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JJG 1039-2008 English PDF

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JJG 1039-2008: Verification Regulation of Shore D Durometer
Status: Valid

JJG 1039: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JJG 1039-2008English329 Add to Cart 3 days [Need to translate] Verification Regulation of Shore D Durometer Valid JJG 1039-2008
JJG 1039-1993EnglishRFQ ASK 3 days [Need to translate] Technical Specification of Measurement Assurance Program for Coaxial Power Obsolete JJG 1039-1993

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Basic data

Standard ID JJG 1039-2008 (JJG1039-2008)
Description (Translated English) Verification Regulation of Shore D Durometer
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A53
Classification of International Standard 17.100
Word Count Estimation 14,141
Date of Issue 2008-03-25
Date of Implementation 2008-06-25
Quoted Standard ISO 21509-2006
Regulation (derived from) ?AQSIQ Announcement 2008 No.35;
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine
Summary This standard applies to railroad tanker shipment of liquid products (excluding liquefied gas tankers and rail freight railroad tanker powder) for initial verification and follow-up test.

JJG 1039-2008: Verification Regulation of Shore D Durometer

---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.
Verification Regulation of Shore D Durometer State verification procedures People's Republic of China Shore D hardness ShoreDDurometer Posted 2008-03-28 2008-06-25 implementation The State Administration of Quality Supervision, Inspection and Quarantine released Shore D hardness test procedures ShoreDDurometer The regulations by the State Administration of Quality Supervision, Inspection and Quarantine, 2008 March 25 ratification and From June 25, 2008 into effect. Focal point. the National Technical Committee on Metering hardness force value Drafting. Guangdong Provincial Institute of Metrology This procedure hardness values measured force commissioned by the National Technical Committee is responsible for interpretation The main drafters of this procedure. He Guanglin (Guangdong Institute of Metrology) Wang Ye Bin (Guangdong Institute of Metrology) Chen Minghua (Guangdong Institute of Metrology)

table of Contents

1 Scope (1) 2. Referenced Documents (1) 3 Overview (1) 4 metering performance requirements (1) 4.1 pressure needle projecting length (1) Indicating means measuring 4.2 (1) 4.3 needle pressing durability (2) 4.4 needle pressing surface conditions (2) 4.5 Pressure needle technical indicators (2) 4.6 pressure foot geometry (2) 4.7 Test Force (2) 5 General Requirements (2) 5.1 Appearance (2) 5.2 indicating means (2) 5.3 indenter movement (3) 6 Control of measuring instruments (3) Environmental conditions 6.1 (3) 6.2 test equipment (3) 6.3 Verification Project (3) 6.4 Verification Methods (4) 6.5 test results processing (5) 6.6 test cycle (5) Appendix AD Shore hardness test records (6) Appendix B test certificate page format (8) Appendix C test results in the notice page format (9) Shore D hardness test procedures

1 Scope

The order applies to Shore D hardness initial verification, subsequent verification and in-service inspection.

2 Citations

The regulations cited in the following documents. ISO 21509.2006Plasticandebonite-VerificationofShoredurometers Note that using the currently valid version of the documents cited in the use of this procedure.

3 Overview

Shore D hardness of the main body is applied by the press needle, presser foot, test force, pressure needle projecting length measuring mechanism means Part of the display device and the like. Shore D hardness test is the basic principle of a predetermined shape and hardness indenter, under the test force pushed again Like surface, when the presser foot flat close contact with the surface of the specimen timely, measuring the relative pressure needle pressure foot flat extended length. Shore hardness in value according to formula (1) is calculated. HD = 100- l0.025 (1) Where. HD --- D Shore hardness symbol; l --- pressure needle extension length, mm. Test force and Shore D hardness values should be consistent with the formula (2) the relationship. F = 445HD (2) Where. F --- D Shore hardness test force, mN; Shore D hardness (hereinafter referred to as hardness) is suitable for high hardness of vulcanized rubber and thermoplastic rubber and other materials The hardness measurement is generally believed that, when the Shore A hardness measured value is higher than 90 should be used in Shore D hardness.

4 metering performance requirements

4.1 pressure needle projecting length 4.1.1 Maximum pressure needle projecting length of (2.50 ± 0.04) mm. 4.2 measurement indicating device Pressure needle extending instruction value relationship between the length and hardness shall meet the requirements of Table 1. Table 1 Extending the length of pressure needle hardness indication value (HD) Maximum pressure needle projecting length 0.0 ± 0.5 Pressure needle protruding length is 2.00mm 20.0 ± 1.0 Pressure needle protruding length is 1.25mm 50.0 ± 1.0 Pressure needle projecting length = 0mm 100.0 ± 1.0

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