GB/T 26752-2020 in English

VALID

PAN-based carbon fibre

Issued on:2020-03-06
Implemented on:2021-02-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $280.00
$272.00

Standard No:	GB/T 26752-2020
Document status:	VALID
Title in English:	PAN-based carbon fibre
Title in Chinese:	聚丙烯腈基碳纤维
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2020-03-06
Implemented on:	2021-02-01
Superseding:	GB/T 26752-2011 PAN-based carbon fibre
Professional Classification:	GB-National Standard
Related Keywords:	pan-based carbon fibre introduction core changes methods appendix b testing qm5535 pay attention grades new high-strength special resin-based composite materials
Related Topics:	Three-strand polypropylene fiber carbon fiber Acrylonitrile Allyl bromide Polyacrylonitrile Allyl bromide standard Allyl bromide standard GB/T 26752-2011 Identification of Carbon Fiber Copper Nitrile Acrylonitrile Formulation carbon fiber product carbon fiber product Acrylonitrile and acetone Nitrile reaction carbon fiber sleeve tetrazole polyacrylonitrile Nitrile reaction Nitrile reaction better carbon fiber GB 26752 Graphene Carbon Fiber Nitrile and Acid Manufacturing Carbon Fiber Sheets Graphene + carbon fiber Nitrile reaction base carbon Super strong graphene carbon fiber carbon based polypropylene Polypropylene sample box Polypropylene sample box crystalline carbon carbon fiber standard Allyl sulfone carbon fiber new carbon fiber carbon fiber micro carbon based carbon fiber carbon carbon Polyacrylonitrile-based carbon fiber polyethylene fiber material Acryl benzene as+ acrylonitrile Solstice Wiki hollow carbon fiber Detection of nitrile groups base carbon Reactive Nitrile Aminonitrile ene dimension Carbon fiber ton hollow carbon fiber Nitrile column Acetone Acrylonitrile six-hole polypropylene Nitrile absorption peak cyanopropyl phenyl Nitrile and Ester polypropylene live Nitrile group crystalline carbon Polypropylene fibrosis Acrylonitrile Pinyin Acrylonitrile-2-d Acrylonitrile Pinyin polyacrylonitrile carbon fiber natural polypropylene Activation of the nitrile group Coal-based carbon carbon carbon carbon spectrum carbon base+ GBT26752 GB/T 26752-2011 GB/T 26752-2020 Polypropylene Fiber Testing carbon fiber Diarylpropionitrile Polypropylene polypropylene box Acrylonitrile physical properties Acrylonitrile storage requirements Structure and morphology of polyacrylonitrile-based carbon fiber strands Liu Guosheng Allyl Cp Allyl Palladium Polypropylene fiber mesh Polyacrylonitrile detection Latest carbon fiber testing carbon fiber group Carbon fiber pole testing Polyethylene fiber industry Carbon fiber board industry Acrylonitrile sampling method Microstructure of polyacrylonitrile-based carbon fiber strands Polyacrylonitrile dye uptake test Polypropylene fiber national standard number Polypropylene fiber moisture content standard Polypropylene fiber testing Carbon fiber industry Polypropylene Technology Polyacrylonitrile based carbon fiber Europe Test methods for polypropylene fibers International polypropylene fiber yarn Polypropylene fiber industry Polyacrylonitrile fiber testing gbt26752 gb/t 26752-2020 gbt26752-2020 Polyethylene anti-crack fiber gb/t 26752 gb26752

《GB/T 26752-2020聚丙烯腈基碳纤维》由TC39（全国纤维增强塑料标准化技术委员会）归口，主管部门为中国建筑材料联合会。

Introduction

Core changes in the standard revision

Technical dimensions	2011 version	2020 version	Main points of change
Classification of sizing agents	3 categories (mainly general type)	6 categories (newly added special type for polyimide)	Adapt to the development needs of special resin-based composite materials
Mechanical properties classification	4 categories and 12 grades	4 categories and 21 grades	New high-strength and high-modulus (QM) series products
Testing Methods	Appendix B Testing Sizing Agents	Citing GB/T29761	In line with international testing methods

Analysis of Key Performance Indicators

Take GQ4522 as an example:

Tensile strength: 4500-5500MPa (increased by 300MPa)
Elastic modulus: 220-260GPa (discrete coefficient ≤3%)
Sizing agent content: classification accuracy increased to 0.5%

Implementation Suggestions

When selecting materials, pay attention to the solvent-process combination code (such as SW means DMSO solvent + wet process)
In the aviation field, it is recommended to use high-strength and high-modulus fibers such as QM5535
Pay attention to temperature and humidity control during storage (23±2℃/50±10%RH is recommended)

More samples: GB 18306-2015 JGJ 94-2008 JC/T 2453-2018

Sample only — not a preview of GB/T 26752-2020

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