UNI ISO 48 : 2011
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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RUBBER, VULCANIZED OR THERMOPLASTIC - DETERMINATION OF HARDNESS (HARDNESS BETWEEN 10 IRHD AND 100 IRHD)
27-09-2022
01-01-2011
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Test pieces
7 Time interval between vulcanization and testing
8 Conditioning of test pieces
9 Temperature of test
10 Procedure
11 Number of readings
12 Expression of results
13 Precision
14 Test report
Annex A (informative) - Empirical relationship between
indentation and hardness
Annex B (informative) - Precision results from interlaboratory
test programmes
Annex C (informative) - Guidance for using precision results
Bibliography
Describes four methods for the determination of the hardness of vulcanized or thermoplastic rubbers on flat surfaces (standard-hardness methods) and four methods for the determination of the apparent hardness of curved surfaces (apparent-hardness methods).
| DevelopmentNote |
Supersedes UNI 7318. (05/2008)
|
| DocumentType |
Standard
|
| PublisherName |
Ente Nazionale Italiano di Unificazione (UNI)
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| ISO 48:2010 | Identical |
| UNI 7140 : 2013 | GAS APPLIANCES FOR DOMESTIC USE - NON-METALLIC FLEXIBLE HOSES FOR GAS APPLIANCES FOR DOMESTIC USE AND SIMILAR |
| UNI 7319 : 2012 | RUBBERS - TESTS OF VULCANIZED RUBBER - DETERMINATION OF INTERNATIONAL RUBBER HARDNESS ON TEST PIECES OF NONSTANDARD THICKNESS |
| ISO 7619-1:2010 | Rubber, vulcanized or thermoplastic Determination of indentation hardness Part 1: Durometer method (Shore hardness) |
| ISO 7267-2:2008 | Rubber-covered rollers Determination of apparent hardness Part 2: Shore-type durometer method |
| ISO 23529:2016 | Rubber General procedures for preparing and conditioning test pieces for physical test methods |
| ISO 7267-3:2017 | Rubber-covered rollers Determination of apparent hardness Part 3: Pusey and Jones method |
| ISO 7619-2:2010 | Rubber, vulcanized or thermoplastic Determination of indentation hardness Part 2: IRHD pocket meter method |
| ISO 7743:2017 | Rubber, vulcanized or thermoplastic Determination of compression stress-strain properties |
| ISO 18898:2016 | Rubber Calibration and verification of hardness testers |
| ISO/TR 9272:2005 | Rubber and rubber products Determination of precision for test method standards |
| ISO 7267-1:2017 | Rubber-covered rollers Determination of apparent hardness Part 1: IRHD method |
| ISO 18517:2015 | Rubber, vulcanized or thermoplastic Hardness testing Introduction and guide |
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