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GB/T 31959-2015: Determination of thermal oxidative resistance of carbon fiber
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 31959-2015 | English | 129 |
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Determination of thermal oxidative resistance of carbon fiber
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GB/T 31959-2015
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Basic data | Standard ID | GB/T 31959-2015 (GB/T31959-2015) | | Description (Translated English) | Determination of thermal oxidative resistance of carbon fiber | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q36 | | Classification of International Standard | 59.100.20 | | Word Count Estimation | 6,617 | | Date of Issue | 2015-09-11 | | Date of Implementation | 2016-08-01 | | Quoted Standard | GB/T 18374; GB/T 29761 | | Regulation (derived from) | National Standard Announcement 2015 No.25 | | 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 method for the determination of carbon fiber instrument and thermal stability. This Standard applies to the carbon fiber and its products. | GB/T 31959-2015: Determination of thermal oxidative resistance of carbon fiber---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.
(Determination of the thermal stability of carbon fiber)
ICS 59.100.20
Q36
National Standards of People's Republic of China
Determination of the thermal stability of carbon fiber
Issued on. 2015-09-11
2016-08-01 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.
The standard proposed by China Building Materials Federation.
This standard by the National Standardization Technical Committee fiberglass (SAC/TC245) centralized.
This standard was drafted. Nanjing Fiberglass Research and Design Institute Limited, the national glass fiber product quality supervision and inspection center.
The main drafters of this standard. Xu Min, Wang Yumei, Huang Ying, Shi Zhuo.
Determination of the thermal stability of carbon fiber
Warning. This standard is not intended to cover all safety-related content, if any, it is also relevant to its application. Users of this standard
We have the responsibility to establish appropriate safety and health practices and prior to use to determine whether applicable to certain regulations limit entries. Specific hazard information, see
Chapter 6.
1 Scope
This standard specifies the method for the determination of carbon fiber instrument and thermal stability.
This standard applies to the carbon fiber and its products.
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 18374 reinforcing material terms and definitions
Determination of GB/T 29761 Carbon fiber sizing content
3 Terms and Definitions
Terms and definitions GB/T 18374 apply to this document defined.
4 principle of the method
By mass loss rate testing before and after heat treatment of carbon fiber, carbon fiber characterization of thermal stability characteristics.
Test methods Method A. acceleration method, Method B. Slow law.
5. Apparatus
5.1 Balance precision of 0.1mg.
5.2 vacuum oven at 80 ℃ vacuum degree ≤1.3kPa, temperature control accuracy of ± 3 ℃.
5.3 air circulation oven, air exchange rate of 1/min, temperature 25 ℃ ~ 375 ℃, temperature control accuracy of ± 5 ℃.
5.4 borosilicate glass beaker with a capacity of 250mL oven or other specifications and dimensions adapted (each sample a beaker).
5.5 metal lid, cover the beaker during heating to reduce excessive air turbulence.
5.6 borosilicate glass flasks or flasks with a capacity of 250mL or 500mL.
5.7 borosilicate glass condenser with a flask or flasks match.
5.8 stainless steel tweezers for holding the specimen.
5.9 heating plate.
6 Reagents and materials
Methyl ethyl ketone (2-butanone), a purity of 99.5% and a boiling point in the range of 70.0 ℃ ~ 81.0 ℃ or GB/T 29761 other co-given
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