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GB/T 38273.2-2019 English PDF

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GB/T 38273.2-2019: Plastics -- Thermoplastic polyester/ester and polyether/ester elastomers for moulding and extrusion -- Part 2: Preparation of test specimens and determination of properties
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GB/T 38273.2-2019English439 Add to Cart 5 days [Need to translate] Plastics -- Thermoplastic polyester/ester and polyether/ester elastomers for moulding and extrusion -- Part 2: Preparation of test specimens and determination of properties Valid GB/T 38273.2-2019

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Basic data

Standard ID GB/T 38273.2-2019 (GB/T38273.2-2019)
Description (Translated English) Plastics -- Thermoplastic polyester/ester and polyether/ester elastomers for moulding and extrusion -- Part 2: Preparation of test specimens and determination of properties
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G31
Classification of International Standard 83.080.20
Word Count Estimation 22,262
Date of Issue 2019-12-10
Date of Implementation 2020-11-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 38273.2-2019: Plastics -- Thermoplastic polyester/ester and polyether/ester elastomers for moulding and extrusion -- Part 2: Preparation of test specimens and determination of properties



---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--Thermoplastic polyester/ester and polyether/ester elastomers for moulding and extrusion--Part 2. Preparation of test specimens and determination of properties ICS 83.080.20 G31 National Standards of People's Republic of China Plastic thermoplastic polyester/ester and polyether/ester Molded and extruded elastomers Part 2. Sample preparation and performance determination (ISO .20029-2..2017, MOD) 2019-12-10 release 2020-11-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Foreword

GB/T 38273 "Plastic thermoplastic polyester/ester and polyether/ester molding and extrusion elastomers" is divided into two parts. --- Part 1. The naming system and classification basis; --- Part 2. Sample preparation and performance determination. This part is Part 2 of GB/T 38273. This section was drafted in accordance with the rules given in GB/T 1.1-2009. This part uses the redrafting method to modify the use of ISO .20029-2..2017 "Plastic thermoplastic polyester/ester and polyether/ester molding and extrusion Elastomers. Part 2. Sample preparation and performance determination. " There are technical differences between this part and ISO .20029-2..2017. Appendix A lists this part and ISO .20029-2..2017 A list of technical differences and their causes. The following editorial changes have been made in this section. --- Delete the last paragraph in the range. This part is proposed by the China Petroleum and Chemical Industry Federation. This part is under the jurisdiction of the National Plastic Standardization Technical Committee (SAC/TC15). This section was drafted by. Jinfa Technology Co., Ltd., Wanhua Chemical Group Co., Ltd., Jiangsu Zhongshan Chemical Co., Ltd., Li Ming Chemical Research and Design Institute Co., Ltd., China Blue Chenguang Chemical Research and Design Institute Co., Ltd. The main drafters of this section. Huang Xianbo, Yuan Shaoyan, Yang Li, Wu Yaqing, Zheng Wen, Shi Shuhui, Zhao Wei, Li Guanglei, Wang Jiandong. Plastic thermoplastic polyester/ester and polyether/ester Molded and extruded elastomers Part 2. Sample preparation and performance determination

1 Scope

This part of GB/T 38273 specifies the sample preparation and performance test methods for thermoplastic polyester/ester and polyether/ester molding and extrusion materials Method, as well as the requirements for sample processing, sample conditioning before sample molding, and state adjustment before sample testing. This section specifies the procedures and conditions for the preparation of thermoplastic polyester/ester and polyether/ester molding and extrusion materials and the test materials for these samples Material properties. It also lists the properties and tests required to characterize thermoplastic polyester/ester and polyether/ester molding and extrusion materials method. The performance items are selected from the general test methods in GB/T 19467.1. This section also includes thermoplastic polyester/ester and polyether/ester molding and Some other particularly important or widely used test methods for extruded materials, such as the characteristic properties (hardness, melting, etc.) specified in GB/T 38273.1 Point and tensile/flexural modulus). This section applies to all thermoplastic polyester/ester and polyether/ester elastomers. Also suitable for direct use in powder, granular or flake form Used and modified or unmodified materials by colorants, additives, fillers, etc. In order to obtain comparable and reproducible test results, it is necessary to follow the sample preparation process and state adjustment methods and trials specified in this part. Sample size and test method. Test data using different sample sizes or sample preparation methods may not be consistent.

2 Normative references

The following documents are essential for the application of this document. For dated references, only the dated version applies to this article Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document. GB/T 1033.1 Determination of density of plastic non-foamed plastics Part 1. Dipping method, liquid pycnometer method and titration method (GB/T 1033.1-2008, ISO 1183-1..2004, IDT) GB/T 1033.2 Determination of density of plastic non-foamed plastics Part 2. Density gradient column method (GB/T 1033.2-2010, ISO 1183-2..2004, MOD) GB/T 1033.3 Determination of density of plastic non-foamed plastics Part 3. Gas pycnometer method (GB/T 1033.3-2010, (ISO 1183-3..1999, IDT) GB/T 1034 Determination of water absorption of plastics (GB/T 1034-2008, ISO 62..2008, IDT) GB/T 1040.2 Determination of tensile properties of plastics Part 2. Test conditions for molded and extruded plastics (GB/T 1040.2- 2006, ISO 527-2..1993, IDT) GB/T 1043.1 Determination of impact performance of simply supported plastic beams Part 1. Non-instrumental impact test (GB/T 1043.1- 2008, ISO 179-1..2000, IDT) GB/T 1043.2 Determination of impact performance of simply supported plastic beams Part 2. Instrumented impact test (GB/T 1043.2-2018, (ISO 179-2..1997, IDT) GB/T 1408.1 Test method for electrical strength of insulating materials Part 1. Test at power frequency (GB/T 1408.1-2016, (IEC 60243-1..2013, IDT) GB/T 1409 measures the electrical permittivity and dielectric loss factor of electrical insulating materials at power frequency, audio frequency, and high frequency (including meter wave wavelength)

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