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JC/T 2268-2023 English PDF

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Q: Should I purchase the latest version JC/T 2268-2023?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JC/T 2268-2023 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$269.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
JC/T 2268-2023: (Method for determination of copper and other elements in brake friction materials)
Status: Valid

JC/T 2268: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JC/T 2268-2023	269	Add to Cart	3 days	(Method for determination of copper and other elements in brake friction materials)	Valid
JC/T 2268-2014	135	Add to Cart	Auto, < 3 mins	Measurement of copper and other elements in brake friction materials	Obsolete

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Basic data

Standard ID: JC/T 2268-2023 (JC/T2268-2023)
Description (Translated English): (Method for determination of copper and other elements in brake friction materials)
Sector / Industry: Building Materials Industry Standard (Recommended)
Classification of International Standard: 43.040.40
Word Count Estimation: 12,130
Date of Issue: 2023-12-20
Date of Implementation: 2024-07-01
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This standard specifies sample preparation and analysis methods for the determination of copper and other elements in brake friction materials. This standard applies to unused brake friction materials.

JC/T 2268-2014 JC BUILDING MATERIAL INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 43.040.40 Q 69 Record No.. 47777-2014 Measurement of Copper and Other Elements in Brake Friction Materials ISSUED ON. OCTOBER 14, 2014 IMPLEMENTED ON. APRIL 1, 2015 Issued by. Ministry of Industry and Information Technology of the People’s Republic of China

Foreword ... 3 1 Scope ... 4 2 Normative References ... 4 3 Sample Preparation ... 4 4 Analytical Method ... 7 Appendix A (Informative) Automobile Brake Evaluation Standard ... 8 Measurement of Copper and Other Elements in Brake Friction Materials

Scope

This Standard specifies methods of sample preparation and analysis for the determination of copper and other elements in brake friction materials. This Standard is applicable to brake friction materials that have not been used.

Normative References

The following documents are indispensable to the application of this Standard. In terms of references with a specified date, only versions with a specified date are applicable to this Standard. The latest version (including all the modifications) of references without a specified date is applicable to this Standard. GB 5085.3-2007 Identification Standards for Hazardous Wastes - Identification for Extraction Toxicity GB/T 15555.1 Solid Waste - Determination of Total Mercury - Cold Atomic Absorption Spectrometry GB/T 15555.4 Solid Waste - Determination of Chromium (VI)-1,5 - Diphenylcarbohydrazide Spectrophotometric Method GB/T 23942 Chemical Reagent - General Rules for Inductively Coupled Plasma Atomic Emission Spectrometry GB/T 23946 Inorganic Chemicals for Industrial Use - General Method for the Determination of Lead Content - Atomic Absorption Spectrometry 3 Sample Preparation 3.1 Sample Acquisition 3.1.1 Use wool-free paper (for example, thin and soft water-absorbing paper) to wipe the whole friction assembly. If necessary, repeatedly wipe it, so as to guarantee that there is absolutely no dust or foreign substance on the assembly. Moreover, use deionized water to rinse the assembly, then, use wool-free paper to absorb water. 3.1.2 Measure the thickness of friction material. If there is no steel-back or hoof-iron,

Appendix A

(Informative) Automobile Brake Evaluation Standard A.1 Type “A” Designated Material “A + production-year” designated material refers to material whose content of heavy metal and asbestos fiber, which is determined in accordance with this Standard, shall be lower than the requirement in Table A.1. A.2 Type “B” Designated Material “B + production-year” designated material refers to material which satisfies the requirement “A”; the copper content, which is determined in accordance with this Standard, shall be lower than 5% of the requirement. Please refer to Table A.1. A.3 Type “N” Designated Material “N + production-year” designated material refers to material which satisfies the requirement “A”; the content of copper and other compounds, which is determined in accordance with this Standard, shall be lower than 0.5% of the requirement. Please refer to Table A.1. Table A.1 -- Content Requirement of Designated Material Example 1. material “A15” refers to the material, which is produced in 2015 and satisfies the requirement of Type “A” designated material. Example 2. material “B16” refers to the material, which is produced in 2016 and satisfies the requirement of Type “B” designated material. Chemical Elements Material “A” Material “B” Material “N” Chromium and Compound/% Hexavalent Chromium Salt/% Lead and Compound/% Mercury and Compound/% Asbestos Fiber/% Copper and Compound/% ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JC/T 2268-2023_English be delivered?

Answer: Upon your order, we will start to translate JC/T 2268-2023_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 JC/T 2268-2023_English with my colleagues?

Answer: Yes. The purchased PDF of JC/T 2268-2023_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.

Question 5: Should I purchase the latest version JC/T 2268-2023?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JC/T 2268-2023 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.