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GB/T 23651-2009 PDF English

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GB/T 23651-2009: Rubber, vulcanized or thermoplastic -- Hardness testing -- Introduction and guide
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GB/T 23651-2009English194 Add to Cart 3 days [Need to translate] Rubber, vulcanized or thermoplastic -- Hardness testing -- Introduction and guide

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Basic data

Standard ID GB/T 23651-2009 (GB/T23651-2009)
Description (Translated English) Rubber, vulcanized or thermoplastic -- Hardness testing -- Introduction and guide
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G40
Classification of International Standard 83.060
Word Count Estimation 10,136
Date of Issue 2009-04-24
Date of Implementation 2009-12-01
Adopted Standard ISO 18517-2005, IDT
Regulation (derived from) PRC National Standard Approval Announcement 2009 No.6 (Total No.146)
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the vulcanized rubber or thermoplastic rubber hardness testing guidelines. Hardness is one of the indicators of material properties, the standard is intended to recognize its importance and helps select the appropriate hardness testing methods.

GB/T 23651-2009: Rubber, vulcanized or thermoplastic -- Hardness testing -- Introduction and guide




---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.
Rubber, vulcanized or thermoplastic. Hardness testing. Introduction and guide ICS 83.060 G40 National Standards of People's Republic of China GB/T 23651-2009/ISO 18517.2005 Vulcanized or thermoplastic rubber hardness testing Introduction and Guide (ISO 18517.2005, IDT) Posted 2009-04-24 2009-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard is equivalent to international standards ISO 18517.2005 "vulcanized rubber or thermoplastic rubber hardness testing --- --- Introduction and means South "(in English). This standard is equivalent translation ISO 18517.2005. For ease of use, this standard made the following editorial changes. a) "this International Standard" be replaced by "this standard"; b) Remove the preface international standards; c) use a decimal point instead of a decimal comma ",". ","; d) Increased use Introduction to guide. The standard proposed by China Petroleum and Chemical Industry Association. This standard by the National Standards Commission rubber rubber physical and chemical test methods Technical Committee (SAC/TC35/SC2) centralized. This standard was drafted. Guangdong Institute of Metrology. Drafters of this standard. Chen Minghua, high Charming Tang Chang society. GB/T 23651-2009/ISO 18517.2005

Introduction

This standard vulcanized rubber or thermoplastic rubber hardness testing all aspects of providing general introduction and guide. This standard combines the GB/T 6031 (idtISO 48), GB/T 531.1 (idtISO 7619-1) and GB/T 531.2 (idtISO 7619-2) of ISO 18898 rubber hardness meter calibration and verification

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 Select the appropriate hardness scale, hardness value 0 represents Young's modulus of the material is 0, the hardness value of 100 representatives of the Young's modulus of the material without Infinity. Note. The hardness values \u200b\u200bwithin the normal range, it should meet the following conditions. a) the incremental international rubber hardness is always expressed approximately the same percentage of the increment of the Young's modulus; b) For high elastic rubber, rubber hardness and international Shore A hardness of approximately the same value. 3.2 Standard thickness and having an area larger than the minimum sample size specified edge, operating procedures in accordance with GB/T 6031 provisions obtained GB/T 23651-2009/ISO 18517.2005 ...

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