GB/T 39514-2020 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 39514-2020 | English | 260 |
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Terminology, Definition, Identification of Biobased Materials
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GB/T 39514-2020: Terminology, Definition, Identification of Biobased Materials---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT39514-2020
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 83.140
G 33
Terminology, Definition, Identification of Biobased
Materials
Issued on. NOVEMBER 19, 2020
Implemented on. JUNE 1, 2021
Issued by. State Administration for Market Regulation;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword... 3
1 Scope... 4
2 Normative References... 4
3 Terms and Definitions... 4
4 Identification... 13
Appendix A (informative) Classification of Biobased Materials... 17
Bibliography... 18
Indexes of English Terms... 19
Foreword
This Standard was drafted in accordance with the rules in GB/T 1.1-2009.
Please be noted that certain content of this document might involve patents. The
institution issuing this document does not undertake the responsibility of identifying
these patents.
This Standard was proposed by and shall be under the jurisdiction of National
Technical Committee 380 on Biobased Degradable Materials and Products of
Standardization Administration of China (SAC/TC 380).
The drafting organizations of this Standard. Beijing Technology and Business
University; Sichuan University; Tsinghua University; Nanjing Tech University; Zhejiang
Junke New Material Co., Ltd.; Jiangxi Province Pingxiang City Xuan Pin Plastic
Cement Products Co., Ltd.; Shenzhen Hongcai New Material Technology Co., Ltd.;
Wuhan Ecoplast Technologies Inc.
The main drafters of this Standard. Weng Yunxuan, Wang Yuzhong, Guo Baohua, Hu
Jing, Zhu Chenjie, Chen Xiaojie, Wang Peng, Wang Xiuli, Yang Keke, Song Fei, Wu
Gang, Chen Sichong, Chen Xiaojiang, Zhang Xianbing.
Terminology, Definition, Identification of Biobased
Materials
1 Scope
This Standard specifies the terms and definitions, and identification requirements for
biobased materials.
This Standard is applicable to various types of biobased materials as follows, including
biobased chemicals, polymer, plastic, biobased chemical fiber, biobased rubber,
biodegradable painting, biobased material additives, biobased composite and other
various products made from biobased materials.
2 Normative References
The following documents are indispensable to the application of this document. In
terms of references with a specified date, only versions with a specified date are
applicable to this document. In terms of references without a specified date, the latest
version (including all the modifications) is applicable to this document.
GB/T 1844.2 Plastic - Symbols and Abbreviated - Part 2.Fillers and Reinforcing
Materials
GB/T 1844.3 Plastics - Symbols and Abbreviated Terms - Part 3.Plasticizers
ISO 1043-4 Plastics - Symbols and Abbreviated Terms - Part 4.Flame Retardants
3 Terms and Definitions
3.1 Biomass
Biomass refers to various organisms formed through photosynthesis.
NOTE. biomass includes all materials derived from life entities, such as. animals, plants
and microorganisms, etc.
3.2 Bio-carbon
Bio-carbon refers to modern organic carbon element.
3.3 Biomass Content
Biomass content refers to the mass fraction of biomass in sample.
3.4 Renewable Resource
Renewable resource refers to a resource that is replenished by natural processes at a
rate commensurate with its utilization.
3.7 Biobased Content
Biobased content refers to a percentage of the ratio of organic carbon radioactivity per
gram of sample to organic carbon radioactivity per gram of modern carbon reference
material.
3.8 Biocompatibility
Biocompatibility refers to the property of life entity tissues in response to inactive
foreign materials, and the compatibility between materials and the life entity tissues.
3.9 Biobased Material; BBM
Biobased material refers to a material that uses biomass as the raw material or (and)
obtained through biological manufacturing.
3.10 Biobased Chemicals
Biobased chemicals refer to chemicals converted from biomass with the participation
of microorganisms or through biochemical methods.
4 Identification
4.1 Identification Method of Biobased Materials
The identification method of biobased materials is shown in Figure 1.
4.2 Identification Method of Product Texture
4.2.1 General requirements
When product identification is used, it shall be marked on the product or the outer
package in accordance with the stipulations of 4.3.
4.2.2 Single-component product
If the product is made of a single polymer, then, it shall be marked in accordance with
the stipulations of 4.3.See Table 1 for identification examples of some polymers.
4.2.4 Products with additives1)
4.2.4.1 Products with fillers or reinforcing agents
In terms of products with a single filler or a single reinforcing agent, the filler or
reinforcing agent shall be marked together with the polymer.
4.2.4.2 Products with plasticizers
In terms of products with plasticizers, add a hyphen after the abbreviation of polymer.
Then, mark the symbol “P”, followed by the abbreviation of plasticizer specified in GB/T
1844.3 enclosed in parentheses.
4.2.4.3 Products with flame retardants
In terms of products with flame retardants, add a hyphen after the abbreviation of
polymer. Then, mark the symbol “FR”, followed by the digital code of the flame
retardant specified in ISO 1043-4 enclosed in parentheses.
4.3 Production of Identification
The production of identification may adopt molding, printing, embossing, branding or
other clear and indelible marking methods.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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