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GB/T 40236-2021 English PDF

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US$259.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 40236-2021: Borosilicate glass tubing
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 40236-2021	259	Add to Cart	3 days	Borosilicate glass tubing	Valid

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Basic data

Standard ID: GB/T 40236-2021 (GB/T40236-2021)
Description (Translated English): Borosilicate glass tubing
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: N64
Word Count Estimation: 14,110
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 40236-2021: Borosilicate glass tubing

---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.
Borosilicate glass tubing ICS 81.040.01 CCSN64 National Standards of People's Republic of China Borosilicate glass pipe Released on 2021-05-21 2021-12-01 implementation State Administration of Market Supervision and Administration 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. This document uses the redrafting method to modify and adopt ISO 4803.1978 "Borosilicate Glass Tube for Laboratory Glassware". Compared with ISO 4803.1978, this document has many adjustments in structure. Appendix A gives the chapters of this document and ISO 4803.1978. Article number comparison list. Compared with ISO 4803.1978, there are technical differences between this document and the corresponding technical differences and A list of the reasons. This document has made the following editorial changes. --- Modify the file name to "Borosilicate Glass Pipeline". 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 the China National Light Industry Council. This document is under the jurisdiction of the National Glass Instrument Standardization Technical Committee (SAC/TC178). Drafting organizations of this document. Shandong Linuo Special Glass Co., Ltd., National Light Industry Glass Product Quality Supervision and Testing Center. The main drafters of this document. Yang Zhongchen, Yuan Chunmei, Zhang Haixiang, Sun Xuelian, Liang Ye, Wang Houting. Borosilicate glass pipe

1 Scope

This document specifies the specifications, dimensions and deviations, technical requirements, test methods, inspection rules, signs, packaging, transportation and storage of borosilicate glass pipes. This document applies to all kinds of glass pipes made of borosilicate glass.

2 Normative references

The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, the dated reference documents, only The version corresponding to this date is applicable to this document; for undated references, the latest version (including all amendments) is applicable to this document. GB/T 2828.1 Sampling inspection procedure by attributes Part 1.Batch inspection sampling plan retrieved by acceptance quality limit (AQL) GB/T 6579 Test method for thermal shock and thermal shock strength of laboratory glassware GB/T 6580 Test method and classification of corrosion resistance of glass with boiling mixed alkali aqueous solution GB/T 6581 Glass is resistant to hydrochloric acid corrosion at 100℃ by flame emission or atomic absorption spectrometry method GB/T 6582 Test method and classification of particles for water resistance of glass at 98℃ GB/T 12416.2 Test method and classification of water resistance of glass particles at 121℃ GB/T 14901 Glass density determination sink-float comparison method GB/T 15726 Internal stress test method for glass instruments GB/T 16920 Determination of average linear thermal expansion coefficient of glass GB/T 28194 Determination of Thermal Expansion Coefficient of Glass Double Line Normal GB/T 29159 Glass tube for all-glass vacuum solar collector tube HG/T 2436 glass tube and pipe fittings pressure test method

3 Terms and definitions

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

4 Specifications and deviations

Specifications, dimensions and deviations should meet the requirements of Table 1.If the customer requires otherwise, the production can be carried out according to the customer's requirements. Table 1 Specifications, dimensions and deviations in millimeters Outer diameter wall thickness length Basic size limit deviation Basic size limit deviation limit deviation Roundness wall thickness skewness straightness/% 18.0 ±0.5 2.5 ±0.2 25.0 ±0.5 2.5 ±0.2 32.0 ±0.8 3.3 ±0.3 45.0 ±1.0 3.5 ±0.3 58.0 ±1.0 4.0 ±0.3 ±20 ≤0.5 ≤0.5 ≤0.8 ≤1.0 ≤1.0 ≤0.3 ≤0.5 ≤0.3 ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 40236-2021_English be delivered?

Answer: Upon your order, we will start to translate GB/T 40236-2021_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 40236-2021_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 40236-2021_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.