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UNI ISO 2303 : 2012

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

ISOPRENE RUBBER (IR) - NON-OIL-EXTENDED, SOLUTION-POLYMERIZED TYPES - EVALUATION PROCEDURES
Superseded date

23-05-2022

Published date

01-01-2012

Foreword
1 Scope
2 Normative references
3 Sampling and sample preparation
4 Physical and chemical tests on raw rubber
5 Preparation of the test mixes for evaluation
  of isoprene rubbers
6 Evaluation of vulcanization characteristics
  by a curemeter test
7 Evaluation of tensile stress-strain properties
  of vulcanized test mixes
8 Precision
9 Test report
Annex A (informative) - Precision data for both mill mixer
        and laboratory internal mixer
Annex B (informative) - Additional precision data for
        natural rubber
Bibliography

Describes general-purpose non-oil-extended, solution-polymerized polyisoprene rubbers (IR): - physical and chemical tests on raw rubbers; - standard materials, a standard test formulation, equipment and processing methods for evaluating the vulcanization characteristics.

DevelopmentNote
Supersedes UNI 7536. (04/2007)
DocumentType
Standard
PublisherName
Ente Nazionale Italiano di Unificazione (UNI)
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
ISO 2303:2011 Identical

ISO 248-1:2011 Rubber, raw Determination of volatile-matter content Part 1: Hot-mill method and oven method
ISO 23529:2016 Rubber General procedures for preparing and conditioning test pieces for physical test methods
ISO 11235:2016 Rubber compounding ingredients — Sulfenamide accelerators — Test methods
ISO 1658:2015 Natural rubber (NR) Evaluation procedure
ISO 6502:2016 Rubber Guide to the use of curemeters
ISO 1795:2017 Rubber, raw natural and raw synthetic — Sampling and further preparative procedures
ISO 6472:2017 Rubber compounding ingredients — Abbreviated terms
ISO 289-1:2015 Rubber, unvulcanized Determinations using a shearing-disc viscometer Part 1: Determination of Mooney viscosity
ISO 2393:2014 Rubber test mixes — Preparation, mixing and vulcanization — Equipment and procedures
ISO 37:2017 Rubber, vulcanized or thermoplastic — Determination of tensile stress-strain properties
ISO 247:2006 Rubber Determination of ash
ISO/TR 9272:2005 Rubber and rubber products Determination of precision for test method standards
ISO 3417:2008 Rubber Measurement of vulcanization characteristics with the oscillating disc curemeter

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