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GB/T 45871-2025: Additive manufacturing - Alumina slurry for vat photopolymerization of ceramics
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 45871-2025 | English | 279 |
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Additive manufacturing - Alumina slurry for vat photopolymerization of ceramics
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GB/T 45871-2025
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Basic data
| Standard ID | GB/T 45871-2025 (GB/T45871-2025) |
| Description (Translated English) | Additive manufacturing - Alumina slurry for vat photopolymerization of ceramics |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | Q32 |
| Classification of International Standard | 25.030 |
| Word Count Estimation | 14,134 |
| Date of Issue | 2025-08-01 |
| Date of Implementation | 2026-02-01 |
| Issuing agency(ies) | State Administration for Market Regulation, Standardization Administration of China |
GB/T 45871-2025: Additive manufacturing - Alumina slurry for vat photopolymerization of ceramics
---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/GBT45871-2025
ICS 25.030
CCSQ32
National Standard of the People's Republic of China
Alumina slurry for additive manufacturing of ceramic stereolithography
Released on August 1, 2025
Implementation on February 1, 2026
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Composition and Materials 2
5 Preparation 2
6 Technical Requirements 2
7 Test Method 3
8 Inspection Rules 4
9 Marking, packaging, transportation, storage and accompanying documents 4
Appendix A (Normative) Solid Content Test 6
Appendix B (Normative) Curing Index Test 7
Preface
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed by the China Machinery Industry Federation.
This document was jointly issued by the National Technical Committee on Additive Manufacturing Standardization (SAC/TC562) and the National Technical Committee on Industrial Ceramics Standardization
(SAC/TC194) jointly under the jurisdiction of the Commission.
This document was drafted by. Xi'an National Research Institute of Additive Manufacturing Co., Ltd., China Machinery Productivity Promotion Center Co., Ltd., Shandong Industrial Ceramics Co., Ltd.
Porcelain Research and Design Institute Co., Ltd., Shanghai Shuzao Electromechanical Technology Co., Ltd., Northwestern Polytechnical University, Xi'an Jiaotong University, Xi'an Guohong Tianyi
Intelligent Technology Co., Ltd., Wuhan Intailai Laser Technology Co., Ltd., Qingdao University of Technology, Dongguan Huici Intelligent Printing Technology Co., Ltd.,
Zhejiang Titanium New Materials Co., Ltd., Wuhan Zeqing Technology Co., Ltd., Jiaxing Raoji Technology Co., Ltd., Qinghai Shengnuo Optoelectronics Technology Co., Ltd.
Technology Co., Ltd., Shenzhen Collaborative Innovation High-Tech Development Co., Ltd., Shanghai Liantai Technology Co., Ltd., Jingdezhen Silver Iridium Materials Co., Ltd.
Co., Ltd., Liaoning Light Industry Science Research Institute Co., Ltd., Yangzhou Zhongtianli New Materials Co., Ltd., Shenzhen University, Shenzhen Jinshi 3D Printing
Technology Co., Ltd., Beijing Wanwei Additive Technology Co., Ltd., Shanghai Electric Group Co., Ltd. Central Research Institute, China Machinery Research Institute Standard Technology
Research Institute (Beijing) Co., Ltd., Shenzhen Qiyu Technology Co., Ltd., and Kangshuo (Shanxi) Low Stress Manufacturing System Technology Research Institute Co., Ltd.
The main drafters of this document are. Liu Rongzhen, Li Haibin, Guo Wenhua, Chen Changzhu, Zhao Yi, Lin Xin, Shi Jian, Cai Zhixiang, Lan Hongbo, Chen Hui, Xu Haiman,
Zhu Bing, Li Zhaoqing, Wang Weiqu, Liu Jianghua, Lu Qing, Yu Qingxiao, Li Gang, Xue Jian, Li Xianping, Lu Bingheng, Chen Zhangwei, Wang Di, Sheng Bin, Fan Enxiang,
Zhu Pengfei, Wang Xiang, and Hu Fan.
Alumina slurry for additive manufacturing of ceramic stereolithography
1 Scope
This document specifies the composition and materials, preparation methods, technical requirements, test methods, inspection specifications of alumina slurry for ceramic stereolithography.
as well as marking, packaging, transportation, storage and accompanying documents.
This document applies to the production and inspection of alumina slurries for stereolithography of additively manufactured ceramics.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 6680 General Rules for Sampling of Liquid Chemical Products
GB/T 24487 Alumina
GB/T 35351 Terminology for Additive Manufacturing
GB/T 44149 Fine ceramics - Determination of isoelectric point of ceramic powders - Zeta potential method
GB/T 45765 Test method for thixotropy of fine ceramic slurries - Rotational viscometer method
3 Terms and Definitions
The terms and definitions defined in GB/T 35351 and the following apply to this document.
3.1
Alumina slurry
Alumina powder, photosensitive polymer material, dispersant, photoinitiator and other components determined according to performance are mixed in a certain proportion.
A liquid mixture that is measured and mixed.
3.2
Solid loading
The volume fraction of ceramic powder in ceramic slurry.
3.3
curing specifications
It is used to evaluate and control the curing effect of alumina slurry in the process of ceramic stereolithography, mainly including the curing of alumina slurry by light irradiation.
The curing depth and edge curing error formed after curing.
3.4
Curing depth
The Z-direction cross-sectional height of alumina slurry cured under a certain light irradiation during the ceramic stereolithography process.
3.5
edge curing error
The size and radiation intensity of the cured area outside the light spot outline caused by scattering and refraction of alumina slurry during the process of ceramic stereolithography
The error between the sizes of the photographed areas.
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