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GB/T 45908-2025: Sodium chloride optical components
Status: Valid
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| GB/T 45908-2025 | English | 289 |
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Sodium chloride optical components
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GB/T 45908-2025
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PDF similar to GB/T 45908-2025
Basic data | Standard ID | GB/T 45908-2025 (GB/T45908-2025) | | Description (Translated English) | Sodium chloride optical components | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | N05 | | Classification of International Standard | 31.260 | | Word Count Estimation | 14,112 | | Date of Issue | 2025-06-30 | | Date of Implementation | 2026-01-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 45908-2025: Sodium chloride optical components---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/GBT45908-2025
ICS 31.260
CCSN05
National Standard of the People's Republic of China
Sodium chloride optical components
Released on June 30, 2025
Implementation on January 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 Technical Requirements 1
5 Test methods 4
6 Inspection Rules 8
7 Packaging, marking, transportation and storage 10
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 is required.
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 is under the jurisdiction of the National Technical Committee for Standardization of Optics and Photonics (SAC/TC103).
This document was drafted by. Jilin Jianzhu University, Changchun University of Science and Technology, China Ordnance Industry Standardization Institute, Anhui Guangzhi Technology Co., Ltd.
Changchun Baitai Precision Optical Instrument Technology Co., Ltd., Zhejiang Weixing Optics Co., Ltd., Jiangsu Bridgeman Technology Co., Ltd.
Tianjin Botian Shengda Technology Development Co., Ltd., Jilin Province Science and Technology Innovation Research Institute Co., Ltd., Tianjin Tianguang Optical Instrument Co., Ltd.,
Du Guangming Optoelectronics Co., Ltd., Dongguan Yutong Optical Technology Co., Ltd., and Beijing Puxi General Instrument Co., Ltd.
The main drafters of this document are. Li Yongtao, Zhang Xuejian, Zeng Fanming, Zhao Hongkai, Chen Jianhui, Di Juqing, Liang Bingshuang, Shen Chenggang, Li Zhuangbin,
Yang Limin, Yin Shiping, Liu Huisheng, Wu Chuhan, Qi Haina, Gu Yongfa, Li Wenjie, Liu Jinghe, Wang Shanxiansong, Xue Lisha, Meng Yinxia, He Jianwei,
Wang Zhen.
Sodium chloride optical components
1 Scope
This document specifies the technical requirements, inspection rules, packaging, marking, transportation and storage requirements of sodium chloride optical components.
Appropriate test method.
This document applies to the manufacture and inspection of sodium chloride optical components.
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 903 Colorless optical glass
GB/T 1185 Surface defects of optical parts
GB/T 1555 Method for determining crystal orientation of semiconductor single crystals
GB/T 2828.1 Sampling procedures for inspection by attributes Part 1.Sampling plans for batch inspection based on acceptance quality limit (AQL)
GB/T 2831 Surface deviation of optical components
GB/T 7661 Bubble Degree of Optical Components
GB/T 7962.6 Test methods for colorless optical glass Part 6.Young's modulus, shear modulus and Poisson's ratio
GB/T 7962.16 Test methods for colorless optical glass Part 16.Linear expansion coefficient, transition temperature and relaxation temperature
GB/T 19466.4 Plastics Differential Scanning Calorimetry (DSC) Part 4.Determination of specific heat capacity
GB/T 21781 Test method for melting point and melting range of chemicals - Capillary method
GB/T 32561.1 Test methods for infrared optical chalcogenide glasses Part 1.Homogeneity
GB/T 32561.2 Test methods for infrared optical chalcogenide glasses Part 2.Streakiness
GB/T 32561.4 Test methods for infrared optics chalcogenide glasses Part 4.Optical absorption coefficient
GB/T 32642 Measurement method for surface roughness of flat panel display substrate glass
GB/T 34184 Test method for infrared refractive index of infrared optical glass - Deflection angle method
GB/T 36403 Test method for infrared transmittance of infrared optical glass - Fourier transform method
GB/T 42657 Test method for infrared refractive index temperature coefficient of infrared optical glass - Normal incidence method
GB/T 44567 Optical crystals UV grade calcium fluoride crystals
3 Terms and Definitions
There are no terms or definitions that require definition in this document.
4 Technical Requirements
4.1 Density
At 25°C, the density should be (2.16±0.01) g/cm3.
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