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GB/T 42267-2022 English PDF

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US$114.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 42267-2022: Flexible cellular polymeric materials - Determination of compression set under humid conditions
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 42267-2022	114	Add to Cart	3 days	Flexible cellular polymeric materials - Determination of compression set under humid conditions	Valid

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Basic data

Standard ID: GB/T 42267-2022 (GB/T42267-2022)
Description (Translated English): Flexible cellular polymeric materials - Determination of compression set under humid conditions
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G47
Classification of International Standard: 83.140.99
Word Count Estimation: 6,681
Date of Issue: 2022-12-30
Date of Implementation: 2023-04-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 42267-2022: Flexible cellular polymeric materials - Determination of compression set under humid conditions

---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.
ICS 83.140.99 CCSG47 National Standards of People's Republic of China flexible porous polymer material Determination of compression set under wet conditions (ISO 13362.2000, IDT) Posted on 2022-12-30 2023-04-01 Implementation State Administration for Market Regulation Released 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 for Standardization Documents" drafting. This document is equivalent to ISO 13362.2000 "Determination of compression set of flexible porous polymeric materials under wet conditions". Please note that some contents of this document may refer to patents. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed by China Petroleum and Chemical Industry Federation. This document is sponsored by the National Rubber and Rubber Products Standardization Technical Committee Rubber Miscellaneous Subcommittee (SAC/TC35/SC7) Focus on. This document is drafted by. Shandong Yinuowei Polyurethane Co., Ltd., Wanhua Chemical Group Co., Ltd., Hubei Xiangyuan New Material Branch Technology Co., Ltd., Shaanxi Changmei Technology Co., Ltd., Suzhou Hechuan Chemical Technology Service Co., Ltd. The main drafters of this document. Xu Fengyiru, Liu Zhaoyang, Shen Guoping, Wei Qiong, Hou Donghui, Jing Xinxin, Gai Zhike, Shen Chen, Duan Jianping, Zhang Faming. flexible porous polymer material Determination of compression set under wet conditions WARNING --- Personnel using this document should be familiar with basic laboratory procedures. This document is not intended to address all problems in using There are security concerns. It is the user's responsibility to establish appropriate safety and health regulations and ensure compliance with national regulatory conditions.

1 Scope

This document describes a method for the determination of compression set of flexible porous polymeric materials under wet conditions. In this method, the sample is placed under the conditions of specified time, temperature, humidity and constant compression deformation, and the thickness of the sample after the specified recovery time is measured. degree of change.

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references For documents, 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 6342-1996 Determination of linear dimensions of foamed plastics and rubber (ISO 1923.1981, IDT)

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 compression set The difference between the initial thickness of a porous material sample and the final thickness after being compressed at a specified temperature and time and recovered after a specified time and the initial thickness ratio of thickness.

4 principles

Keep the sample under the specified temperature, relative humidity and constant deformation conditions for a specified time, and measure the thickness change of the sample after recovery.

5 instruments

5.1 Stainless steel compression device It consists of two flat plates whose planar size is larger than that of the sample, a positioning piece and a fixture. The two plates are kept parallel during the test, and the distance between the two plates The distance is adjusted according to the specimen compression requirements. 5.2 Micrometer It should meet the provisions of 3.1 in GB/T 6342-1996. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 42267-2022_English be delivered?

Answer: Upon your order, we will start to translate GB/T 42267-2022_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 42267-2022_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 42267-2022_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.