GB/T 18374-2022 in English
VALIDTerminology for reinforcements
- Issued on:2022-07-11
- Implemented on:2023-02-01
- File Format:PDF
- Delivery:Via email within 5 business days
Price(USD)：
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| Standard No: | GB/T 18374-2022 |
| Document status: | VALID |
| Title in English: | Terminology for reinforcements |
| Title in Chinese: | 增强材料术语 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 5 business days |
| Issued on: | 2022-07-11 |
| Implemented on: | 2023-02-01 |
| Superseding: |
GB/T 18374-2008 Vocabulary—Terms for reinforcements
|
| ICS Classification: | 59.100.10-Textile glass materials |
| Chinese Classification: | Q36-Glass fibre |
| Professional Classification: | GB-National Standard |
| Related Keywords: | fiber series e glass fiber
r/s glass fiber editionbasic terminology frameworkterms editionstructural adjustment + editorial modificationnew glass fiber specialty fibers fiber |
| Related Topics: | Enhancer
physical enhancement Increased edition Enhanced loop phase point enhancement gb/t18374 GBT18374 GB/T 18374-2001 GB/T 18374-2008 GB/T 18374-2022 Reinforcement material Reinforcement material |
《GB/T 18374-2022增强材料术语》由TC245（全国玻璃纤维标准化技术委员会）归口，主管部门为中国建筑材料联合会。
Introduction
Core changes in the standard revision
| Version | Main technical changes | New content |
|---|---|---|
| 2008 Edition | Basic terminology framework | Terms of carbon fiber and molded plastic products |
| 2022 Edition | Structural adjustment + editorial modification | New glass fiber, ceramic fiber, three-dimensional fabric, etc. |
Reinforced fiber classification system
1. Glass fiber series
- E glass fiber: general electrical insulation type (SiO2-Al2O3-CaO system)
- R/S glass fiber: high strength and high modulus (Al2O3≥20%)
- D glass fiber: low dielectric constant (SiO2-B2O3 system)
2. Specialty fibers
| Fiber type | Typical properties | Application areas |
|---|---|---|
| Silicon carbide fiber | High temperature resistance 1800℃ | Aircraft engine hot end components |
| Ultra-high molecular weight polyethylene fiber | Specific strength>35cN/dtex | Bullet-proof protective equipment |
Key performance characterization indicators
Mechanical properties
- Specific modulus: Ratio of elastic modulus to density (Standard 6.23)
- Drapability test: Evaluation of the bundling of untwisted roving (Standard 6.18)
Processing performance
- Chopability: The ease of cutting fiber bundles (Standard 6.40)
- Permeation rate: resin impregnation time (standard 6.56)
Implementation suggestions
- New basalt fiber products should be classified according to clause 4.1
- Three-dimensional fabric performance testing should be combined with the in-plane permeability index of 6.57
- Electronic-grade fibers must meet the dielectric performance requirements of clause 3.53
Sample only — not a preview of GB/T 18374-2022
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