GB/T 40658-2021 English PDF

US$299.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 40658-2021: Potassium bromide optical elements
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 40658-2021	299	Add to Cart	3 days	Potassium bromide optical elements	Valid

Similar standards

GB/T 903   GB/T 7962.2   GB/T 10586   GB/T 45908   GB/T 44455   

Basic data

Standard ID: GB/T 40658-2021 (GB/T40658-2021)
Description (Translated English): Potassium bromide optical elements
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: N05
Word Count Estimation: 16,187
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 40658-2021: Potassium bromide optical elements

---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.
Potassium bromide optical elements ICS 31.260 CCSN05 National Standards of People's Republic of China Potassium bromide optical element Released on 2021-10-11 2022-05-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying patents. This document was proposed by China Machinery Industry Federation. This document is under the jurisdiction of the National Optical and Photonics Standardization Technical Committee (SAC/TC103). Drafting organizations of this document. Changchun University of Science and Technology, Jilin Jianzhu University, China Ordnance Industry Standardization Institute, Bengbu Product Quality Supervision and Inspection Research Institute, Xiamen Leading Optoelectronics Co., Ltd., Tianjin Tianguang Optical Instrument Co., Ltd., Agri-China Jinghui New Materials Co., Ltd., Shanghai Anpu Experimental Technology Co., Ltd. The main drafters of this document. Li Chun, Li Yongtao, Guo Li, Liu Jinghe, Li Weina, Zhang Xuejian, Gu Yongfa, Wang Jiao, Chen Wulian, Du Mengying, Zeng Fanming. Potassium bromide optical element

1 Scope

This document specifies the technical requirements, test methods, inspection rules, packaging, marking, and transportation of potassium bromide optical components (hereinafter referred to as potassium bromide). Requirements for transportation and storage. This document applies to the manufacture and acceptance of potassium bromide optical components.

2 Normative references

The content of the following documents constitutes an indispensable clause of this document through normative references in the text. Among them, dated quotations Only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to This document. GB/T 1185-2006 Surface defects of optical parts GB/T 2831-2009 surface deviation of optical parts GB/T 7661-2009 Bubble degree of optical parts GB/T 7962.5-2010 Colorless optical glass test method Part 5.Stress birefringence GB/T 32561.1-2016 Infrared optical chalcogenide glass test method Part 1.Uniformity GB/T 32561.2-2016 Test method for infrared optical chalcogenide glass Part 2.Streakness

3 Terms and definitions

There are no terms and definitions that need to be defined in this document.

4 Technical requirements

4.1 Performance 4.1.1 Density The density of potassium bromide is (2.75±0.02) g/cm3. 4.1.2 Crystal orientation The crystal orientation of potassium bromide is < 111>, < 110>, and < 100>. 4.1.3 Vickers hardness The Vickers hardness value along the (100) direction should not be less than 10.56kg/mm2. 4.1.4 Melting point The melting point of potassium bromide is (734±2)°C. ......

Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 40658-2021_English be delivered?

Answer: Upon your order, we will start to translate GB/T 40658-2021_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 40658-2021_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 40658-2021_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.