EVAC thermoplastics materials with the following specified characteristic performance values as well as recommended and/or processing methods, Important performance, additives, colorants, fillers and reinforcing materials, etc., to distinguish between a classification system. a) vinyl acetate content; b) melt mass flow rate. 1.3 This part applies to all vinyl acetate in the mass fraction of 3% to 50% (mole fraction of about 25%) of ethylene - vinyl acetate Polymer. This part applies to materials that are conventionally modified in the form of powders, granules or granules, unmodified or modified by colorants, additives, fillers and the like. 1.4 This part does not mean that naming the same material must have the same performance. This part is not provided for the purpose of specifying material for use and (Or) the engineering data, performance data or processing conditions required for the machining method. If necessary, these additional properties can be determined according to the test method specified in Part 2 of ISO / 1.5 To illustrate the particular use of an EVAC thermoplastics material or to ensure reproducibility of processing, it can be found in character set 5 Give additional requirements.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. Plastics symbols and acronyms - Part 1. Base polymers and their characteristic properties (ISO 1043-1. 2001, IDT) GB/T 3682-2000 Thermoplastics Melt Mass Flow rate and melt volume flow rate determination (idtISO 1133. 1997) GB/T 30925-2014 Plastics - Ethylene-vinyl acetate copolymer (EVAC) - Determination of vinyl acetate content in thermoplastics GB/T 30925-2014 (ISO 8985..1998, MOD)

3 naming and classification system

3.1 General The EVAC naming and classification system is based on the following standard models.
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